ANSCI 105: Poultry Housing Design
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Questions and Answers

What is the primary method of heating young chicks in commercial operations?

  • Geothermal heating
  • Forced-air furnaces (correct)
  • Radiant heating (correct)
  • Electric heating pads
  • In medium-scale commercial operations, what is the main source of ventilation for layer and meat houses in developing countries?

  • Natural airflow (correct)
  • Mechanical fans
  • Underground ventilation systems
  • Air conditioning units
  • What type of housing is typically used for laying hens in commercial settings?

  • Plastic igloos with insulation
  • Open fields without shelter
  • Wooden coops with dirt floors
  • Wire cages in open sheds (correct)
  • What is a common practice for housing meat birds in small-scale commercial systems?

    <p>Single-age groups of 50 to 100 (A)</p> Signup and view all the answers

    What type of materials are generally used in constructing small-scale commercial poultry houses?

    <p>Timber or mud bricks and bamboo (A)</p> Signup and view all the answers

    What is the purpose of ventilation management in poultry houses?

    <p>To supply oxygen and remove waste gases (B)</p> Signup and view all the answers

    In small-scale semi-scavenging systems, what type of materials are used for shelters?

    <p>Materials from local trees or shrubs (C)</p> Signup and view all the answers

    What is a common feature of shelters for birds in small-scale commercial systems?

    <p>Rudimentary houses with basic amenities (D)</p> Signup and view all the answers

    What is the primary focus of poultry housing improvements in developing countries?

    <p>Ensuring adequate cooling for birds (B)</p> Signup and view all the answers

    Which type of poultry farming system is the most prevalent in many developing countries?

    <p>Small-scale scavenging system (A)</p> Signup and view all the answers

    What characteristic differentiates large-scale commercial farms from medium- and small-scale farms?

    <p>Presence of vertical integration (C)</p> Signup and view all the answers

    What is one of the benefits of controlled-environment housing for poultry?

    <p>Maintains birds within their thermal comfort zone (A)</p> Signup and view all the answers

    What is a common feature of modern poultry houses in large-scale commercial farms?

    <p>Automatic climate control linked to sensors (C)</p> Signup and view all the answers

    Which of the following is NOT typically provided by companies in integrated commercial poultry arrangements?

    <p>Housing construction (D)</p> Signup and view all the answers

    Why might medium- and small-scale commercial housing be favored in developing countries?

    <p>The simplicity of designs and lower costs (D)</p> Signup and view all the answers

    What is a characteristic feature of commercial houses for laying hens?

    <p>Use of cages in multi-tier systems (D)</p> Signup and view all the answers

    What is the main purpose of directing air from inlets towards the roof when chicks are very young or in colder climates?

    <p>To mix with warm air and circulate throughout the shed (D)</p> Signup and view all the answers

    What characteristic of tunnel ventilation systems makes them particularly effective in hot climates?

    <p>Air is drawn through the length of the house, removing heat, moisture, and dust (B)</p> Signup and view all the answers

    Which method is used to reduce shed temperature in dry climates that involves a fine mist?

    <p>Fogging systems (D)</p> Signup and view all the answers

    What crucial factor must be maintained in evaporative cooling pads to ensure optimum performance?

    <p>Sufficient moisture to maximize evaporation (B)</p> Signup and view all the answers

    What is a common challenge with using too much water in evaporative cooling pads?

    <p>Increased relative humidity and temperatures (B)</p> Signup and view all the answers

    How does natural ventilation typically function in poultry sheds?

    <p>It uses prevailing breezes for air exchange (D)</p> Signup and view all the answers

    What alignment of the poultry shed's long axis is suggested to optimize natural ventilation?

    <p>East to West (D)</p> Signup and view all the answers

    What is the primary goal of poultry management?

    <p>Achieving optimum performance of the birds (D)</p> Signup and view all the answers

    What is essential for good hatchability during artificial incubation?

    <p>Careful management of temperature (C)</p> Signup and view all the answers

    Which factor does NOT contribute to the quality of hatch?

    <p>Age of the poultry house (B)</p> Signup and view all the answers

    Which problem is often encountered in poultry management in developing countries?

    <p>Lack of quality vaccines (A)</p> Signup and view all the answers

    Why are commercial hybrids of high genetic merit challenging to manage in tropical environments?

    <p>They require skilled stockpersons for their management (D)</p> Signup and view all the answers

    How can farmers compensate for undesirable climatic conditions in poultry housing?

    <p>Through manipulation of control systems (D)</p> Signup and view all the answers

    What is a key requirement for birds to maximize profitability?

    <p>Sufficient feed to meet nutritional requirements (B)</p> Signup and view all the answers

    What consequence can excessive heat cause in poultry management?

    <p>Heat stress leading to decreased productivity (B)</p> Signup and view all the answers

    Which method can improve the performance of indigenous poultry in developing countries?

    <p>Providing environmental conditions they thrive in (A)</p> Signup and view all the answers

    What is a key reason for maintaining a stringent quarantine programme in poultry management?

    <p>To prevent the spread of disease. (D)</p> Signup and view all the answers

    Which practice is vital for the management of poultry litter?

    <p>Keeping the litter light and absorbent. (B)</p> Signup and view all the answers

    How do smallholder systems in developing countries typically manage poultry diets?

    <p>By maximizing profitability with local feedstuffs. (A)</p> Signup and view all the answers

    What is an essential practice for maintaining hygiene in poultry operations?

    <p>Regular sanitization of sheds. (D)</p> Signup and view all the answers

    Why is routine vaccination important in larger-scale poultry operations?

    <p>It helps maintain a high flock health status. (C)</p> Signup and view all the answers

    What characteristic is NOT important for the litter material used in poultry management?

    <p>It should be expensive to ensure quality. (D)</p> Signup and view all the answers

    What should farmers ensure about the micro-ingredients used in poultry feed?

    <p>They are stored in a cool and dry place. (A)</p> Signup and view all the answers

    Which of the following is a critical aspect of managing poultry feed after it is provided to the birds?

    <p>All residual feed should be removed promptly. (A)</p> Signup and view all the answers

    What lux level is used during early brooding to stimulate feeding?

    <p>25 lux (D)</p> Signup and view all the answers

    How does increasing day length during the rearing period affect sexual maturity?

    <p>Stimulates the onset of sexual maturity (C)</p> Signup and view all the answers

    What is the preferred day length for delaying the onset of lay in birds?

    <p>12 to 16 hours per day (B)</p> Signup and view all the answers

    Which of the following is critical for optimizing poultry productivity?

    <p>Effective stockpersonship (D)</p> Signup and view all the answers

    What is the primary responsibility of poultry staff regarding flock health?

    <p>Performing routine checks (A)</p> Signup and view all the answers

    What is an important part of a farmer's knowledge base when addressing production issues?

    <p>Identifying the causes of problems (D)</p> Signup and view all the answers

    What should stock attendants be able to identify quickly in the poultry environment?

    <p>Any changes in flock conditions or threats (B)</p> Signup and view all the answers

    Which of the following can discourage egg production in birds?

    <p>Shortening day length (C)</p> Signup and view all the answers

    Flashcards

    Poultry housing in developing countries

    Poultry housing in developing countries focuses on providing environments that meet birds' thermal needs.

    Newly hatched birds

    Require supplemental heating because of poor temperature control ability.

    Large-scale commercial farms

    Expensive to build and operate, but are equipped to control the climate.

    Medium/small-scale commercial housing

    Popular for lower construction and running costs in developing countries.

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    Small-scale scavenging system

    Most common in developing countries, featuring minimal shelter.

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    Commercial chicken meat industry

    Sometimes vertically integrated, with companies owning all stages from breeding to processing.

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    Controlled-environment housing for layers

    Uses multi-tier cage systems to meet the thermal comfort needs of laying hens.

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    Controlled-environment systems

    Provide ideal thermal environments for poultry, leading to better performance.

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    Poultry house ventilation

    The process of supplying oxygen and removing carbon dioxide, other waste gases, and dust from poultry houses.

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    Radiant heating

    A method of providing heat to young chicks using heat radiating from a source.

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    Commercial layer houses (medium scale)

    Medium sized commercial houses that rely on natural airflow for ventilation.

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    Small-scale commercial poultry houses

    Poultry houses constructed typically with local building materials, often having multiple compartments for different stages of the poultry cycle.

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    Small-scale semi-scavenging system

    A system where poultry are housed in shelters made from local materials, allowing for foraging during the day.

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    Forced-air furnaces

    A method of providing heat using circulated air.

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    Ventilation in Poultry Houses

    Provides oxygen and removes waste gases, like carbon dioxide, and dust.

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    Commercial wire cages

    Cages used for keeping laying hens, often in open sheds or with wire sides to restrict other birds.

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    Minimum Ventilation (Cold Climates)

    Lower ventilation levels used in colder climates to retain heat.

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    Tunnel Ventilation

    Ventilation system that uses exhaust fans to draw air through the house, removing heat, moisture, and dust.

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    Evaporative Cooling Pads

    Cooling pads used at ventilation inlets to reduce air temperature by evaporating water, creating a cooling effect.

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    Fogging Systems

    Systems that release a fine mist to cool the house, best utilized in dry climates.

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    Natural Ventilation

    Ventilation relying on natural breezes or wind patterns to provide airflow.

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    Poultry Management Goal

    To create optimal environmental conditions for poultry for enhanced performance and health.

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    Air Direction (Young Chicks)

    Air should be directed towards the roof for mixing with warm air to circulate the entire shed when birds are young or in colder climates.

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    Broody hen hatchability

    Broody hens are naturally successful at hatching chicks under ideal conditions.

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    Artificial incubation success

    Successful artificial hatching relies on precise environmental control (temperature, humidity, ventilation, egg turning).

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    Egg water loss

    Eggs lose water vapor through their shells during incubation, impacted by shell structure and environmental humidity.

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    Poultry health monitoring

    Poultry management includes checking bird health, appropriate housing (brooding, rearing, growing, laying), vaccinations, and nutrition.

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    Commercial hybrid poultry

    High-producing commercial hybrids perform well in ideal conditions, but vulnerable to tropical environments and dietary changes.

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    Indigenous poultry

    Indigenous breeds adapt better to tropical and challenging conditions than commercial hybrids.

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    Environmental extremes

    Heat/cold stress, poor ventilation, and poor air quality impact poultry welfare and performance.

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    Poultry House Design

    Poultry house design needs to accommodate environmental conditions (temperature, ventilation) and ensure the welfare of the birds.

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    Quarantine

    A strict isolation program to prevent disease spread among poultry flocks.

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    Vaccination Program

    A schedule of administering vaccines to protect poultry against specific diseases.

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    Nutrient Requirements

    The specific amounts of essential nutrients, like vitamins and minerals, that poultry need for optimal growth and health.

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    Local Feedstuff

    Using locally available ingredients, such as grains and legumes, to create poultry feed.

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    Micro-Ingredient Storage

    Properly storing small but essential feed components, like vitamins and minerals, to ensure their effectiveness.

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    Sanitation

    Cleaning and disinfecting poultry sheds to prevent the spread of diseases.

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    Litter Management

    Using appropriate bedding materials and maintaining their condition to ensure comfort, hygiene, and disease control.

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    Broiler Litter

    Material used as bedding in poultry houses, absorbing waste and providing a comfortable floor.

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    Light's role in egg production

    Light influences egg production in chickens. Increasing day length promotes sexual maturity and egg laying, while decreasing day length has the opposite effect.

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    Constant day length for rearing

    Maintaining a consistent day length (12-16 hours) during rearing delays sexual maturity, resulting in healthier birds and potentially better egg production.

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    Stockpersonship

    The practice of skilled poultry care that goes beyond basic tasks. It involves understanding bird behavior, recognizing signs of distress, and ensuring optimal welfare.

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    Why is good stockpersonship important?

    Good stockpersonship benefits both the birds and the farmer. It reduces stress, improves health, and maximizes production efficiency.

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    Early laying problems

    Laying eggs too early in a bird's life can increase the risk of reproductive problems.

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    Recognizing changes in the flock

    Stockpersons must be able to quickly identify any changes in the flock or their environment, including physical, chemical, or microbiological threats.

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    The purpose of record keeping

    Record keeping allows farmers to track production, identify and solve problems, and improve future management practices.

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    Preventing problems

    By identifying and addressing problems early, farmers can prevent them from becoming more severe and impacting production.

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    Study Notes

    ANSCI 105: Poultry

    • Course focuses on poultry management, specifically housing and environmental control for optimal bird health and productivity.
    • Learning objectives encompass understanding poultry house design factors (climate, production, flock size), environmental control for bird health/productivity, effective litter management, and automation/technology in commercial operations.

    Lesson 1: Design and Layout of Commercial Poultry Houses

    • Poultry housing improvements in developing countries prioritize environments meeting birds' thermal needs.
    • Newly hatched chicks require supplemental heat due to their poor temperature regulation (particularly in the first few days).
    • Tropical climates often require cooling measures for birds.
    • Large-scale commercial farms utilize climate-controlled structures (litter on floor or cage systems) for enhanced control. These operations are resource-intensive and require high turnover for viability.
    • Medium-scale commercial farms in developing nations primarily rely on natural ventilation.
    • Small-scale commercial (improved genotype stock and supplementary feeding): Structures vary, employing local materials. Structures may have several rooms for chick brooding and hen housing.
    • Small-scale semi-scavenging system: Often utilize basic shelters made from local materials. Household flocks are kept in these shelters.

    Lesson 2: Environmental Systems

    • Ventilation management is critical for all poultry houses. This involves oxygen supply and removal of carbon dioxide, waste gases and dust.
    • Large-scale operations often use negative pressure ventilation systems for air distribution, particularly for young chicks or colder climates.
    • Tunnel ventilation is most effective for large houses in hot weather, drawing air through the house to remove heat, moisture, and dust.
    • Evaporative cooling pads reduce air temperature by 10°C or more, depending on humidity.
    • Fogging systems, best in dry climates, utilize high-pressure nozzles to disperse mist.
    • Natural ventilation is common in smaller farms in areas with suitable climatic conditions.

    Poultry Management

    • Poultry management aims to create optimal conditions for maximum bird performance.
    • Broody hens are often successful at hatching chicks.
    • Artificial incubation success depends on proper management of temperature, humidity, ventilation.
    • Poultry health monitoring, appropriate brooding/rearing/growing/laying conditions, and vaccinations are vital aspects of management.
    • Breed effects are significant: Commercial hybrids thrive in optimal conditions but are less adaptable to tropical settings. Indigenous breeds are more adaptable and respond positively to better management.
    • Temperature effects demand adjustments to ensure appropriate conditions in housing (heat & cold).
    • Effects of nutrition: Diets must meet the nutrient needs of each bird age and breed. Smallholder systems prioritize locally sourced ingredients for profitability in developing countries.
    • Hygiene: Maintaining a clean environment and equipment is crucial for reducing parasites, dust, and microbial contamination.
    • Litter materials & management: Litter absorbs waste, making the floor easier to manage.
    • Management of lighting: Daily and seasonal biological cycles in birds are regulated by light.
    • Lighting programs vary but generally depend on breed, housing type, location and time of year.
    • Stockpersonship: Well-trained and dedicated staff are essential for proper bird care ensuring birds receive proper nutrition, space, and protection to achieve maximum profitability.

    Records

    • Recordkeeping is crucial for problem identification and resolution.
    • This includes monitoring production levels, monitoring birds' growth, feed/egg weights, and treatment application.
    • Observation of and recording of health problems enables detection of health issues early.

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    Description

    This quiz covers the fundamental principles of poultry housing design as taught in ANSCI 105. It includes topics such as environmental control, thermal needs for chicks, and the layout of commercial poultry houses. Test your knowledge on the effective management practices for optimal bird health and productivity.

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