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Experiments on cervical embryo transfer in cattle - effects of transfer instruments covered with a paper sheath on pregnancy rates and uterine bacterial contamination



Experiments on cervical embryo transfer in cattle - effects of transfer instruments covered with a paper sheath on pregnancy rates and uterine bacterial contamination



Japanese Journal of Animal Reproduction 28(1): 30-35



In the 1st experiment, 46 embryos were transferred non-surgically (1 per to the horn ipsilateral to the corpus luteum. The transfers were carried out by the same operator, with a metal AI instrument designed to insert an 0.25 ml straw; half were performed with the instrument ensheathed in paper and half without. Pregnancy rates 55-59 days after transfer were 63.6 and 33.4% in the 2 groups resp., the difference being significant.

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Accession: 001364440

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