Zobrazeno 1 - 10
of 78
pro vyhledávání: '"estrus behavior"'
Autor:
J.H.W. Diniz, A.C.B. Teixeira, R.F.G. Peres, R.B. Gois, E.C.R. Cunha, O.J. Escobar Jr, R.S. Carvalho, L.Z. Oliveira
Publikováno v:
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, Vol 76, Iss 6 (2024)
RESUMO Objetivou-se comparar as taxas de prenhez (TP) e a perda gestacional (PG) de vacas sem expressão de estro (NEE), as quais receberam PGF2α ou GnRH no momento da IATF. Vacas multíparas da raça Nelore (n=1347) receberam, no D0, 2mg (IM) de be
Externí odkaz:
https://doaj.org/article/74ba6d7732d245e58f2f25d5fc219d6f
Autor:
Krishna Mohan, Nitu Kumar
Publikováno v:
Veterinary World, Vol 16, Iss 11, Pp 2244-2249 (2023)
Background and Aim: Estrus synchronization of ewes has been accomplished using several protocols with various degrees of success in improving reproductive efficiency and obtaining the most effective protocol used in sheep farming. This study aimed to
Externí odkaz:
https://doaj.org/article/a084636f5b544ac6afa2d504868f4b7b
Autor:
Qathrinnada Ramadhana, Ginta Riady, Hafizuddin Hafizuddin, Cut Nila Thasmi, Erdiansyah Rahmi, Amalia Sutriana
Publikováno v:
Ovozoa: Journal of Animal Reproduction, Vol 11, Iss 3, Pp 103-108 (2022)
Accurate determination of estrus status in an animal based on an appropriate estrus detection method can guarantee the cows' pregnancy after mating. This study aims to determine the estrus status of Aceh cows using the van Eerdenburg estrus behavior
Externí odkaz:
https://doaj.org/article/d830bed83c524b2585eb4b6a46469de2
Autor:
Maien Munthe-Kaas, Guro Sveberg, Ingrid Hunter Holmøy, Elisabeth Kommisrud, Caroline Sorknes Haadem, Adam Dunstan Martin
Publikováno v:
Frontiers in Veterinary Science, Vol 10 (2023)
IntroductionNorwegian Red has been shown to have high levels of estrus behavior under experimental conditions. However, the estrus behaviors of Norwegian Red cows have not been studied under commercial conditions.MethodsA herd of 89 Norwegian Red cow
Externí odkaz:
https://doaj.org/article/dc467a6768bf433983847a19567433fe
Publikováno v:
Frontiers in Animal Science, Vol 4 (2023)
The first objective of this study was to compare behavioral and ear temperature changes using accelerometer ear tags (CowManager system; Sensor) during the declining progesterone (P4) phase (expected estrus) and the luteal phase determined using in-l
Externí odkaz:
https://doaj.org/article/d0c79653b447437baf54c859f28400fa
Autor:
ELENA BOLOCAN
Publikováno v:
Scientific Papers Animal Science and Biotechnologies, Vol 42, Iss 1, Pp 141-141 (2023)
High ambient temperatures affect the secretion of sexual hormones in cows and heifers. As a result, the frequency of silent estrus can reach a high level during summer. In order to analyze the effects of heat stress on sexual behavior in Black and Wh
Externí odkaz:
https://doaj.org/article/a47ac5a575c041e0a76bf2db327bad2d
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Autor:
Siyuan Gao, Ruixin Tao, Xian Tong, Qinglei Xu, Jing Zhao, Yanli Guo, Allan P. Schinckel, Bo Zhou
Publikováno v:
Biomolecules, Vol 10, Iss 11, p 1545 (2020)
Steroid hormone levels are associated with estrous behavior, which affects timely mating and reproductive efficiency in pigs. 17β-hydroxysteroid dehydrogenase type 14 (HSD17B14) modulates steroid synthesis and metabolism. To identify the functional
Externí odkaz:
https://doaj.org/article/f8ebf92476174480ac2d093accf3d8cb
Autor:
Toshiya ARAKAWA
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 83, Iss 848, Pp 16-00447-16-00447 (2017)
For the successful mating of female and male mammals, their estrus behavior has significant importance. Professional evaluators observe the goats' behavior from the viewpoint of the management of estrus behavior in female goats. However, this observa
Externí odkaz:
https://doaj.org/article/e936bb2419374aba828e70a9bff2aa11