UPSC MainsANI-HUSB-VETER-SCIENCE-PAPER-II202410 Marks150 Words
Q3.

Specific requirements for brooder house of chicken

How to Approach

This question requires a structured response outlining the specific requirements for a brooder house for chickens. The approach should begin by defining a brooder house and its importance. The body will then detail the necessary conditions categorized by environmental factors (temperature, ventilation, lighting, hygiene) and structural aspects (flooring, insulation, space). A concluding statement will summarise the importance of these requirements for chick survival and growth. The answer should be concise and within the word limit.

Model Answer

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Introduction

A brooder house is a specially designed structure providing a controlled environment for newly hatched chicks, crucial for their survival and initial growth. It mimics the warmth and protection offered by a hen, ensuring optimal conditions during the vulnerable early stages. With the increasing demand for poultry products in India, efficient brooder house management is vital for maximizing productivity and minimizing mortality rates. The National Livestock Mission (NLM) under the Department of Animal Husbandry and Dairying emphasizes improved poultry farming practices, highlighting the importance of proper brooder house design.

Key Requirements for a Brooder House

The success of a poultry operation heavily relies on the correct design and management of the brooder house. Below are the key requirements categorized into environmental and structural aspects:

Environmental Requirements

  • Temperature: Chicks require a consistent temperature of 32-35°C during the first week, gradually decreasing by 3-5°C each week until they reach 20-24°C. This is achieved through heating devices like infrared lamps or gas brooders.
  • Ventilation: Adequate ventilation is vital to remove moisture, ammonia, and excess heat while supplying fresh air. However, drafts must be avoided to prevent chilling. A ventilation rate of 1 cubic foot per minute per chick is generally recommended.
  • Lighting: Initially, 24 hours of light is recommended for the first 3 days to encourage feeding and activity. Subsequently, a 14-16 hour light cycle is sufficient. Light intensity of 40-60 lux at chick level is ideal.
  • Humidity: Maintaining a humidity level of 60-70% during the first week is essential for preventing dehydration.

Structural Requirements

  • Flooring: The floor should be smooth, dry, and easily cleanable. Common options include litter (rice husk, wood shavings), concrete, or raised wire mesh. Litter depth of 5-7 cm is recommended.
  • Insulation: Proper insulation helps maintain consistent temperatures and reduces heating costs. Walls and roofs should be insulated to minimize heat loss.
  • Space: Adequate space is crucial for chick comfort and growth. A density of 1 square foot per chick is generally recommended for the first 2 weeks, increasing to 2-3 square feet as they grow.
  • Hygiene: The brooder house should be thoroughly cleaned and disinfected before chick arrival. Regular cleaning and waste removal are essential to prevent disease outbreaks.

Table: Comparison of Flooring Options

Flooring Type Advantages Disadvantages
Litter (Rice Husk/Wood Shavings) Good insulation, absorbs moisture, provides comfort Requires frequent cleaning, potential for ammonia build-up, fire hazard (rice husk)
Concrete Easy to clean, durable Poor insulation, can be cold and uncomfortable for chicks
Raised Wire Mesh Excellent ventilation, easy to clean Poor insulation, can cause foot problems if not properly managed

Case Study: Integrated Poultry Farming in Maharashtra

In Maharashtra, several farmers are adopting integrated poultry farming, where brooder houses are integrated with other agricultural practices. Farmers like Mr. Rajesh Patil have successfully implemented this by using locally sourced materials for brooder construction and adopting energy-efficient heating systems. This resulted in a 15% reduction in chick mortality and a 10% increase in overall productivity.

Conclusion

In conclusion, a well-designed and managed brooder house is paramount for successful poultry rearing. The specific requirements outlined – regarding temperature, ventilation, lighting, flooring, and hygiene – are all critical for ensuring chick survival, promoting healthy growth, and maximizing productivity. Adopting best practices and utilizing available resources, such as those promoted under the National Livestock Mission, can significantly improve poultry farming outcomes and contribute to food security.

Answer Length

This is a comprehensive model answer for learning purposes and may exceed the word limit. In the exam, always adhere to the prescribed word count.

Additional Resources

Key Definitions

Brooder House
A specially designed structure providing a controlled environment for newly hatched chicks, mimicking the warmth and protection of a hen.
Infrared Lamp
A heat source commonly used in brooder houses to provide radiant heat, mimicking the warmth of a hen.

Key Statistics

Chick mortality can be as high as 20-30% in poorly managed brooder houses (Source: Knowledge Cutoff - General Poultry Farming Practices)

Source: General Poultry Farming Practices

The National Livestock Mission aims to increase poultry production by 20% by 2025 (Source: Department of Animal Husbandry and Dairying website - Knowledge Cutoff)

Source: Department of Animal Husbandry and Dairying

Examples

Use of Rice Husk as Litter

Many farmers in Andhra Pradesh utilize rice husk as litter material in brooder houses due to its abundance and insulating properties. However, proper ventilation is crucial to prevent fire hazards.

Vertical Brooder Houses

In urban areas with limited space, vertical brooder houses are gaining popularity, allowing for higher chick density while maintaining proper ventilation and temperature control.

Frequently Asked Questions

What is the ideal temperature for chicks in the brooder house?

The ideal temperature for chicks is 32-35°C during the first week, gradually decreasing by 3-5°C each week.

Why is ventilation important in a brooder house?

Ventilation removes moisture, ammonia, and excess heat while supplying fresh air, preventing disease and ensuring chick comfort.

Topics Covered

Poultry ScienceAnimal HusbandryChick RearingHousingManagement