Results 31 to 40 of about 12,798 (245)

Hormonal treatment and estrus synchronization in cows: A mini-review

Journal of Advanced Veterinary and Animal Research, 2015
Perfect detection of estrus is crucial for good husbandry practice of cow. Estrus synchronization is the alternative strategy to bypass the critical problem of estrus detection.
Ashit Kumar Paul, Ton Yoisungnern, Napolean Bunaparte   +2 more
doaj   +1 more source

Induction and Synchronization of Estrus

, 2021
Estrus cycle is a rhythmic change that occur in the reproductive system of females starting from one estrus phase to another. The normal duration of estrus cycle is 21 days in cow, sow, and mare, 17 days in ewe, and 20 days in doe. The species which exhibit a single estrus cycle are known as monstrous and species which come into estrus twice or more ...
Prasanna, Pal,, Rayees, Dar, Mohammad
openaire   +3 more sources

Genetic Relationship of Body Energy and Blood Metabolites with Reproduction in Holstein Cows [PDF]

, 2008
Body condition score (BCS), energy content (EC), cumulative effective energy balance (CEEB), and blood serum concentrations of glucose, beta-hydroxybutyrate (BHBA), and nonesterified fatty acids ( NEFA) were measured throughout first lactation in 497 ...
A. Tsiaras, Banos, Banos, Berry, Brotherstone, Bruss, Butler, Clark, D. Zygoyiannis, de Vries, Dechow, Edmonson, Ferguson, Fox, G. Arsenos, G. Banos, G. Oikonomou, G.E. Valergakis, Gilmour, Hayhurst, Herdt, Holtenius, Lucy, Markusfeld, Moallem, Patton, Pryce, Pryce, Pryce, Rabiee, Reist, Reist, Stevenson, Suriyasathaporn, Veerkamp, Veerkamp, Wall, Walsh, Wathes, Westwood, Whitaker   +40 more
core   +1 more source

Estrous behavior in dairy cows: identification of underlying mechanisms and gene functions [PDF]

, 2010
Selection in dairy cattle for a higher milk yield has coincided with declined fertility. One of the factors is reduced expression of estrous behavior. Changes in systems that regulate the estrous behavior could be manifested by altered gene expression ...
Beerda, B., Boer, H.M.T., Veerkamp, R.F., Woelders, H.   +3 more
core   +2 more sources

Estrus and pregnancy rate of Simmental-Ongole Crossbred and Ongole Grade heifer after being synchronized and inseminated

Journal of the Indonesian Tropical Animal Agriculture, 2018
The aim of the study was to examine the synchronization of estrus and artificial insemination in heifers of Ongole grade and Simental-Ongole grade. The research used 19 Ongole Grade (OG) and 18 Simental-Ongole Crossbred (SOC) heifers.
S. Sutiyono, D. Samsudewa, A. Suryawijaya   +2 more
doaj   +1 more source

The effect of exogenous glucose infusion on early embryonic development in lactating dairy cows [PDF]

, 2018
peer-reviewedThe objective of this study was to examine the effect of intravenous infusion of glucose on early embryonic development in lactating dairy cows. Nonpregnant, lactating dairy cows (n = 12) were enrolled in the study (276 ± 17 d in milk). On d
Butler, Stephen, Curran, F., Forde, Niamh, Herlihy, Mary M., Kenneally, J., Leane, S., Lonergan, P., Lucy, Matt C., Simintiras, Constantine A., Sturmey, Roger G.   +9 more
core   +2 more sources

SYNCHRONIZATION OF ESTRUS WITH PGF ANALOGUE IN EWES AND GOATS DURING TWO SEASONS

The Iraqi Journal of Veterinary Medicine, 1989
Trials had been made for synchronization of estrus in both ewes and goats during Summer and Autumn seasons following double injection of PGF 2α . The results showed that the synchronization of estrus as well as the conception rates in ewes were lower ...
AL-SAADI, H.A.K, AL-ATTIA, H.H.
doaj   +1 more source

Recipient Selection to Support The Success Rate of Frozen-Thawed Belgian Blue Embryo Transfer [PDF]

E3S Web of Conferences, 2020
Frozen-thawed Belgian Blue (BB) Embryo transfer (TE) is an effort of fulfilling meat demand in Indonesia. This research aimed at observing the correlation between estrus expressions of standing heat and the correlation of CL characteristics on the ...
Kurniati Weni, Agil Muhammad, Purwantara Bambang, Imron Muhammad   +3 more
doaj   +1 more source

Serum Metabolomic Analysis of Synchronous Estrus in Yaks Based on UPLC-Q-TOF MS Technology

Animals
The yak is a unique species of livestock found in the Qinghai-Tibet Plateau and its surrounding areas. Due to factors such as late sexual maturity and a low rate of estrus, its reproductive efficiency is relatively low.
Fen Feng, Chun Huang, Dunzhu Luosang, Xiaoming Ma, Yongfu La, Xiaoyun Wu, Xian Guo, Zhandui Pingcuo, Chunnian Liang   +8 more
doaj   +1 more source

Synchronization of Estrus in Cattle: A Review [PDF]

Veterinary World, 2011
Numbers of estrus synchronization programmes are available in cattle based on the use of various hormones like progesterone, prostaglandin F2a and their various combinations with other hormones like estrogen and Gonadotrophin Releasing hormone (GnRH ...
R. Islam
doaj