8+ Weeks: When Can Pullets Go Outside Safely?


8+ Weeks: When Can Pullets Go Outside Safely?

The point at which young female chickens, specifically those under one year old and before they begin laying eggs, are introduced to an outdoor environment is a crucial stage in their development. This transition requires careful consideration of several factors to ensure the birds’ health, safety, and well-being. For example, exposing pullets to the elements too early can lead to increased susceptibility to disease and predation.

Allowing young chickens access to the outdoors offers significant advantages. These include exposure to natural sunlight, which is essential for Vitamin D production and bone development. Outdoor foraging opportunities provide access to insects and vegetation, supplementing their diet and promoting natural behaviors. Historically, free-range systems were the norm, and understanding the principles behind these practices informs modern management strategies for raising healthy and resilient birds.

Determining the optimal timing for this outdoor introduction involves assessing the pullets’ feather development, the prevailing weather conditions, and the availability of secure outdoor spaces. Subsequent sections will delve into these aspects in detail, providing guidelines for a successful transition to an outdoor environment.

1. Feather Development

Feather development serves as a primary indicator of a pullet’s readiness for outdoor exposure. Adequate feather coverage provides insulation against fluctuating temperatures and protection from wind and rain. Premature introduction to outdoor conditions, prior to sufficient feather growth, can result in chilling, increased susceptibility to illness, and potentially, mortality. For instance, newly hatched chicks rely entirely on external heat sources until their down is replaced by juvenile feathers. A pullet undergoing this transition, still possessing bare patches, is not yet equipped to regulate its body temperature in varying weather.

The correlation between feather development and environmental conditions dictates the permissible timeframe for outdoor access. In temperate climates, where daytime temperatures are mild and nighttime temperatures remain above a critical threshold (typically around 60F or 15C), pullets with near-complete feather coverage can gradually be introduced to outdoor areas. Conversely, in cooler climates or during seasons with unpredictable weather, waiting until the pullets are fully feathered, including tail and wing feathers, becomes paramount. Commercial poultry operations often monitor feather score as a component of overall bird welfare assessments, allowing managers to make data-driven decisions about range access.

In summary, feather development is not merely a cosmetic aspect but a crucial determinant of a pullet’s physiological preparedness for outdoor life. A meticulous assessment of feather coverage, coupled with an understanding of the prevailing environmental conditions, informs a judicious decision regarding the appropriate timing for outdoor introduction. Deferring outdoor access until sufficient feather development mitigates risks associated with temperature regulation and enhances the bird’s overall health and survivability during this critical growth stage.

2. Weather Conditions

Prevailing weather conditions represent a primary determinant in assessing the suitability of introducing pullets to an outdoor environment. The timing of this transition necessitates careful evaluation of temperature, precipitation, wind, and sunlight exposure to ensure the birds’ well-being and minimize potential health risks.

  • Temperature Extremes

    Excessive heat or cold pose significant challenges to pullets. Young birds lack the fully developed thermoregulatory systems of mature chickens, rendering them susceptible to hypothermia or hyperthermia. Introducing pullets to outdoor spaces during periods of extreme temperature fluctuations increases the risk of stress, reduced growth rates, and increased susceptibility to disease. Temperature guidelines dictate that daytime temperatures should consistently remain within a comfortable range, typically between 60F and 85F (15C to 29C), before extended outdoor access is permitted.

  • Precipitation and Humidity

    Rain, snow, and high humidity can compromise feather insulation and create conditions conducive to the growth of harmful bacteria and parasites. Wet feathers lose their insulating properties, increasing the risk of chilling, particularly in cooler climates. Damp environments also promote the proliferation of coccidia and other pathogens, increasing the incidence of disease. Consequently, extending outdoor access should be restricted during periods of prolonged rainfall or high humidity. Access to dry, sheltered areas is crucial for birds to escape inclement weather.

  • Wind Exposure

    Strong winds exacerbate the effects of cold temperatures, increasing the risk of hypothermia. Wind can also damage developing feathers and create dust and debris that can irritate the birds’ respiratory systems. Sheltered outdoor areas, protected from prevailing winds, are essential for creating a comfortable and safe environment. Natural windbreaks, such as trees or shrubs, or artificial barriers, such as fences or tarpaulins, can mitigate the impact of wind exposure.

  • Sunlight Intensity

    While sunlight is essential for Vitamin D synthesis and overall health, excessive exposure can lead to heat stress and sunburn, particularly in light-colored breeds. Providing shaded areas within the outdoor run is critical for allowing the birds to regulate their exposure to sunlight. Natural shade, such as trees or shrubs, or artificial shade structures, such as tarps or shade cloth, can offer protection from intense solar radiation. Gradual introduction to sunlight is also beneficial, allowing the birds to acclimate to the increased light intensity.

Therefore, the assessment of prevailing and forecasted weather conditions must be an integral component of the decision-making process regarding outdoor access for pullets. Careful consideration of temperature extremes, precipitation levels, wind exposure, and sunlight intensity allows for the implementation of management strategies that prioritize the birds’ health and well-being, minimizing the risks associated with environmental stressors and maximizing the benefits of outdoor access.

3. Predator Security

The timing of pullet introduction to outdoor environments is inextricably linked to predator security measures. The vulnerability of young chickens to predation necessitates the implementation of robust protective strategies prior to and during outdoor access. Failure to adequately address predator threats can result in significant flock losses, undermining the benefits of outdoor ranging and potentially jeopardizing the entire poultry operation. The age and size of pullets render them particularly susceptible to a wide range of predators, including avian predators (hawks, eagles, owls), terrestrial predators (foxes, coyotes, raccoons, domestic dogs and cats), and even snakes and rodents in some environments. The effectiveness of predator security measures directly impacts the permissible timeframe for outdoor access.

Practical application of predator security involves a multi-faceted approach. Secure fencing, constructed from heavy-gauge wire mesh with buried aprons, prevents digging predators from accessing the enclosure. Overhead netting or fencing deters avian predators. Regular inspection and maintenance of fencing are crucial for identifying and repairing breaches. Livestock guardian animals, such as dogs, llamas, or donkeys, can provide effective protection against terrestrial predators. Motion-activated lights and noise deterrents can discourage nocturnal predators. Removing potential attractants, such as spilled feed or standing water, minimizes the likelihood of predator presence. For instance, a farmer experiencing consistent raccoon predation may install electric fencing around the poultry run, effectively deterring future incursions. Delaying outdoor access until these security measures are demonstrably effective is a prudent risk management strategy.

In summary, predator security represents a non-negotiable prerequisite for introducing pullets to outdoor environments. A proactive and comprehensive approach to predator management, encompassing secure fencing, overhead protection, deterrents, and vigilance, minimizes the risk of predation and allows for a safer and more productive outdoor ranging experience. The inherent challenges associated with predator control necessitate ongoing assessment and adaptation of security measures to effectively safeguard the flock. Neglecting predator security jeopardizes the health and well-being of the pullets and negates the potential benefits of outdoor access.

4. Adequate Shelter

Adequate shelter constitutes a foundational element in determining the appropriate timing for pullet introduction to outdoor environments. Provision of appropriate shelter mitigates risks associated with adverse weather conditions, predator exposure, and social stress, directly impacting the health, welfare, and survivability of young birds. The availability and quality of shelter dictate the permissible duration and frequency of outdoor access.

  • Protection from the Elements

    Shelter provides refuge from rain, wind, and extreme temperatures. Exposure to inclement weather can lead to hypothermia, hyperthermia, and increased susceptibility to disease. A well-designed shelter offers a dry and draft-free environment, enabling pullets to regulate their body temperature and conserve energy. For example, a simple A-frame structure with a solid roof and windbreaks can provide sufficient protection from rain and wind. Without adequate shelter, outdoor access should be limited to short periods during favorable weather conditions.

  • Predator Evasion

    Shelter serves as a refuge from predators. Providing secure and easily accessible hiding places reduces the risk of predation, particularly during the vulnerable transition period to outdoor environments. A covered run, a coop with small entryways, or dense vegetation within the enclosure can offer protection from avian and terrestrial predators. Pullets instinctively seek shelter when threatened; the availability of effective hiding places increases their chances of survival. Postponing outdoor access until adequate predator-resistant shelter is in place is crucial.

  • Social Harmony

    Shelter facilitates social cohesion and reduces stress within the flock. Providing sufficient space within the shelter allows pullets to avoid overcrowding and minimize aggressive interactions. Dominant birds can establish territories, while subordinate birds can retreat to avoid conflict. Overcrowding within the shelter can lead to increased stress levels, feather pecking, and cannibalism. Adequate shelter space promotes social stability and contributes to the overall well-being of the flock. The square footage per bird within the shelter should adhere to established best management practices before outdoor integration.

  • Dust Bathing and Resting

    Shelter provides a designated area for essential behaviors. A dry, sheltered area allows pullets to dust bathe, which is a crucial behavior for maintaining feather hygiene and controlling external parasites. Resting areas within the shelter provide a comfortable and safe place for the birds to sleep and recuperate. A clean, dry litter base within the shelter promotes hygiene and reduces the risk of disease. Ensuring these provisions are met informs decisions regarding the timing of outdoor access.

The provision of adequate shelter is not merely a matter of convenience but a critical element in ensuring the successful integration of pullets into outdoor environments. A well-designed shelter, offering protection from the elements, predator evasion, social harmony, and opportunities for essential behaviors, maximizes the benefits of outdoor ranging while minimizing associated risks. Delaying outdoor access until adequate shelter is in place represents a prudent investment in the health, welfare, and productivity of the flock.

5. Age & Size

The age and size of pullets at the time of planned outdoor introduction are paramount considerations. These factors directly influence the bird’s ability to withstand environmental stressors and evade predators. Younger, smaller pullets possess less developed immune systems, reduced thermoregulatory capabilities, and a heightened vulnerability to predation compared to their older, larger counterparts. Consequently, a premature introduction to outdoor conditions can result in increased morbidity, mortality, and stunted growth. For example, a six-week-old pullet weighing under one pound is far more susceptible to chilling and predation than a twelve-week-old pullet weighing over two pounds. The size of the bird also affects its ability to effectively forage and compete for resources within the outdoor environment.

The practical significance of age and size extends to the selection of appropriate breeds and management practices. Some breeds, known for their rapid growth rates and robust constitutions, may be suitable for earlier outdoor introduction than slower-growing, more delicate breeds. Likewise, management strategies that prioritize optimal nutrition and early health interventions can enhance the pullets’ overall fitness and resilience, potentially accelerating the timeline for outdoor access. For instance, providing a high-protein starter feed and implementing a coccidiosis vaccination program can contribute to faster growth and improved immunity, thereby increasing the likelihood of successful outdoor integration at a younger age. However, artificially accelerating growth without addressing other critical factors, such as feather development and predator security, can be counterproductive.

In summary, age and size serve as critical determinants of a pullet’s readiness for outdoor environments. A careful assessment of these factors, coupled with an understanding of breed-specific characteristics and appropriate management practices, informs a judicious decision regarding the optimal timing for outdoor introduction. Deferring outdoor access until the pullets have reached a sufficient age and size mitigates risks associated with environmental stressors and predation, enhances their overall health and survivability, and maximizes the potential benefits of outdoor ranging. Failure to account for these variables can lead to significant losses and compromise the long-term success of the poultry operation.

6. Health Status

The health status of pullets is a critical factor influencing the decision regarding the timing of their introduction to an outdoor environment. A compromised immune system or underlying health issues can significantly reduce a pullet’s ability to cope with the challenges inherent in outdoor ranging, increasing susceptibility to disease, predation, and environmental stressors. Therefore, a thorough assessment of the flock’s health is essential prior to initiating outdoor access.

  • Parasite Load

    Internal and external parasites, such as worms, coccidia, mites, and lice, can weaken pullets, making them more vulnerable to environmental stressors. A heavy parasite load compromises nutrient absorption, reduces growth rates, and increases susceptibility to secondary infections. Fecal egg counts and physical examinations are necessary to determine the parasite burden. Pullets should be treated for parasites prior to outdoor introduction to ensure they can effectively forage and compete for resources without being further compromised by parasitic infestations. Delaying outdoor access until parasite loads are controlled is crucial.

  • Vaccination Status

    Vaccination against common poultry diseases, such as Marek’s disease, Newcastle disease, infectious bronchitis, and coccidiosis, is essential for protecting pullets from potentially devastating outbreaks. Unvaccinated or inadequately vaccinated pullets are at a significantly higher risk of contracting these diseases, which can lead to high mortality rates and reduced productivity. A comprehensive vaccination program, tailored to the specific disease risks in the region, should be completed prior to outdoor introduction. The presence of wild birds and increased exposure to pathogens in the outdoor environment necessitate a robust immune response.

  • Respiratory Health

    Respiratory diseases, such as infectious bronchitis and mycoplasmosis, can severely compromise a pullet’s ability to thrive in an outdoor environment. Respiratory infections reduce lung capacity, making it difficult for birds to breathe effectively, particularly during periods of high activity or temperature stress. Signs of respiratory illness, such as coughing, sneezing, and nasal discharge, should be addressed prior to outdoor introduction. A healthy respiratory system is critical for maintaining adequate oxygen levels and regulating body temperature. Poor air quality in the coop, often due to inadequate ventilation, can predispose pullets to respiratory infections, highlighting the importance of proper housing management.

  • Leg Strength and Mobility

    Adequate leg strength and mobility are essential for pullets to effectively forage, evade predators, and navigate uneven terrain in an outdoor environment. Leg weakness or lameness can result from nutritional deficiencies, genetic predispositions, or infectious diseases. Pullets with impaired mobility are at a significantly higher risk of predation and may struggle to access food and water. A thorough examination of leg health is necessary prior to outdoor introduction. Pullets should be able to walk, run, and perch comfortably without exhibiting signs of pain or discomfort. Addressing any leg health issues, such as providing appropriate nutrition and treating underlying infections, is crucial for ensuring their well-being in an outdoor setting.

In conclusion, a pullet’s health status directly influences its ability to adapt and thrive in an outdoor environment. Addressing any underlying health issues, ensuring adequate vaccination coverage, and controlling parasite loads are critical steps in preparing pullets for the transition to outdoor ranging. Delaying outdoor access until the flock is demonstrably healthy minimizes the risks associated with environmental stressors and predation, maximizing the potential benefits of outdoor living. Failure to prioritize health considerations can compromise the well-being of the birds and undermine the long-term success of the poultry operation.

7. Acclimation Process

The acclimation process is an indispensable element in the successful transition of pullets to an outdoor environment. Abruptly exposing young birds to drastically different conditions can overwhelm their physiological systems, leading to stress, illness, and mortality. A carefully managed acclimation process mitigates these risks by gradually introducing pullets to the elements, allowing them to adapt and develop the resilience necessary for outdoor survival.

  • Gradual Exposure to Temperature Fluctuations

    Introducing pullets to varying temperatures incrementally allows their thermoregulatory systems to adapt. Beginning with short periods outdoors during mild weather, gradually increasing the duration and expanding the temperature range, enables the birds to develop tolerance to temperature fluctuations. For example, starting with one hour of outdoor access in the mid-morning when the temperature is within 5 degrees Fahrenheit of the coop temperature, and incrementally increasing the duration by 30 minutes each day, provides a controlled acclimation to temperature variations. Conversely, an abrupt transition from a heated brooder to a cold outdoor environment can result in chilling and increased susceptibility to respiratory infections.

  • Introduction to Sunlight Intensity

    Pullets raised indoors may not be accustomed to direct sunlight, which can cause heat stress and sunburn, particularly in light-colored breeds. Acclimation involves gradual exposure to sunlight, allowing the birds to develop tolerance to ultraviolet radiation. Providing shaded areas within the outdoor run is essential, enabling pullets to regulate their exposure. Initial outdoor sessions should occur during periods of low sunlight intensity, such as early morning or late afternoon. Over time, the duration of exposure to direct sunlight can be gradually increased, provided adequate shade is always available. Failure to acclimate to sunlight can lead to dehydration, reduced feed intake, and even mortality.

  • Familiarization with Outdoor Sounds and Sights

    The outdoor environment presents a novel array of sounds and sights that can be initially stressful for pullets. Loud noises, unfamiliar animals, and changes in the landscape can trigger fear responses and disrupt normal behaviors. Acclimation involves gradually exposing the birds to these stimuli, allowing them to habituate to the outdoor environment. Placing the pullets in a secure run adjacent to the coop for short periods, allowing them to observe and listen to the outdoor environment without direct exposure, can facilitate this process. Over time, the duration of outdoor access can be increased, and the birds will gradually become accustomed to the sounds and sights of their new surroundings. An abrupt transition to a noisy or unfamiliar environment can cause stress, reduced feed intake, and increased susceptibility to predation.

  • Introduction to New Forage and Substrates

    The texture and composition of outdoor substrates, such as grass, dirt, and wood chips, differ significantly from the indoor environment. Similarly, pullets may encounter novel forage items, such as insects and vegetation. Acclimation involves gradually introducing the birds to these new substrates and forage opportunities, allowing them to adapt their foraging behaviors and digestive systems. Scattering small amounts of the outdoor substrate inside the coop can help familiarize the pullets with the new textures. Providing access to small amounts of edible vegetation from the outdoor run can encourage foraging behavior. An abrupt transition to a diet consisting solely of outdoor forage can cause digestive upset and nutritional deficiencies. Controlled introductions are key.

In essence, the acclimation process is not merely a precautionary measure but a critical component of responsible poultry management. The pace and duration of acclimation must be tailored to the specific needs of the pullets, taking into account their age, breed, health status, and the prevailing environmental conditions. The “when” pullets can transition outside is fundamentally intertwined with “how” they are prepared for that transition. A well-executed acclimation process enhances the birds’ well-being, reduces the risk of adverse health outcomes, and maximizes the potential benefits of outdoor ranging.

8. Range Space

The availability and quality of range space exert a direct influence on the appropriate timing for introducing pullets to an outdoor environment. Insufficient range space can negate the benefits of outdoor access, leading to overcrowding, increased disease transmission, and heightened levels of stress. The “when” pullets can transition outside is fundamentally contingent on the provision of adequate space to accommodate their natural behaviors and minimize negative social interactions. The provision of adequate range space directly influences the pullets’ ability to express natural foraging behaviors, engage in dust bathing, and establish social hierarchies without undue conflict.

For example, a commercial poultry operation attempting to provide outdoor access to a large flock with only limited range space may experience increased rates of feather pecking and cannibalism due to overcrowding and competition for resources. Conversely, a small-scale farmer providing ample range space, exceeding recommended minimums, may observe healthier, more active birds with reduced incidence of behavioral problems. Recommended range space varies depending on breed, age, and management practices. However, a general guideline is a minimum of 4 square feet per bird, with more space being preferable. Management techniques, such as rotational grazing, which involves dividing the range into smaller paddocks and rotating the birds between them, can improve pasture quality and reduce parasite load, thereby maximizing the benefits of limited range space.

In summation, the determination of “when” pullets can be introduced to outdoor environments is intrinsically linked to the availability and management of range space. Providing adequate space, implementing sound grazing practices, and monitoring bird behavior are essential components of a successful outdoor ranging program. Failure to address the spatial needs of pullets can compromise their health and welfare, negating the potential advantages of outdoor access. Therefore, assessing range space availability and implementing appropriate management strategies is a crucial step in the decision-making process.

Frequently Asked Questions

The following questions address common concerns regarding the introduction of young female chickens (pullets) to outdoor environments. The information provided aims to clarify best practices for ensuring the health and well-being of the birds.

Question 1: At what age can pullets typically be introduced to outdoor spaces?

The optimal age for outdoor introduction is not fixed but dependent on feather development, weather conditions, predator security, and overall health. Generally, pullets with near-complete feather coverage, favorable weather (temperatures consistently above 60F), and a secure outdoor run can be introduced as early as 6-8 weeks. However, delaying introduction until 10-12 weeks may be prudent in less favorable conditions.

Question 2: How critical is complete feather coverage before allowing outdoor access?

Complete feather coverage is highly critical, particularly in cooler climates. Feathers provide essential insulation against temperature fluctuations and protection from wind and rain. Insufficient feather coverage increases the risk of hypothermia and disease. Prior to outdoor access, pullets should possess fully developed feathers, including tail and wing feathers.

Question 3: What constitutes adequate predator protection in an outdoor pullet environment?

Adequate predator protection necessitates a multi-faceted approach. Secure fencing (heavy-gauge wire mesh with buried aprons), overhead netting, livestock guardian animals (where appropriate), and motion-activated deterrents contribute to a safe outdoor environment. Regular inspection and maintenance of fencing are essential. The specific predator threats in the region should inform the choice of protective measures.

Question 4: Is access to shade necessary when pullets are given outdoor access?

Access to shade is essential. Excessive exposure to sunlight can lead to heat stress and sunburn, particularly in light-colored breeds. Shade can be provided through natural means (trees, shrubs) or artificial structures (tarps, shade cloth). Pullets should be able to regulate their exposure to sunlight by seeking shelter as needed.

Question 5: What are the potential consequences of introducing pullets to the outdoors too early?

Premature introduction to the outdoors can result in increased susceptibility to disease (due to chilling or parasite exposure), heightened risk of predation, stunted growth (due to stress and reduced feed intake), and potentially, mortality. The benefits of outdoor access are negated if the birds’ health and well-being are compromised by premature introduction.

Question 6: How does range space impact the success of outdoor pullet management?

Adequate range space is crucial for minimizing stress and promoting natural behaviors. Overcrowding can lead to increased aggression, feather pecking, and disease transmission. A minimum of 4 square feet per bird is recommended, with more space being preferable. Rotational grazing can improve pasture quality and reduce parasite load in limited range areas.

The information provided emphasizes the importance of considering multiple factors before introducing pullets to outdoor environments. Prioritizing the health, safety, and well-being of the birds is paramount for a successful transition.

Subsequent sections will address common challenges associated with outdoor pullet management and strategies for mitigating these risks.

Essential Guidelines for Outdoor Pullet Integration

The following recommendations provide actionable strategies for successfully introducing pullets to outdoor environments, minimizing risks and maximizing the benefits of natural ranging. Adherence to these guidelines contributes to the health, welfare, and productivity of the flock.

Tip 1: Prioritize Feather Development Assessment: Before initiating outdoor access, meticulously evaluate the pullets’ feather coverage. Insufficient feathering, particularly on the back and breast, increases vulnerability to chilling. Delay outdoor access until near-complete feather coverage is achieved.

Tip 2: Monitor Weather Patterns Diligently: Closely observe weather forecasts, considering temperature fluctuations, precipitation, and wind conditions. Avoid introducing pullets to the outdoors during periods of extreme temperatures, heavy rainfall, or high winds. Provide sheltered areas for refuge from inclement weather.

Tip 3: Implement Robust Predator Security Measures: Employ a multi-faceted approach to predator control, including secure fencing (buried to prevent digging), overhead netting, and, where appropriate, livestock guardian animals. Regularly inspect and maintain fencing to identify and repair breaches promptly.

Tip 4: Provide Adequate Shelter and Shade: Ensure the availability of shelter that offers protection from the elements and predators. Natural shade (trees, shrubs) or artificial structures (tarps, shade cloth) are crucial for regulating sun exposure and preventing heat stress.

Tip 5: Evaluate Health Status Proactively: Conduct a thorough health assessment, addressing parasite loads, vaccination status, and respiratory health. Treat any underlying health issues before initiating outdoor access. Healthy birds are better equipped to withstand the challenges of outdoor ranging.

Tip 6: Employ a Gradual Acclimation Process: Introduce pullets to the outdoor environment gradually, starting with short periods during favorable weather conditions and incrementally increasing the duration. This allows the birds to adapt to temperature fluctuations, sunlight intensity, and novel sounds and sights.

Tip 7: Ensure Sufficient Range Space Allocation: Provide adequate range space to minimize overcrowding and promote natural behaviors. A minimum of 4 square feet per bird is recommended, with more space being preferable. Rotate grazing areas to improve pasture quality and reduce parasite load.

Adhering to these guidelines enhances the likelihood of a successful transition to outdoor ranging, resulting in healthier, more productive pullets. Consistent monitoring and adaptation of management practices are essential for maintaining the birds’ well-being.

The subsequent sections will offer insights into troubleshooting common challenges encountered during outdoor pullet management and strategies for optimizing long-term sustainability.

Determining the Appropriate Timing for Outdoor Pullet Introduction

The exploration of “when can pullets go outside” reveals a complex interplay of developmental, environmental, and management factors. Optimal timing transcends simple age-based thresholds, demanding a nuanced assessment of feather development, prevailing weather conditions, predator security, adequate shelter provision, health status, and sufficient range space. Prudent decision-making necessitates a comprehensive understanding of these variables to mitigate risks and maximize the benefits of outdoor access.

A commitment to responsible poultry management requires continuous evaluation and adaptation of strategies to ensure the long-term health and well-being of pullets. Prioritizing the birds’ needs and adhering to best practices remains paramount for sustainable and ethical poultry production.