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Conducting a field-based progeny testing, especially in smallholder production systems of Asia and Africa, require huge resources both financial and infrastructural - a large AI network, robust and dynamic data collection and analysis system. Usually, the breeding companies conduct progeny testing of their bulls so that they can be commercially ...
G is the progeny of C and F, and C is the biological uncle of F. In this pedigree chart, G is the progeny of C and F, and C is the biological uncle of F. To find the coefficient of inbreeding of G, first locate a loop that leads from G to the common ancestor through one parent and back down to the other parent without going through the same ...
Expected progeny differences (EPD) are an evaluation of an animal’s genetic worth as a parent. They are based on animal models which combine all information known about an individual and its relatives to create a genetic profile of the animal’s merits. These profiles are then compared to other individuals of the same breed.
Animal breeding is a branch of animal science that addresses the evaluation (using best linear unbiased prediction and other methods) of the genetic value (estimated breeding value, EBV) of livestock. Selecting for breeding animals with superior EBV in growth rate, egg, meat, milk, or wool production, or with other desirable traits has ...
Breeding in domestic animals is primarily assortative breeding (see selective breeding). Without the sorting of individuals by trait, a breed could not be established, nor could poor genetic material be removed. Homozygosity is the case where similar or identical alleles combine to express a trait that is not otherwise expressed (recessiveness ...
The term refers to both breeds and strains that are naturally polled through selective breeding and also to naturally horned animals that have been disbudded. [1] Natural polling occurs in cattle , yaks , water buffalo , and goats , and in these animals it affects both sexes equally; in sheep , by contrast, both sexes may be horned, both polled ...
A pedigree chart is a diagram that shows the occurrence of certain traits through different generations of a family, [1] [2] most commonly for humans, show dogs, and race horses. [ citation needed ] Definition
Sexual reproduction between different breeds or individuals, which has the potential to increase genetic diversity by introducing unrelated genetic material into a breeding population. The reproductive event and the resulting progeny may both be referred to as an outcross, and the progeny is said to be outbred. Contrast inbreeding. outgroup