Feline Embryo Transfer during the Non-Breeding Season

Journal of Veterinary Medical Science

Tatsuya HORI²  Toshihiko TSUTSUI²  Masanori KANDA¹  Hideo MATSUNAGA²  Itsushin YAMANE²  Ikuko HATTORI²  Noriko KUROSAWA²  Ikuko MURAO² 

[1] Animal Care Center,Shionogi & Co.,Ltd.,3-1-1 Futaba-cho,Toyonaka,Osaka 561-0825 Japan;Department of Reproduction,Nippon Veterinary and Animal Science University,7-1 Kyonan-cho 1 chome,Musashino-shi,Tokyo 180-8602 Japan

关键词: compacted morula;    embryo transfer;    non-breeding season;    progesterone administration;    queen;   

DOI  :  10.1292/jvms.62.1169

学科分类：兽医学

来源: Japanese Society of Veterinary Science

【 摘 要 】

References(12)Cited-By(8)To obtain normal kits by embryo treansfer(ET)during the non−breeding season, maintenance of pregnancy was carried out by administration of sustained action progesterone(P4)in queens.Embryos were recovered six days after mating from five donor queens in which ovulation was induced by administration of eCG and hCG.The number of embryos recovered ranged from 24 to 53(mean:37.2±6.4)per animal and most embryos were compacted morulae.The yield of embryos was 49.0−93.3%(mean:73.8±9.6%).As for recipients, porcine pituitary gland preparation and hCG were administered to 19 queens and estrus and ovulation were induced in 18 queens(94.7%).These queens underwent intrauterine ET of five compacted morulae and 17 cats(94.4%)were impregnated.The number of implantations was 2−5(mean:3.7±0.3).Among these impregnated queens, 15 cats received P4 adminstration starting on day 24 of gestation and 1−5 newborns(mean:3.4±0.3)were obtained by normal delivery or caesarean section on day 64−69 of gestation.However, two animals that were not treated with P4 underwent spontaneous abortion about the mid gestational period.Therefore, it is possible to obtain normal kits from queens in the non−breeding season by ET with maintenance of pregnancy by P4 administration.

【 授权许可】

Unknown