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Chapter 19: Problem 6

What are antibiotic growth promoters (AGP) and list any two AGPS used in animal production.

Short Answer

Expert verified
AGPs are low-dose antibiotics used in animal feed for growth. Examples: tylosin, bacitracin.

Step by step solution

01

Understanding the Concept

Antibiotic growth promoters (AGPs) are antibiotics that are added to the feed of farm animals in a low, sub-therapeutic dose to promote growth and improve feed efficiency. They help in reducing the pathogens in the gut and allow for better nutrient absorption, ultimately leading to faster growth and improved animal productivity.
02

Examples of AGPs

Many different antibiotics have been used as growth promoters in animal husbandry. Two common examples of AGPs used in animal production are tylosin and bacitracin. Tylosin is used primarily in swine and cattle to prevent diseases and promote growth, while bacitracin is commonly used in poultry for similar purposes.

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Animal Nutrition
Animal nutrition is essential for the health and growth of livestock. A well-balanced diet ensures that animals receive the necessary nutrients to thrive. Nutrients can be divided into several categories:
  • Proteins: Crucial for muscle development and repair.
  • Carbohydrates: Main energy source for daily activities.
  • Fats: Provide concentrated energy and aid in nutrient absorption.
  • Vitamins and Minerals: Support various body functions and development.
  • Water: Vital for maintaining body temperature and transporting nutrients.
To enhance animal nutrition, sometimes antibiotics known as antibiotic growth promoters (AGPs) are added to the feed. These substances help destroy harmful bacteria in the gut, allowing for better absorption of nutrients. Consequently, animals grow quicker and healthier due to improved gut health and a boosted digestive system.
Feed Efficiency
Feed efficiency refers to how well animals convert feed into body mass. It is a measure of productivity in livestock operations. Essentially, it can be seen as the balance between the animal's growth and the amount of feed consumed.
A higher feed efficiency means that less feed is needed to gain the same amount of body weight, which is economically beneficial for producers. Factors affecting feed efficiency include:
  • Genetics: Some livestock breeds naturally have better feed conversion rates.
  • Diet: High-quality, nutrient-dense feed improves efficiency.
  • Health: Healthy animals will convert feed into growth more efficiently.
  • Environmental Conditions: Proper housing and temperature regulation can enhance feed efficiency.
Antibiotic growth promoters can also play a role in improving feed efficiency by promoting a healthier gut environment, leading to better nutrient absorption and less wasting of feed.
Animal Husbandry
Animal husbandry is the practice of breeding and caring for farm animals. It focuses on maximizing the health, welfare, and productivity of livestock. Good animal husbandry involves several important practices:
  • Proper Feeding: Ensuring a balanced diet tailored to different life stages and production goals.
  • Health Management: Includes vaccination programs, regular health checks, and biosecurity measures to prevent diseases.
  • Breeding Programs: Selecting and breeding animals with desirable traits to improve future stock.
  • Stress Reduction: Provides appropriate housing and handling to minimize stress on animals.
Incorporating antibiotic growth promoters is one method used in animal husbandry. AGPs help reduce disease outbreaks and enhance growth rates, supporting a high standard of animal care. Effective animal husbandry strategies not only lead to better animal welfare but also improve efficiency and profitability in animal production.

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Most popular questions from this chapter

Differentiate between probiotics and prebiotics.

What are non starch polysaccharides (NSP) and how do they influence monogastric animals' growth and health?
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