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Publication type: Journal Article
Document type: Full Paper

Year: 2006

Author(s): Vainas, E; Papakostaki, D; Christodoulou, V; Besenfelder, U; Amiridis, G.S; Kueholzer, B; Samartzi, F; Brem, G

Title: Exploitation of embryos collected from Maedi-Visna seropositive ewes during eradication programs.

Source: Small Ruminant Research (62) 129-134.

Authors Vetmeduni Vienna:

Besenfelder Urban
Brem Gottfried

Vetmed Research Units
Institute of Animal Breeding and Genetics

It was demonstrated that Maedi-Visna virus is not transmitted through transfer of in vivo derived, either intact or micromanipulated sheep embryos, provided washing and trypsin treatment is applied immediately after collection. Thus, genetic material of highly producing Maedi-Visna seropositive sheep can be exploited or/and preserved prior to slaughter, (a) facilitating application of eradication schemes and accelerating flock replacement and (b) enabling preservation of genetic material (in the form of frozen embryos) from sheep of endangered breeds in cases when most or all available females are Maedi-Visna seropositive. (c) 2005 Elsevier B.V. All rights reserved.

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