alexa Effect of postpartum intrauterine treatment with 2\% polyvinyl-pyrrolidone-iodine solution on reproductive efficiency in cows.
Reproductive Medicine

Reproductive Medicine

Journal of Fertilization: In Vitro - IVF-Worldwide, Reproductive Medicine, Genetics & Stem Cell Biology

Author(s): Nakao T, Moriyoshi M, Kawata K, Nakao T, Moriyoshi M, Kawata K

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Abstract The effect of a routine postpartum intrauterine infusion of 50 to 100 ml 2 \% polyvinylpyrrolidone (PVP) -iodine solution on the reproductive performance of dairy cows was investigated in field trials. At a regular herd visit, alternate cows (n = 531) at around one month after calving (maximum 50 and minimum 20) were treated in utero with PVP-iodine. Additional cows (n = 474) were left untreated or were infused in utero with physiological saline and served as controls. The first service conception rate, overall conception rate within 180 d after calving, and average interval in days from parturition to conception were 48.5 and 74.5 \%, 98 +/- 36 d in the treated group and 54.9 and 75.9 \%, 90 +/- 34 d in the controls. Thus, the routine postpartum treatment with 2 \% PVP-iodine solution was not effective in improving the reproductive efficiency of cows. The results were nearly the same in all groups, across herd, year of trial, parity, interval from parturition to treatment and dose of PVP-iodine solution. Besides, for cows with endometritis, an intrauterine infusion of PVP-iodine solution was not only ineffective but it was detrimental to fertility.
This article was published in Theriogenology and referenced in Journal of Fertilization: In Vitro - IVF-Worldwide, Reproductive Medicine, Genetics & Stem Cell Biology

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