An update on repeat breeding cows [PDF]
Las vacas repetidoras son un problema frecuente en nuestros rodeos lecheros que genera pérdidas económicas importantes. Estas vacas se caracterizan por ser normales al examen clínico pero presentan dificultad en quedar preñadas ya que continúan vacías ...
Jaureguiberry, María +2 more
core
Plasma progesterone profile and conception rate following exogenous supplementation of gonadotropin-releasing hormone, human chorionic gonadotropin, and progesterone releasing intra-vaginal device in repeat-breeder crossbred cows [PDF]
Aim: This study was designed to evaluate the effect of gonadotropin-releasing hormone (GnRH), human chorionic gonadotropin (hCG), and progesterone impregnated intra-vaginal device on progesterone profile and conception rate in repeat-breeding crossbred ...
N. K. J. Pandey +3 more
doaj +1 more source
Current Insights in the Repeat Breeder Cow Syndrome
Cows can have difficulties becoming pregnant, and in certain cases, these reproductive failures do not have an evident cause. Furthermore, when these failures are repeated three or more times with estrous cycles of normal duration and in the absence of ...
Carlos Carmelo Pérez-Marín +1 more
doaj +1 more source
Cisgenesis: an important sub-invention for traditional plant breeding companies
Modern plant breeding is highly dependent on new technologies to master future problems. More traits have to be combined, frequently originating from wild species. Traditional breeding is connected with linkage drag problems.
H. J. Schouten +3 more
core +1 more source
Pengaruh Pemberian GnRH pada Sapi Potong yang Mengalami Kawin Berulang (Repeat Breeding)
Repeat breeding is a condition in which cows have normal estrous cycles and have been mated 3 times or more but are not pregnant. The incidence of repeat breeding in beef cattle can be detrimental to breeders in terms of time, that the calving period ...
Adi, Yosua Kristian +5 more
core +1 more source
Pattern of induced estrus and conception rate following Ovsynch and Ovsynch based gonadotropin-releasing hormone treatments initiated on day 6 of estrous cycle in repeat breeding crossbred cows [PDF]
Aim: The aim was to evaluate the estrus response, incidence of accessory corpus luteum formation and fertility following different hormonal protocols in repeat breeding crossbred cows.
N. Ahmed +5 more
doaj +1 more source
Repeat Breeding in Cattle and Buffalo
The presence of a sizable number of repeat breeder cows is one of the most significant loss-causing reproductive issues in dairy cattle that are now prominent at the field level. Repeat breeders have a significant negative impact on both productivity and the economy.
openaire +2 more sources
Incidence and etiologies of Repeat breeding in buffaloes
Repeat breeding is one of the important infertility problems that occur in buffaloes. Repeat breeding increases service period and inter-calving interval thereby causing low milk and calf production resulting in greater economic losses to the dairy industry.
openaire +2 more sources
Repeatability of Breeding Parameters in Arctic Skuas
Established pairs of Arctic Skuas Stercorarius parasiticus showed high repeatability in clutch volume (both within and between years), moderate repeatability in laying dates, but low repeatability in chick growth. Males that changed partner showed no repeatability in clutch volume or chick growth but did show repeatability in laying date, whereas ...
R. A. Phillips, R. W. Furness
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Use of Cystorelin® and artificial insemination in repeat-breeding beef heifers after estrous synchronization [PDF]
Gonadotropin-releasing hormone (GnRH) was administered to a group of 13- to 14- month-old Angus and Angus crossbred repeat-breeding heifers at the time of the second or third artificial insemination to determine its effect on conception rates ...
Houghton, P.L. +5 more
core +1 more source

