›› 2007, Vol. 34 ›› Issue (7): 142-143.

• 动物生产 • Previous Articles     Next Articles

Study on Fertility Performance of Murrah × Local Buffal(F1)

ZHANG Jicai1，WANG Ankui1，FU Meifen1，ZHENG Jinling2，WANG Zhe1，YANG Guorong1
   

  1. 1.Yunan Beef Cattle & Pasture Research Center, Kunming 650212，China；2.Yunan Agriculture Vocational Technique College,Kunming 650212,China
  • Received:1900-01-01 Revised:1900-01-01 Online:2007-07-20 Published:2007-07-20

Abstract: This paper were introduced the study on fertility performance and behave of 37 Murrah cross local buffalo (F1) under 24-hour-grazing system at Xiaoshao, Kunming. The results showed that the first estrus at age of 18 months and live weight (LW) 24 kg; First AI at age 24 m and LW300 kg，Average conception rate (ACR) was 25.3% at first estrus，as the age increase the ACR increase as well. The period of estrus recycle was 20.9±2.7 d,estrus duration was 2.5±1.3 d; gestation were 311.5±11.8 d.

Key words: F1 buffalo; first estrus; fertility behavior; conception rate

CLC Number: