Abstract:-Modern systems of sheep production are directed towards intensification, being in this line the adoption of artificial insemination. The objective was to compare two protocols of fixed-time artificial insemination (FTAI) in dairy ewes managed under field conditions in Buenos Aires province, Argentina. Twenty four two-tooth Milchschaf x Texel ewes, aging 18 months, were synchronized with intravaginal sponges plus 300 IU eCG and cervically inseminated with fresh semen either once at 54 h (Group A) or twice at 4… Show more
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