山西省沁源县黑山羊杂交改良技术、推广应用与发展建议

Crossbreeding and Improvement Techniques of Qinyuan County Black Goat in Shanxi Province

四川金堂黑山羊确定为改良本地黑山羊的父本品种,运用的技术模式是一级纯繁、二级扩繁(二元级进杂交技术)、三级杂交利用的生产体系,F3作为生产用的种公羊对本地黑山羊进行生产性能的提高,显著提高了养殖户的养殖效益,并在沁源县及周边县进行推广应用。

Jintang Black Goat of Sichuan province was determined to be the male parent of the improved local Black Goat,and the technical mode used was the production system of first-grade pure reproduction,second-grade expansion(two-grade hybrid technology),and third-grade hybrid utilization,f3 was used as a breeding ram to improve the performance of local black goats,which significantly improved the breeding efficiency of the farmers.F3 was popularized and applied in Qinyuan County and its surrounding counties.