Embryo transfer in disease control

Singh, Elizabeth L.; Thomas, F C; Hare, W.C.D.; Mitchell, David; Eaglesome, M.D.; Randall, G.C.B.; Betteridge, K.; Dulac, G C; Samagh, B. S.; Papp-Vid, G

doi:10.1016/0093-691x(82)90152-2

Cited by 4 publications

(1 citation statement)

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“…Embryo transfer is an established technique for the recovery of embryos stored in frozen embryo banks (Whittingham, 1979) and as a means of disease control (Singh et al, 1980) for the production of animals which are free from some micro-organisms.…”

Section: Introductionmentioning

confidence: 99%

Elimination of Sendai (parainfluenza type 1) virus infection from mice by embryo transfer

Carthew¹,

Wood²,

Kirby³

1983

Reproduction

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Preimplantation embryos collected from mice in the acute phase of Sendai virus infection were not infected. Transfer of embryos from infected donors did not transmit the virus to the recipient foster mothers or to their progeny. The pregnancies were normal with no differences in implantation rate or number of live births when compared with control transfers of embryos collected from non-infected donors.

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Section: Introductionmentioning

confidence: 99%

Elimination of Sendai (parainfluenza type 1) virus infection from mice by embryo transfer

Carthew¹,

Wood²,

Kirby³

1983

Reproduction

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Succesful transfer of frozen N’Dama embryos from the Gambia to Kenya

Jordt

Mahon²,

Touray³

et al. 1986

Trop Anim Health Prod

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Frozen embryos from N'Dama cattle were successfully transferred from The Gambia to Kenya. Of the 26 N'Dama cows used 12 were successfully programmed to superovulate and of these seven produced 30 embryos that were collected seven days after oestrus/service. Five N'Dama bulls were used for natural service. In Kenya 29 embryos were implanted into 29 Boran heifers seven days (+/- 1) after the induction of synchronised oestrus. Eleven pregnancies were established and after one abortion of unknown aetiology at seven and a half months five female and five male calves were born and subsequently reared. During programming the N'Dama cows showed prolonged anoestrus leading to the necessity of oestrus induction using intravaginal progesterone releasing coils; pregnant mare serum gonadotrophin gave better superovulation than follicle stimulating hormone. One N'Dama bull proved to be subfertile. The success of the project has demonstrated the potential of this technique to make disease-free N'Dama available for research purposes and for the promotion of livestock development programmes in tsetse-infested areas using trypanotolerant cattle.

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