Results 71 to 80 of about 708 (172)

РЕПРОДУКТИВЕН ОТГОВОР ПРИ ПЪРВОТЕЛКИ И МНОГО РАЖДАЛИ БИВОЛИЦИ ОТ ПОРОДАТА БЪЛГАРСКА МУРРА С ОВАРИАЛНА ХИПОФУНКЦИЯ СЛЕД ПРИЛОЖЕНИЕ НА GnRH-PGF2α-GnRH ТЕРАПИЯ

Животновъдни науки, 2014
The aim of the present study was to determine the reproductive response of primiparous and multiparous buffaloes of Bulgarian Murrha breed with ovarian inactivity after GnRH-PGF2α-GnRH (OVSYNCH) therapy.
АНАТОЛИ АТАНАСОВ
doaj  

External progesterone supplementation during the Ovsynch protocol reduces the incomplete luteolysis in dairy cows under heat stress

Macedonian Veterinary Review
The present study aimed to determinate the effect of external progesterone (P4) supplementation on luteolysis in cows under heat stress. Forty-eight (n=48) dairy cows in the period from July September 2018 were part of and at day 35±3 postpartum scored ...
Boris Stojanov, Branko Atanasov, Juraj Grizelj, Silvijo Vince, Ksenija Ilievska, Martin Nikolovski, Toni Dovenski, Marko Samardžija   +7 more
doaj   +1 more source

A COMPARATIVE STUDY OF PRE-SYNCHRONIZATION PROTOCOLS G7G AND eCG PROTOCOL IN DAIRY COWS IN ANBAR GOVERNORATE, IRAQ [PDF]

Assiut Veterinary Medical Journal
This study was conducted on privately-owned dairy farms in Al-Anbar Province, Iraq, from July 2023 to January 2024. The aim of the study was to evaluate the impact of timed artificial insemination (TAI) on the calving interval (CI), days open (DO), and ...
HANI ALRAWI, ‪ISMAEL KORIDI
doaj   +1 more source

Effect of three methods of estrus synchronization: Osynch, Co-Synch and Prostaglandin on the fertility of subfertile dairy cows [PDF]

Āsīb/shināsī-i Darmāngāhī-i Dāmpizishkī, 2015
This study was performed to compare the effect of using 3 different estrus synchronization methods (Ovsynch, Co-Synch and Prostaglandin) on the conception rate of subfertile dairy cows.
habib cheraghi, khosro Parsaeimehr, ali hosseinkhani, sadegh alijani, hossein daghighkia   +4 more
doaj  

The Influence of the Interval between Administration of PGF2α, in the Pre-Synchronization Treatments (2xPGF2α), in the Ovsynch Synchronization Program of the Oestrus and the Ovulations in Dairy Cows

Scientific Papers Animal Science and Biotechnologies, 2023
The results of synchronization of estrus and ovulation by Ovsynch program can be improved if stages of estrous cycles in cows are synchronized, through two administrations of PGF2α, before the administration the first dose of GnRH.
Nicolae Păcala, Casiana Şipeţan Ciolac, Ioan Bencsik, Dorel Dronca, Gabi Dumitrescu, Eliza Simiz, Marioara Nicula, Valer Carabă, Adela Marcu, Liliana Petculescu-Ciochina, Marinel Șipețan, Cosmin Ganţă   +11 more
doaj  

ESTRATEGIC MANAGEMENT DURING THE TRANSICION PERIOD TO OPTIMISE PRODUCTIVITY AND REPRODUCTIVE PERFORMANCE IN THE DAIRY HERD
MANEJO ESTRATÉGICO DURANTE EL PERIODO DE TRANSICIÓN PARA OPTIMIZAR LA PRODUCCIÓN Y EL COMPORTAMIENTO REPRODUCTIVO GANADO LECHERO

Revista de la Facultad de Medicina Veterinaria y de Zootecnia, 2009
In dairy herds, the interval between calving and pregnancy depend on many factors including preparation of the cow for calving, dietary management before and after calving.
Risco Carlos
doaj  

Quistes foliculares en vaca Holstein, Nicaragua

Revista Colombiana de Ciencia Animal Recia
Los quistes foliculares son una patología recurrente que afecta al ganado bovino lechero, impactando de manera negativa en los índices reproductivos del rebaño.
José Salomón Gómez Marín, Nolfreddy José Arroliga Morales, Selena Antoniela Espinoza Flores, Ana Luisa Gonçalves Latavanha Chisté, Silvio Miguel Castillo Fonseca   +4 more
doaj   +1 more source

Stimulation of the Reproductive Functions at Acyclic Cows by Ovsynch and PRID/ eCG

Scientific Papers Animal Science and Biotechnologies, 2023
The aim of our work was to compare the efficiency of two programs for induction and synchronization of estrus and ovulations in acyclic cows (Ovsynch and gestagene program (PRID) + eCG).
Nicolae Păcală, Nicolae Corin, Ioan Bencsik, Dorel Dronca, Ada Cean, Alexandra Boleman, Valeriu Carabă, Stefan Papp   +7 more
doaj  

Effect of replacing the second gonadotropin releasing hormone of Ovsynch and Co-synch protocols with human chorionic gonadotropin on the reproductive performance of primiparous lactating cows during the cool months of the year

Bulgarian Journal of Veterinary Medicine
The study objective was to evaluate the effect of replacing the second gonadotropin releasing hormone (GnRH2) of the Ovsynch and Co-Synch protocols with human chorionic gonadotropin (hCG) on ovulation, conception, pregnancy, and embryo loss rates in ...
M. Fattahi, M. Goli
doaj   +1 more source

Comparison of ovsynch protocol with the additional GnRH administration during early and mid-luteal phase of ovsynch Protocol in crossbred cows

International Journal of Veterinary Sciences and Animal Husbandry, 2022
R Doodram, K Venkata Ramana, K Chandra Shekar Reddy, Uday Kumar Reddy T, Srikar Reddy   +4 more
openaire   +1 more source