期刊文献+

一例后备母猪长期不发情解剖分析

下载PDF
导出
摘要 后备母猪是保证母猪群正常生产的源泉,是一个猪场正常运转的前提,关系到猪场未来的生产效率和经济效益。后备母猪作为猪场最关键的一个环节,其重要性不言而喻.后备母猪不发情这个问题一直困扰着养猪生产者,但影响因素很多,例如:遗传、生理、疾病、人为饲养管理不当等,但针对猪个体不发情的具体原因不容易查明。近日,笔者解剖一头370日龄约克夏品种后备母猪,详尽观察生殖系统,结合此剖检情况对后备母猪不发情原因进行分析和讨论,以期为后备母猪管理提供参考。
出处 《猪业科学》 2015年第12期70-71,共2页 Swine Industry Science
  • 相关文献

参考文献4

二级参考文献14

  • 1Sterning M, Rydhmer L, Eliasson-Selling L. Relationships between age at puberty and interval from weaning to estrus and between estrus signs at puberty and after the first weaning in pigs. Journal of Animal Science, 1998, 76:353-359.
  • 2Rydhmer L, Eliasson-Selling L, Johansson K, Stern S, Andersson K. A genetic study of estrus symptoms at puberty and their relationship to growth and leanness in gilts. Journal of Animal Science, 1994, 72:1964-1970.
  • 3King R H, Thomas P K, Young E. Effect of live weight and body composition of gilts at 24 weeks of age on subsequent reproductive efficiency. Animal Science, 1989, 43: 319-325.
  • 4Tarr'es J, Tibau J, Piedrafita J, F'abrega E, Reixach J. Factors affecting longevity in maternal Duroc swine lines. Livest Science, 2006, 100: 121-131.
  • 5National Research Council. Nutrient Requirement of Swine (10^th ed). Washington D. C. : National Academy Press, 1998.
  • 6Rozeboom D W, Moser R L, Corneliud S G, Pettigrew J E, El Kandelgy S M. Body Composition of Postpubertal Gilts at Nutritionally Induced Anestrus. Journal of Animal Science, 1993, 71: 426-435.
  • 7Orcutt M W, Forrest J C, Judge M D, Schinckel A P, Kuei C H. Practical means for estimating pork carcass composition. Journal of Animal Science, 1990, 68: 3987-3997.
  • 8Kirkwood R N, Aherne F X. Energy intake,body composition and reproductive performance of the gilt. Journal of Animal Science, 1985,6 : 1518-1528.
  • 9Reese D E, Peo Jr E R, Lewis A J. Relationship of lactation energy intake and occurrence of postweaning estrus to body and back fat composition in sow. Journal of Animal Science, 1984,58(5) : 1236-1244.
  • 10Gamba M, Pralong F P. Control of GnRH neuronal activity by metabolic factors: The role of leptin and insulin. Molecular and Cellular Endocrinology, 2006, 133-139.

共引文献31

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部