What is the primary goal of Animal Husbandry?

The primary goal of Animal Husbandry is the scientific management of livestock to improve their productivity and quality, thereby meeting human needs for food, fiber, and other animal products. This involves optimizing feeding, breeding, and disease control practices to ensure sustainable and efficient production, enhance animal welfare, and contribute to the economic well-being of farmers and the nation. Ultimately, it aims to maximize output from domesticated animals while ensuring their health and proper care.

Explain the concept of 'inbreeding depression'.

Inbreeding depression refers to the reduction in fertility and productivity that occurs due to continuous inbreeding, especially for several generations. While inbreeding helps in achieving homozygosity and developing pure lines, it also increases the chances of expressing harmful recessive genes. When these deleterious recessive genes become homozygous, they can lead to reduced vigor, lower reproductive rates, and decreased overall productivity in the offspring, hence the term 'depression'.

How does Artificial Insemination (AI) benefit animal breeding programs?

Artificial Insemination (AI) offers significant benefits to animal breeding programs. Firstly, it allows a single superior male to fertilize a large number of females, even those geographically distant, thus rapidly propagating desirable traits. Secondly, it eliminates the need for maintaining expensive and potentially dangerous breeding males on every farm. Thirdly, it helps in controlling the spread of certain venereal diseases. Lastly, it facilitates the use of semen from deceased or aged superior males, preserving valuable genetic material.

What is 'hybrid vigour' or 'heterosis' in the context of animal breeding?

Hybrid vigour, also known as heterosis, is the phenomenon where the offspring resulting from the cross-breeding of two genetically distinct parents (usually different breeds or lines) exhibit superior qualities compared to both parents. These superior qualities often include increased growth rate, higher productivity (e.g., milk yield, egg production), better disease resistance, and improved fertility. This genetic advantage arises from the masking of undesirable recessive genes by dominant alleles from the other parent and the combination of complementary desirable genes.

What are the key differences between dairy and poultry farm management?

Dairy farm management primarily focuses on maximizing milk production from cattle, buffaloes, and goats. It involves selecting high-yielding breeds, providing balanced feed (roughage and concentrates), ensuring hygienic milking practices, and managing diseases like mastitis. Poultry farm management, on the other hand, concentrates on egg production (layers) and meat production (broilers) from chickens, ducks, and turkeys. It requires specific housing for high bird density, specialized feed formulations, and rigorous vaccination programs to prevent highly contagious diseases common in poultry.

Why is hygiene so important in animal husbandry practices?

Hygiene is paramount in animal husbandry because it directly impacts animal health, productivity, and the safety of animal products. Poor hygiene can lead to the proliferation of pathogens, resulting in outbreaks of infectious diseases that can decimate livestock populations and cause significant economic losses. Furthermore, unhygienic conditions can contaminate milk, eggs, or meat, making them unsafe for human consumption. Regular cleaning of shelters, equipment, and proper waste disposal are crucial for preventing disease transmission and ensuring product quality.

Animal Husbandry

Biology

NEET UG

Version 1Updated 22 Mar 2026

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Animal Husbandry is the scientific management of livestock, which includes various aspects such as feeding, breeding, and disease control. It is a crucial branch of agriculture that deals with the care and management of domestic animals, primarily for the purpose of obtaining products like milk, eggs, meat, wool, and honey, or for their utility as draught animals. The overarching goal is to improv…

Quick Summary

Animal Husbandry is the scientific management of livestock, encompassing feeding, breeding, and disease control, to optimize the production of animal products like milk, eggs, meat, and wool. It's a vital component of agriculture, ensuring food security and rural livelihoods.

Key practices include selecting high-yielding breeds, providing balanced nutrition, and maintaining hygienic living conditions. Breeding strategies range from inbreeding (for pure lines, but risking inbreeding depression) to outbreeding (outcrossing, cross-breeding for hybrid vigour, and interspecific hybridization).

Advanced techniques like Artificial Insemination (AI) and Multiple Ovulation Embryo Transfer (MOET) are employed to accelerate genetic improvement. Effective farm management, including proper housing and stringent disease prevention through vaccination and veterinary care, is crucial for the health and productivity of animals, ensuring sustainable and profitable operations.

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Key Concepts

Inbreeding and Inbreeding Depression

Inbreeding is a breeding strategy where closely related individuals within the same breed are mated for…

Artificial Insemination (AI)

Artificial Insemination (AI) is a revolutionary technique in animal breeding that involves the manual…

Multiple Ovulation Embryo Transfer (MOET)

MOET is an advanced breeding technique designed to rapidly multiply the number of offspring from a 'donor'…

Animal Husbandry: — Scientific management of livestock (feeding, breeding, disease control).

Dairy Farm Mgmt: — High-yielding breeds, balanced feed, hygiene, disease control.

Poultry Farm Mgmt: — Disease-free breeds, proper housing, nutrition, vaccination.

Inbreeding: — Mating closely related individuals (4-6 generations). Increases homozygosity. Risk of Inbreeding Depression (reduced fertility/productivity).

Outcrossing: — Mating unrelated animals within same breed. Overcomes inbreeding depression.

Cross-breeding: — Mating different breeds. Results in Hybrid Vigour (heterosis). Ex: Hisardale (Bikaneri ewe x Merino ram).

Interspecific Hybridization: — Mating different species. Progeny often sterile. Ex: Mule (male donkey x female horse).

Artificial Insemination (AI): — Semen from superior male artificially introduced to female. Rapid genetic improvement, disease control.

MOET (Multiple Ovulation Embryo Transfer): — Donor cow superovulated with FSH (6-8 eggs), fertilized by AI, embryos transferred to surrogates. Rapid multiplication of superior females.

How Interesting Cows Often Mate Artificially!

Hisardale (Cross-breed example)

Inbreeding (Closely related)

Cross-breeding (Different breeds)

Outcrossing (Unrelated, same breed)

MOET (Multiple Ovulation Embryo Transfer)

AI (Artificial Insemination)