摘要
1996年观察分析了571只北极狐的配种方式，认为3天配3次、4天配4次的连续配种方式为适宜（最佳）配种方式。它不仅使产仔率提高到92．04～93．33％，使群平均产仔数提高到10．423～11．692只；而且也使胎平均产仔数提高到11．55～12．667只。
The article indicated that 571 arctiv foxes wieie observed and unalysed in 1996. We consides that breeding for 3 tinces in continuous 3 days, or breeding for 4 times in continuous 4 dans ane the kdct way ofr aictic fox's breeding. It not only coued inyoue the farrowing rate by 90. 24%-93. 33%. and inmpiove the farrouing of evevy group to 10. 423-11. 692, but oeto coued improve the fallouing of evevy foetus to 11. 55-12. 667.
出处
《特产研究》
1997年第2期8-9,15,共3页
Special Wild Economic Animal and Plant Research
