光明猪配套系生长发育性能测定

对光明猪配套系的生长发育性能进行了测定,结果表明:光明猪配套系生长发育较缓慢,24、和6月龄的体重、体长、体高和胸围分别为(15.55±1.59)kg、(59.94±2.25)cm、(31.26±0.79)cm和(53.4±1.68)cm;(36.01±4.17)kg、(77.05±5.43)cm、(45.48±3.26)cm和(72.23±5.04)cm;(70.82±4.86)kg、(102.38±6.98)cm、(53.15±2.04)cm和(94.85±4.78)cm。各项生长发育指标远低于长白猪和大白猪,也低于异地光明猪配套系的测定结果。6月龄时背膘厚为(14.87±1.04)mm,臀围为(91.03±3.45)cm,与长白猪和大白猪比较差异显著。在陕西地区,若要利用此品种,应加强饲养管理和加大断奶至4月龄的选择力度,以促进和提高其生长发育性能。

Performance Testing of the Growth and Development of Guangming Pig

The determination of growth and development of Guangming pigs special was done in this study.The result showed that the growth and development of Guangming pigs special was slower than others.The average body weight,body length,body height and chest girth of Guangming pigs special were(15.55±1.59)kg,(59.94±2.25)cm,(31.26±0.79)cm and(53.4±1.68)cm at the age of two months;(36.01±4.17)kg,(77.05±5.43)cm,(45.48±3.26)cm and(72.23±5.04)cm at four months old;(70.82±4.86)kg,(102.38±6.98)cm,(53.15±2.04)cm and(94.85±4.78)cm at age of six months.These growth and development traits were all further lower than those of the Landrace and Large white.The data were also lower than the measurements of Guangming pigs special in other places.The back fat of Guangming pigs special were(14.87±1.04)mm at six months old,and the buttocks were(91.03±3.45)cm.These were significantly different from Landrace and Large White.If we wanted to take advantage of Guangming pigs special in Shaanxi province,the feeding and management work should be strengthened in the future.Moreover,the selection of weaning age with four months old should be stressed to promote and enhance their developmental growth abilities.