Tag: Breeding programs

May 17, 2026 / Mohammed looti

SELECTIVE REARING

Defining Selective Rearing and its Theoretical Foundation Selective rearing is a specialized developmental and psychological concept that describes the intentional and systematic manipulation of an individual’s environmental conditions to foster specific phenotypic traits, behavioral patterns, or cognitive abilities. Unlike general environmental exposure, which is often passive or haphazard, selective rearing involves a proactive strategy where […]

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April 26, 2026 / Mohammed looti

SELECTION RATIO

Selection ratio is a useful measure of the effectiveness of selection programs designed to improve the quality of a population. It is defined as the ratio of the difference between the average performance of the offspring of the selected individuals and the average performance of the population before selection, divided by the standard deviation of […]

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