Zobrazeno 1 - 10
of 628
pro vyhledávání: '"male effect"'
Publikováno v:
AIMS Agriculture and Food, Vol 9, Iss 2, Pp 472-482 (2024)
The aim of this study was to evaluate the effects of two different methods of controlling ovine reproduction (ram effect and a combination of eco-friendly substances) in three Greek indigenous sheep breeds, namely Florina, Karagouniko, and Chios. 180
Externí odkaz:
https://doaj.org/article/64e66cf2bca844839725c7f9820853f3
Autor:
L.A. Espinoza Flores, J.D. Andrade Esparza, J. Vielma, D. Lopez Magaña, L.A. Zarazaga, H. Hernandez, M. Keller, P. Chemineau, Jose Alberto Delgadillo
Publikováno v:
Tropical and Subtropical Agroecosystems, Vol 27, Iss 1 (2024)
Background. In seasonally anovulatory goats, sexually active bucks led a high pregnancy rate during a mating period of 36 days. Progesterone priming of does can reduce the length of the mating period while maintaining high fertility by allowing oestr
Externí odkaz:
https://doaj.org/article/bfc2c5099013462e93bbebf54fd2b3b7
Autor:
Lorenzo Buenabad-Carrasco, Juan Sicairos-Díaz, Paulina Vázquez-Mendoza, Brooke Latack, Raymundo Rodríguez De Lara, Juan González Maldonado
Publikováno v:
Acta Scientiarum: Animal Sciences, Vol 46, Iss 1 (2023)
The objective of this study was to evaluate the effect of palm kernel cake and ram effect on reproductive activity of postpartum and lactating ewes. Twenty multiparous ewes, five to eleven days postpartum, were separated into four different treatment
Externí odkaz:
https://doaj.org/article/d2678b5f09f4429994dd3a6068e7c37f
Autor:
R.M. Aroña, A. Longinos Muñoz, H. Hernandez, R. Ungerfeld, M. Keller, P. Chemineau, Jose Alberto Delgadillo
Publikováno v:
Tropical and Subtropical Agroecosystems, Vol 26, Iss 1 (2023)
Background. Anestrous goats can cycle and become pregnant after the introduction of sexually active bucks, but some of them become anestrus probably because they have been fertilized and early embryonic death occurred or because they have not been fe
Externí odkaz:
https://doaj.org/article/b0956fed3dc14b79abb6b9e62b7ba047
Autor:
Paul Cann, Chrystelle Le Danvic, Chantal Porte, Didier Chesneau, Matthieu Keller, Patricia Nagnan-Le Meillour
Publikováno v:
Frontiers in Veterinary Science, Vol 9 (2023)
IntroductionUnder temperate latitudes, reproduction in Ovis aries displays a marked seasonality, governed by the photoperiod. In natural conditions, the transition between sexual rest and sexual activity in both sexes is induced by the decrease of da
Externí odkaz:
https://doaj.org/article/d67b172694684aa281fc90e4e84b8aa8
Autor:
Zhiyu Pang, Zhenhui Zhao, Yongchuang Li, Yuqi Sun, Chun Duan, Binlun Yan, Wazir Ali Baloch, Qingyu Zhou, Huan Gao
Publikováno v:
Aquaculture Reports, Vol 27, Iss , Pp 101419- (2022)
To study the effects of sex ratio differences on the growth and ovarian development of Exopalaemon carinicauda, and their mechanism, we cultured female shrimps with different numbers of males for five weeks, and measured the growth and ovarian develo
Externí odkaz:
https://doaj.org/article/6ac9f9c78ec24939b47f4c9734f1bb7e
Autor:
Maria G. Machado-Ramos, Cesar A. Meza-Herrera, Angeles De Santiago-Miramontes, Miguel Mellado, Francisco G. Véliz-Deras, Fernando Arellano-Rodríguez, Viridiana Contreras-Villarreal, José R. Arévalo, Dalia I. Carrillo-Moreno, Jessica M. Flores-Salas
Publikováno v:
Animals, Vol 13, Iss 15, p 2431 (2023)
Based on a circular economy approach, we evaluated the possible effect of targeted supplementation with leftover feed from dairy cows (i.e., intensive system) on the reproductive performance of crossbred/rangeland goats (i.e., extensive system) in ar
Externí odkaz:
https://doaj.org/article/b74b39e7701f48308e9ad7e90d93e47c
Publikováno v:
Italian Journal of Animal Science, Vol 20, Iss 1, Pp 707-716 (2021)
Non-esterified fatty acids (NEFAs) and Insulin-like growth factor-I (IGF-1) concentrations are modified after the induction of a "male effect". The present study examined the effect of the introduction of males into a group of females that were previ
Externí odkaz:
https://doaj.org/article/d93640234c954dcd8a7d2ac52ff44a03
Autor:
Ilda G. Fernández, Jessica Loya-Carrera, Pablo Sifuentes-Lamónt, Gerardo Duarte, J. Alfredo Flores, Erika Grimaldo, Horacio Hernández, Raúl Ulloa-Arvizu, Jennifer D. Andrade-Esparza
Publikováno v:
Italian Journal of Animal Science, Vol 19, Iss 1, Pp 989-996 (2020)
The aims of this study were to determine: (i) whether sexually inexperienced photo-stimulated males housed individually in pens display less intense sexual behaviour than sexually inexperienced photo-stimulated males housed in a group, and (ii) wheth
Externí odkaz:
https://doaj.org/article/a6e1009229ea47f49f655eafe5f158d0