Effect of circulating prolactin, lactation days, and seasonal variations on first artificial insemination pregnancy rates using the PG7G protocol in dairy cows

Effect of circulating prolactin, lactation days, and seasonal variations on first artificial insemination pregnancy rates using the PG7G protocol in dairy cows

Background and Aim: Dairy farm profitability is linked to milk yield and reproductive efficiency. High prolactin levels during lactation can negatively impact fertility. Timed AI protocols like PG7G are used to improve pregnancy rates. This study investigates the effects of extending the voluntary w...

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Bibliographic Details
Main Authors: Mufeed A. Alnimer, Mohamed A. Abedal-Majed, Mohmmad Al-Qaisi, Ahmad I. Shamoun
Format: Article
Language:English
Published: Veterinary World 2025-01-01
Series:Veterinary World
Subjects:
dairy cows
days in milk
pregnancy rate
prolactin
season
timed artificial insemination
Online Access:https://www.veterinaryworld.org/Vol.18/January-2025/5.pdf
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