In this lecture I have tried to provide a brief introduction to animal husbandry. Animal breeding involves the selective crossbreeding of domestic animals to produce offspring possessing desirable qualities/characteristics. I have also provided definitions of basic terms used in breeding. These terms are:

Economically important traits
Any trait with surveillance value
Line
A trait is “a distinctive phenotypic characteristic, generally belonging to an individual”
Phenotype
A phenotype is what you observe or measure in the animal for a certain trait.
Selection
Preferential use of animals for reproduction
The process that determines which individuals will become parents of the next generation
Natural selection
Selection that occurs in nature independently of deliberate human control
Artificial selection
Selection under human control
Gamete
Sex cells
Slaughter
Removal of unwanted animals from the herd
Artificial insemination
A reproductive technology in which sperm is collected from males and then used in fresh or frozen form to reproduce females.
Breeding value
An animal's actual genetic potential for a specific trait
Estimated breeding value
Estimated genetic potential of an animal for a certain trait
Phenotypic selection
Selection based solely on an individual's own phenotype
Heritability
The proportion of total phenotypic variation in a population that is due to genetic variation between individuals
Genetic correlation
Measuring the strength of the b/w relationship with the selection values of two characters
Phenotypic correlation
Measuring the strength of the relationship b/w performance of two traits
Repeatability
A measure of the strength of the relationship between repeated records of a trait in a population
Fertility
A woman's ability to conceive
The ability of a male to fertilize
Sire
A general term used to refer to a male relative
Dam
A general term used to refer to a mother
Genealogical data
Information about the genotypes or performance of an animal's ancestors
Descendants data
Information about the genotypes or performance of the animal's offspring
Collateral relatives
Relatives who are neither direct ancestors nor direct descendants of an individual, such as siblings, aunts, uncles, nieces and nephews.
Father Summary
A list of all the useful information about a bull
Coupling
The process that determines which selected males are mated to which selected females
Coupling system
A set of rules for mating
Crossing
Mating of animals of two different breeds (Friesland and Jersey)
Metis
An individual with parents of two different races
Hybrid vigor or heterosis
An increase in performance of crossbreeds/hybrids compared to purebreds due to heterozygosity
Hybrid
Individual born from a cross between two species, breeds or lines
Inbreeding
Mating of closely related individuals
Inbreeding depression
A reduction in the performance of individuals due to homozygosity
Consanguinity
Breeding of unrelated individuals within a breed

00:00 Presentation
0:16 Animal breeding
2:42 Character and phenotype
5:43 Preferential use of animals for reproduction
9:18 Phenotypic selection • Selection based solely on an individual's own phenotype
12:41 Fertility •A woman's ability to conceive •A man's ability to fertilize
2:35 p.m. Mating •The process that determines which selected males are mated with which selected males
16:39 Inbreeding • Mating of closely related individuals

Conferences on breeding and animal genetics
https://youtube.com/playlist?list=PL1ectsXIpOkdTzBfAcgovT8G7UmY935FP

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