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NORMALITIES OF CALVES OBTAINED FROM THE TRANSFERS OF BLASTOCYSTS PRODUCED BY TOTALLY IN-VITRO TECHNIQUE

  • Goto, K. (Laboratory of Animal Reproduction, Department of Animal Science, Faculty of Agriculture, Kagoshima University) ;
  • Kajihara, Y. (Laboratory of Animal Reproduction, Department of Animal Science, Faculty of Agriculture, Kagoshima University) ;
  • Kosaka, S. (Laboratory of Animal Reproduction, Department of Animal Science, Faculty of Agriculture, Kagoshima University) ;
  • Koba, M. (Laboratory of Animal Reproduction, Department of Animal Science, Faculty of Agriculture, Kagoshima University) ;
  • Nakanishi, Y. (Laboratory of Animal Reproduction, Department of Animal Science, Faculty of Agriculture, Kagoshima University) ;
  • Ogawa, K. (Laboratory of Animal Reproduction, Department of Animal Science, Faculty of Agriculture, Kagoshima University) ;
  • Oku, T. (Nagasaki Prefectural Livestock Experimental Station) ;
  • Fujiyama, M. (Nagasaki Prefectural Livestock Experimental Station) ;
  • Yoshida, Y. (Nagasaki Prefectural Livestock Experimental Station)
  • Received : 1989.04.28
  • Accepted : 1989.09.18
  • Published : 1989.12.01

Abstract

Bovine blastocysts were obtained by totally in-vitro technique and then transferred to recipient cows. Total of 15 calves (including 4 premature calves) were obtained from 11 recipients. Four calves were obtained from the transfers of fresh blastocysts and 9 calves were obtained from the transfers of frozen-thawed blastocysts. Two calves were obtained from the bisected fresh blastocyst. The males and 5 females were delivered. Birth weight of calves was within normal range except one female, and all calves appeared to be completely normal.

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Cited by

  1. Analysis of factors involved in the in vitro production of bovine embryos vol.39, pp.1, 1989, https://doi.org/10.1016/0093-691x(93)90023-x