Comparative Evaluation of Ovsynch and Double Ovsynch Protocols with Single and Double Insemination in Holstein Dairy Cows: Reproductive Performance and Cost Analysis [PDF]
AnimalsThis study investigated the reproductive and economic costs of four estrus synchronization protocols in multiparous Holstein dairy cows: Ovsynch with one or two artificial inseminations (AIs), and Double Ovsynch with one or two AIs.
Daniel Ionut Berean +2 more
doaj +2 more sources
Comparative Efficacy of Estrus Induction Protocols Using PGF2α Alone Versus OvSynch and Select Synch in Dairy Cattle in Algeria [PDF]
Archives of Razi InstituteIntroduction: The objective of this study is to evaluate the efficacy of estrus induction protocols based on prostaglandin F2α (PGF2α), compared with an OvSynch-type variant and the Select Synch protocol, in terms of reproductive performance in dairy ...
Ahmed Boucif +5 more
doaj +2 more sources
When Implementing the Presynch-11/Ovsynch Reproductive Management Program, the Fertility of Lactating Dairy Cows Improved When They Received Timed Artificial Insemination Compared with the Inclusion of Estrus Detection [PDF]
AnimalsArtificial insemination 12 h following observed standing estrus is a standard estimate of the fertility levels of cattle. The main objective of this study was to determine if controlling ovarian development with a fertility program could alter the ...
Jaimie Marie Strickland +3 more
doaj +2 more sources
Impact of presynchronization and Ovsynch on early postpartum ovarian activity and fertility of dairy cows in Libya [PDF]
Open Veterinary JournalBackground: Reproductive efficiency affects dairy cow profitability. Ovarian function in postpartum has been better understood using ultrasound and hormonal assays.
Najmi M. Mariol +4 more
doaj +2 more sources
The Fertility Outcomes of Egyptian Buffalo Cows after Ovsynch and Presynch-Ovsynch Protocols [PDF]
Journal of Applied Veterinary Sciences, 2023 The present study aimed to compare the reproductive outcomes after the blind application of the standard Ovsynch and Presynch Ovsynch protocols on Egyptian Buffaloes (Bubalus bubalis) during the breeding season. Fifty multiparous Egyptian buffalo cows of
Mahmoud Othman +3 more
doaj +1 more source
Fertility Response of Cyclic and Acyclic High Lactating Holstein Dairy Cows to PRID-Modified Ovsync Protocol [PDF]
Kafrelsheikh Veterinary Medical Journal, 2021 Objective: This study aimed to evaluate the fertility response and concurrent follicular dynamics and hormonal profiles of cyclic and acyclic high lactating Holstein cows to PRID Modified (PRID-synch) protocol in comparison with Basic-Ovsynch protocol ...
Adel Ramoun +3 more
doaj +1 more source
Efficacy of a modified Double-Ovsynch protocol for the enhancement of reproductive performance in Hanwoo cattle [PDF]
Animal Bioscience, 2023 Objective We aimed to evaluate the efficacy of a modified Double-Ovsynch protocol vs artificial insemination following estrus detection (AIED) for the enhancement of reproductive performance in Hanwoo cattle.
Jae Kwan Jeong +2 more
doaj +1 more source
An investigation on the possibility of using eCG for presynchronization prior to ovsynch in dairy cow [PDF]
Iranian Journal of Veterinary Medicine, 2018 Background: Presynchronization could enhance fertility in timed breeding programs. The best presynchronization method has to justify biological requirements and to provide practical and economic advantages.
Amir Niasari-Naslaji +3 more
doaj +1 more source
Frontiers in Veterinary Science, 2022 Further optimization of reproduction management programs in dairy cows is a contemporary research topic. In this context, our study aimed to compare a hormone program, named “uterus-ovary monitoring and classified use of hormone program” (M+C), with the ...
Bingke Wang +15 more
doaj +1 more source
Synchronization of Ovulation and Timed Insemination in Lactating Dairy Cattle
Folia Veterinaria, 2023 Successful reproduction of lactating dairy cattle, or in other words its reproductive performance is a limiting factor in the profit ratio of cattle breeding regarding market production.
Moskáľová L., Pošivák J.
doaj +1 more source