Poultry Breeding and Genetics

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What is the primary factor that led to the significant improvement in egg-laying and body weight of modern chickens?

Genetic mutation and selection (both natural and artificial)

Distinguish between a breed and a variety in chicken classification.

A breed refers to a group of chickens with a distinct body shape or conformation, while a variety is a subgroup within a breed that has a specific plumage color or comb type.

What is the purpose of artificial selection in breeding chickens?

To achieve a specific goal or trait

What is the term for a group of chickens within a variety that has been bred for a specific trait over a period of 5-8 years?

Strain Signup and view all the answers

What are the two main categories of chicken classification based on purpose or place of origin?

Utility and Place of Origin Signup and view all the answers

What is the name of the process by which humans intentionally select for desirable traits in chickens?

Artificial selection Signup and view all the answers

What are the characteristics of healthy pullets to be transferred?

Vigorous and active, bright and alert eyes, prominent red combs and wattles, and developed body with yellow beaks and shanks. Signup and view all the answers

At what age does the development of sexual organs start in egg-laying hens?

After 16 weeks old. Signup and view all the answers

What is the result of early maturity in hens?

Production of too many small eggs, lower egg production rate, high mortality, and higher incidence of prolapse. Signup and view all the answers

What is the primary cause of cannibalism among growers?

Imbalanced ration, overcrowding, and poor management practices. Signup and view all the answers

What is the purpose of revaccination for NCD before transferring pullets?

To protect the birds from Newcastle disease. Signup and view all the answers

What is the age at which hens typically start producing eggs?

22 weeks old. Signup and view all the answers

What is the primary function of a breeder farm in poultry production?

To provide commercial chicks for poultry producers Signup and view all the answers

What is the role of a geneticist in a breeder farm?

Using parent stocks to produce genetically superior birds Signup and view all the answers

What is the limitation of breeder farms in terms of technical and financial capabilities?

They are limited to those who are technically and financially capable Signup and view all the answers

How long are hens typically kept in an egg farm for laying purposes?

One year Signup and view all the answers

What is the primary purpose of a broiler farm in poultry production?

Growing of meat-type chicken in 6-7 weeks of age Signup and view all the answers

What is the most common practice in broiler farming, and what are the responsibilities of the integrator and grower?

Contract growing, where the integrator provides chicks, feeds, and drugs, and the grower provides housing and labor Signup and view all the answers

Poultry Breeding and Genetics

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