The effect of subclinical endometritis on reproductive performance in postpartum Bos indicus multiparous beef cows.
Sign Up to like & getrecommendations! Published in 2022 at "Animal reproduction science"
DOI: 10.1016/j.anireprosci.2022.106928
Abstract: The objective was to investigate the prevalence of subclinical endometritis (SE) in postpartum Bos indicus multiparous beef cows using different polymorphonuclear cells (PMN) threshold ratios, and to evaluate the impacts of SE on their reproductive… read more here.
Keywords: beef cows; postpartum bos; subclinical endometritis; bos indicus ... See more keywords
Uterine health and fertility of timed AI postpartum Nelore beef cows raised in the Amazon biome
Sign Up to like & getrecommendations! Published in 2021 at "Livestock Science"
DOI: 10.1016/j.livsci.2021.104528
Abstract: Abstract This study evaluated the effect of uterine health on the fertility of postpartum beef cows. Multiparous lactating Nelore cows (Bos indicus; n = 155) were subjected to a timed artificial insemination (TAI) protocol. Cows were included… read more here.
Keywords: beef cows; uterine health; cows pmn; health fertility ... See more keywords
Estradiol cypionate administered at the end of a progesterone-based protocol for FTAI induces ovulation and improves postovulatory luteal function and uterine environment in anestrous beef cows.
Sign Up to like & getrecommendations! Published in 2021 at "Theriogenology"
DOI: 10.1016/j.theriogenology.2021.01.003
Abstract: The objective of this study was to evaluate the effect of the administration of estradiol cypionate (ECP) at the end of an estradiol and progesterone-based protocol for fixed time artificial insemination (FTAI) on ovarian response… read more here.
Keywords: beef cows; function; control; ovulation ... See more keywords
Effect of herbage allowance on productive and reproductive responses of primiparous beef cows grazing on Campos grassland
Sign Up to like & getrecommendations! Published in 2017 at "Animal Production Science"
DOI: 10.1071/an16601
Abstract: The effects of two levels of herbage allowance (HA, kg DM/kg liveweight (LW)) on forage mass and chemical composition, cow body condition score, cow LW, stocking rate, productive and reproductive responses were evaluated during two… read more here.
Keywords: beef cows; productive reproductive; year; forage mass ... See more keywords
Effects of pre- and postpartum supplementation on lactational and reproductive performance of grazing Nellore beef cows
Sign Up to like & getrecommendations! Published in 2020 at "Animal Production Science"
DOI: 10.1071/an18251
Abstract: Context Few studies have evaluated the effects of providing concentrate pre- or postpartum, or during both of these intervals, to beef cows grazing tropical pastures, even though this information is important for planning breeder herd… read more here.
Keywords: postpartum supplementation; beef cows; supplementation; pre postpartum ... See more keywords
Grazing beef cows identified as efficient using a nutrition model partition more energy to lactation
Sign Up to like & getrecommendations! Published in 2021 at "Animal Production Science"
DOI: 10.1071/an20558
Abstract: Context The efficiency of the cow–calf sector could be enhanced by matching cow biological type to the production environment; however, methods to estimate the biological efficiency of grazing beef cows are not available. Aims This… read more here.
Keywords: beef cows; production; energy; model ... See more keywords
11 Early Induction of Luteolysis in Fixed-Time Artificial Insemination Protocols Increases Fertility in Beef Cows
Sign Up to like & getrecommendations! Published in 2018 at "Reproduction, Fertility and Development"
DOI: 10.1071/rdv30n1ab11
Abstract: Complete luteolysis is essential for pregnancy success in beef cows submitted to fixed-time AI (FTAI) protocols. The objective of this study was to evaluate the effect of prostaglandin F (PGF) administration on Day 7 compared… read more here.
Keywords: beef cows; pregnancy; fixed time; day ... See more keywords
3 Animal Protein-Free Semen Extender for Fixed-Time Insemination of Beef Cows
Sign Up to like & getrecommendations! Published in 2018 at "Reproduction, Fertility and Development"
DOI: 10.1071/rdv30n1ab3
Abstract: Current semen cryopreservation protocols include the use of animal products, such as egg yolk, in semen extenders, which raises important biosecurity concerns related to the transmission of infectious agents. Therefore, there is a need for… read more here.
Keywords: beef cows; motility; insemination; day ... See more keywords
35 Vaginal pH changes due to the use of a controlled internal drug release (CIDR) and its effects on fertility of beef cows
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Animal Science"
DOI: 10.1093/jas/skaa278.046
Abstract: The objective of this study was to evaluate changes in vaginal pH of beef cows enrolled in a 7-d CO-Synch+controlled internal drug release (CIDR) protocol and its effects on pregnancy. A total of 46 multiparous… read more here.
Keywords: d10; beef cows; controlled internal; internal drug ... See more keywords
176 Application of growing degree day to predict diet crude protein in rangeland beef cows
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Animal Science"
DOI: 10.1093/jas/skaa278.242
Abstract: We used a fecal near infrared spectroscopy (FNIRS) calibration for cattle diet crude protein (CP) to evaluate the efficacy of growing degree day (GDD) as a remotely-sensed method to monitor grazing animal nutrition. Composite fecal… read more here.
Keywords: beef cows; diet crude; growing degree; degree day ... See more keywords
Influence of weaning management at 30, 75 and 180 days of age on non-esterified fatty acids and reproductive performance in beef cows.
Sign Up to like & getrecommendations! Published in 2022 at "Journal of animal physiology and animal nutrition"
DOI: 10.1111/jpn.13736
Abstract: This study aimed to investigate the effect of age at weaning of calves on non-esterified fatty acids (NEFA) and reproductive parameters of beef cows. Animals (n = 65) were randomly assigned to three treatments after calving: hyper-early… read more here.
Keywords: dpp; non esterified; beef cows; esterified fatty ... See more keywords