Mating Systems and Strategies in Animal Breeding, Quizzes of Agricultural engineering

Download Mating Systems and Strategies in Animal Breeding and more Quizzes Agricultural engineering in PDF only on Docsity! TERM 1 Selection considers DEFINITION 1 -which individuals become parents-how many offspring they produce-how long they remain in the breeding population TERM 2 Mating systems involve which males to mate to which females, this changes: DEFINITION 2 1. average breeding values in a population2. average gene combination values TERM 3 repeated backcrossing/ introgression DEFINITION 3 a mating system used to incorporate an allele or alleles existing in one population into another population. an initial cross is followed by successive generations of backcrossing combined with selection for the desired allele TERM 4 backcrossing DEFINITION 4 the mating of a hybrid to a purebreed of a parent breed/line TERM 5 Mating strategies based on animal perforance DEFINITION 5 -random mating-positive assortative mating-negative assortative mating TERM 6 Random Mating DEFINITION 6 a mating system in which mates are chosen at random TERM 7 Mating system DEFINITION 7 set of rules a breeder uses to make mating decisions TERM 8 Mating strategy DEFINITION 8 general categorization of mating systemsbased on: individual performance, pedigree relationship TERM 9 Assortative mating DEFINITION 9 a system of mating individuals that are either similar or dissimilar in their performance or predicted genetic value- positive: similar- negative: dissimilar TERM 10 Corrective Mating DEFINITION 10 a mating designed to correct in their progeny faults of one of both parents-often use negative assortative mating