REPRODUCTIVE ABILITY OF FEMALE BEAGLES IN RELATION TO ADVANCING AGE

被引:13
作者
Andersen, A. C. [1 ]
机构
[1] Univ Calif Davis, Radiobiol Lab, Davis, CA 95616 USA
关键词
D O I
10.1016/0531-5565(65)90002-1
中图分类号
R592 [老年病学]; C [社会科学总论];
学科分类号
03 ; 0303 ; 100203 ;
摘要
The reproductive capability of female Beagles reached a peak at about three years (1000 days) of age. Thereafter, reproduction waned at the rate of about 5 per cent every 100 days. During full maturity, the net reproductive capacity was 1,2 pups/dam] 100 day breeding period.
引用
收藏
页码:189 / 192
页数:4
相关论文
共 5 条
  • [1] ANDERSEN A C, 1957, J Am Vet Med Assoc, V130, P151
  • [2] ANDERSEN A. C., 1957, P AN CAR PAN, P61
  • [3] ANDERSEN A. C., 1959, ESTRUS CYCLE DOG, V1, P359
  • [4] ANDERSEN AC, 1962, J AM VET MED ASSOC, V141, P1451
  • [5] CUMMINGS J. N., 1954, ANIMAL BREEDING, P313