Anatomy and phisiology of livestock.
The exam will consist in two written tests and a final oral exam.
Knowledge of the relevant aspects main points of the genetic improvement for the understanding on the main modern breeding schemes applied to animals of economic interest.
Livestock species. Livestock production: meat and milk production. Reproductive efficiency. Elements of production systems. Elements of quantitative genetics. The traits objective of selection in livestock. Study of monogenic traits and polygenic traits. Single locus model. Infinitesimal model. Heritability, repeatability and genetic correlation. Resemblance between individuals. Elements of Basic Statistics. Linear regression. Crossbreed. Purebred Selection. Breeding scheme. coordination of selection in Italy. Assessment of genetic merit of individuals: breeding values. Example of biotechnology applied to animal breeding.
G. Pagnacco, GENETICA APPLICATA ALLE PRODUZIONI ANIMALI (GENETICS APPLIED TO LIVESTOCK PRODUCTION). Casa Ed. Ambrosiana, Milano, 2004.
G. Bittante, I. Andrighetto, M. Ramazin. FONDAMENTI DI ZOOTENICA. Liviana editrice (ANIMAL SCIENCE).
The tutorials involve the use of software (Excel) for data analysis. Calculation of the genotypic value and dominance effects. Example of breeding values estimation. BAsic statistics