NDLI: Estrus synchronization and conception rate after a progesterone releasing intravaginal device (PRID) treatment from the early luteal phase in heifers.

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Estrus synchronization and conception rate after a progesterone releasing intravaginal device (PRID) treatment from the early luteal phase in heifers.

Content Provider	Semantic Scholar
Author	Kuroiwa, Takenobu Ishibashi, Ai Fukuda, Masaharu Kim, Seungjoon Tanaka, Tomomi Kamomae, Hideo
Copyright Year	2005
Abstract	The objective of the present study was to evaluate estrus synchronization and conception rate after progesterone releasing intravaginal device (PRID) treatment from the early luteal phase in the presence or absence of estradiol benzoate (EB) in heifers. Heifers (n=11) were assigned randomly to two treatments; insertion of a PRID containing 1.55 g progesterone with a capsule attached including 10 mg EB (P+EB; n=6) and the PRID withdrawn the EB capsule (P-EB; n=5). The PRID was inserted into the vagina on Day 2 of the estrous cycle (Day 0 was the day of ovulation) and was left for 12 days. The proportion of heifers exhibiting standing estrus within 3 days after PRID removal was 83.3% (5/6) for the P+EB group, and 80.0% (4/5) for the P-EB group, respectively. Conception rate by artificial insemination on synchronized estrus was 80.0% (4/5) in the P+EB group, and 100% (4/4) in the P-EB treatment group, respectively. These results suggest that a PRID treatment from 2 days after ovulation for 12 days in the presence or absence of EB has an effect on the synchronization of estrus and produces a beneficial conception rate in heifers.
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://www.jstage.jst.go.jp/article/jrd/51/5/51_5_669/_pdf
PubMed reference number	16046838v1
Volume Number	51
Issue Number	5
Journal	The Journal of reproduction and development
Language	English
Access Restriction	Open
Subject Keyword	Artificial Insemination Benzoates Estrous Cycle Estrus Exhibits as Topic Gonadorelin Insertion Mutation Luteal Phase Ovulation PersonNameUse - assigned Progesterone Vagina estradiol 3-benzoate
Content Type	Text
Resource Type	Article

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