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by jyoti — last modified Jan 27, 2014 02:39 PM
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To introduce a serum, vaccine, or antigenic substance into the body of a person or animal, to produce or boost immunity to a specific disease.

Infertile egg

An egg that is not fertilized and will therefore not hatch.


Reproduction from the mating of two genetically related parents is referred to as inbreeding. Inbreeding increases the chances of offspring being affected by recessive or deleterious traits, and decreases fitness of a population, which is called inbreeding depression. (Source – Wikipedia)


The offspring of genetically dissimilar parents or stock, especially the offspring produced by breeding plants or animals of different varieties, species, or races.


A young sheep of either sex from about 9 to 18 months of age (until it cuts two teeth).


Heterosis is a term used in genetics and selective breeding. Heterosis or hybrid vigor is the increased function of any biological quality in a hybrid offspring. It is the occurrence of a genetically superior offspring from mixing the genes of its parents.


A female chicken over one year or age.

Hazard Analysis and Critical Control Points (HACCP)

This is a systematic preventive approach to food safety. It is a management system in which food safety is addressed through the analysis and control of biological, chemical, and physical hazards from raw material production, procurement and handling, to manufacturing, distribution and consumption of the finished product.


The percentage of eggs that convert to chicks.


The process by which a chick emerges from an egg. Also used to describe a group of chicks that emerge from their shells at roughly the same time.

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