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  • Title: [Consequences of abnormalities of chromosome structure in domestic animals].
    Author: Popescu CP.
    Journal: Reprod Nutr Dev; 1990; Suppl 1():105s-116s. PubMed ID: 2206288.
    Abstract:
    Abnormalities in chromosome structure generally have no phenotypic expression but are very often associated with reproductive disorders. In cattle, sheep and goats, the robertsonian translocation seems to be the most frequent abnormality of chromosome structure. In the pig, reciprocal translocations are very common. The accumulation of data on the frequency of such abnormalities and their effects on reproductive performance prompted an evaluation of their economic consequences in cattle and pigs. In cattle, because of the negative effect of 1/29 translocation, an eradication program, based on the removal of carrier bulls from artificial insemination centers was established. In pig, the main effect of the reciprocal translocations was a reduction in the number of offspring, up to 50%, thus representing a considerable economic loss.
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