Inflammatory uterine microenvironment in long-term infertility repeat breeder cows compared with normal fertile cows [PDF]
Veterinary and Animal ScienceThe reproductive performance of lactating dairy cows is gradually declining, and one of the causes of this problem is the presence of long-term infertility repeat breeder cows (RBCs).
Maho Taru +6 more
doaj +4 more sources
Leptin receptor expression and its change in association with the normalization of EGF profile after seminal plasma treatment in repeat breeder dairy cows [PDF]
The Journal of Reproduction and Development, 2022 Factors associated with high milk production levels have been linked to alterations in the endometrial epidermal growth factor (EGF) profile, a cause of reduced fertility in dairy cows.
Nattapong NINPETCH +6 more
doaj +2 more sources
Follicular growth patterns in repeat breeder cows [PDF]
Veterinární Medicína, 2003 The aim of this study was to examine follicular development patterns in eighteen repeat breeder cows through natural oestrus cycles. Ovarian ultrasonographic examinations over 32 days after artificial insemination revealed that two follicular waves were ...
C.C. Pérez +5 more
doaj +2 more sources
Economic benefit in repeat breeder cows using intrauterine infusion of penicillin and estrus synchronization followed by timed artificial insemination [PDF]
Journal of Advanced Veterinary and Animal Research, 2018 Objective: Until recently, management of repeat breeding in cattle remains a major problem to dairy farmers. This study was carried out to improve the fertility in cows, those did not conceive after three or more consecutive services.
Abul Khair +6 more
doaj +2 more sources
Evaluation of the effect of sustained‐release progesterone injection on the expression of interferon‐related genes in repeat‐breeder dairy cows [PDF]
Veterinary Medicine and ScienceBackground Repeat‐breeder cows repeatedly fail to conceive after at least three attempts and return to oestrus at apparently normal intervals. Repeat‐breeder cows cause economic losses in dairy farms in different ways.
Jahangir Modaresi +4 more
doaj +2 more sources
Embryo transfer as an option to improve fertility in repeat breeder dairy cows [PDF]
Journal of Veterinary Research, 2021 Repeat breeding is a serious reproductive disorder in dairy cattle. The causes of repeat breeding are multifactorial and there are two main mechanisms: failure of fertilisation or early embryo death, mainly due to poor quality of oocytes and an ...
Nowicki Arkadiusz
doaj +3 more sources
Repeat Breeding and Its’ Associated Risk Factors in Crossbred Dairy Cattle in Northern Central Highlands of Ethiopia [PDF]
Veterinary Medicine International, 2023 The purpose of the current study was to ascertain the prevalence and incidence of repeat breeding and related risk variables in crossbred dairy cattle in the northern Central Highlands of Ethiopia.
Tewodros Eshete +3 more
doaj +2 more sources
In Vivo Follicular and Uterine Arterial Indices as an Indicator of Successful Hormonal Stimulation for Inactive Ovaries in Repeat-Breeder Crossbred Dairy Cows Using a Short-Term Progesterone-Based Programme [PDF]
Animals, 2022 An investigation of vascularity of ovarian and uterine arteries after hormonal treatment for inactive ovaries using the short-term progesterone-based programme had not yet been explored in repeat-breeder crossbred dairy cows.
Punnawut Yama +16 more
doaj +2 more sources
Efficacy of different estrus synchronization protocols in repeat breeder cows
Indian Journal of Animal Sciences, 2019 The work was conducted in 272 repeat breeder cows diagnosed with functional form of infertility, i.e. luteal insufficiency and ovulatory defects. The objective of present study was to evaluate the efficacy of synchronization protocols in functionally ...
MADHUMEET SINGH +4 more
doaj +2 more sources
Current Insights in the Repeat Breeder Cow Syndrome
Animals, 2023 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 evident clinical signs, it is considered repeat breeder cow (RBC) syndrome.
Carlos Carmelo Pérez-Marín +1 more
openaire +5 more sources