当前位置: 首页 > 文章 > 二元杂种母猪繁殖性能的研究 四川农业大学学报 1995 (2) 215-217+174
Position: Home > Articles > REPRODUCTIVE PERFORMANCE OF PORCINE FEMALE CROSSBREDS Journal of Sichuan Agricultural University 1995 (2) 215-217+174

二元杂种母猪繁殖性能的研究

作  者:
曾文先;吴德;郑鸿培;乔绍权
单  位:
四川农业大学动物科技学院
关键词:
二元杂种母猪;繁殖性能;猪[49ME]
摘  要:
本文研究19头长梅杂种母猪(长白猪×梅山猪)和18头汉梅杂种母猪(汉普夏猪 ×梅山猪)的繁殖性能。结果表明:长梅和汉梅母猪的发情征兆不及地方猪种 明显.长梅和汉梅母猪发情持续期为4天左右,性欲维持2天左右;初配和第二 胎发情配种,情期受胎率分别为93.2%和97.l%;头胎和第二胎,窝平产仔数 分别为11.9头和14.3头,活产仔数分别为7.6头和13.4头; 40日龄断奶窝重分 别为58.00kg和103.02kg。梅山二元杂种母猪保持了梅山猪的高繁殖力特点.
译  名:
REPRODUCTIVE PERFORMANCE OF PORCINE FEMALE CROSSBREDS
作  者:
Zeng Wenxian et al (College of Animal Science and Technology, Sichuan Agricultural University/Yaan. Sichuan, China 625014)
关键词:
PORCINE CROSSBREDS; REPRODUCTIVE FERFORMANCE; PIGS.
摘  要:
Reproductive performance of 19 landrace X Mei (LM) gilts and sows and 18 Hampshire X Meishan (HM) gilts and sows was studied. The results were as follows: Estrous signs of LM and HM gilts and sows were less obvious than those of the local breeds. The estrus duration of tie LM and un female pigs was about 4 days and their libido lasted about 2 days. The conception rate of the gi its was 91. 2% and the sows 97. 1%. For the gilts and sows, the litter size was 11. 9 and 14. 3 respectively, and the alive piglets per litter at birth,ere 7.6 and 18. 4 respectively, and 40-day weaning weight was 58.00kg and 103. 02kg respectively. The crossbreds were also exceptionally prolificacy as thire female parent-Meishan pigs.

相似文章

计量
文章访问数: 10
HTML全文浏览量: 0
PDF下载量: 0

所属期刊

推荐期刊