 A MODEL FOR SUSTAINABLE GENETIC IMPROVEMENT OF BARBADOS BLACKBELLY SHEEP IN THE CARIBBEANR. K. Rastogi No 256633, 38th Annual Meeting, June 30-July 5, 2002, Trois-Ilets, Martinique from Caribbean Food Crops Society Abstract: This paper points out that several breeds of prolific sheep in the world possess a major gene for prolificacy. However, the existence of such a major gene in the prolific breeds of hair sheep in the Caribbean remains to be researched. This paper assumes that this gene (F) exists in the Barbados Blackbelly sheep and goes on to outline a strategy to exploit it for the benefit of the small farmer as well as the large private producer. The strategy aims at developing one type of sheep for the small farmer by selective reduction in the frequency of the F gene thereby reducing the frequency of multiple births. The development of another type of highly prolific sheep is suggested for use by the large producer through selective increase in the frequency of the F gene. Large producer is expected to employ high levels of feeding and management including artificial rearing of lambs so as to minimize mortality of multiplets. The paper further discusses within breed selection for genetic improvement in general fitness of hair sheep. In this connection, the development of an open nucleus flock is suggested involving cooperation among participant smallholders. Keywords: Crop Production/Industries; Production Economics (search for similar items in EconPapers) Downloads: (external link) Related works: Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text Persistent link: https://EconPapers.repec.org/RePEc:ags:cfcs02:256633 Access Statistics for this paper More papers in 38th Annual Meeting, June 30-July 5, 2002, Trois-Ilets, Martinique from Caribbean Food Crops Society |
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