Inbreeding and Brood Stock Management, Issue 392
Food & Agriculture Org., 1999 - Fish culture - 122 pages
This manual, written for extension workers, aquaculturists, and those who work with natural resource management programmes, primarily deals with the problems caused by unwanted inbreeding in cultured fish populations and describes management techniques that can be used to prevent or minimize inbreeding. The manual also describes how inbreeding can be used to improve captive populations of fish.
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alleles whose frequencies amount of inbreeding androgenesis androgens aquaculture bottleneck brood stock management Chapter cohort common ancestor covariance covariance table covariance values create crossbreeding determined diploid double first cousin effective breeding number farmer or hatchery farmers and hatchery fecundity Fj hybrids frequencies are 0.01 full-sib gene action gene frequency genetic drift genetic variance genotype grow-out guarantee of keeping gynogenesis haploid hatchery managers hatchery populations heterozygous homozygosity homozygous inbred fish inbred lines inbreeding and genetic inbreeding depression inbreeding from exceeding inbreeding produced increase individual inbreeding values keep inbreeding keeping alleles levels of inbreeding linebreeding MATE TO PRODUCE meiosis meiotic gynogenesis minimize inbreeding mitotic needed number of females number of males occurs parents pedigreed mating polar body population's prevent inbreeding probability of losing produce inbred produce offspring quantitative phenotype recessive alleles select brood fish selective breeding programme sex ratio spawn sperm systems of inbreeding techniques XY sex-determining system zygote