Search Results - "Parr, M H"
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Pregnancy losses in cattle: potential for improvement
Published in Reproduction fertility and development (01-01-2016)“…For heifers, beef and moderate-yielding dairy cows, it appears that the fertilisation rate generally lies between 90% and 100%. For high-producing dairy cows,…”
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Embryo death in cattle: an update
Published in Reproduction fertility and development (01-01-2012)“…For heifers, beef and moderate-yielding dairy cows, fertilisation generally exceeds 90%. In high-producing dairy cows, it may be lower and possibly more…”
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Relationship between pregnancy per artificial insemination and early luteal concentrations of progesterone and establishment of repeatability estimates for these traits in Holstein-Friesian heifers
Published in Journal of dairy science (01-05-2012)“…Pregnancy per insemination is a major determinant of reproductive efficiency in cattle and is affected by concentrations of progesterone (P4) during early…”
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Effect of dietary n-3 polyunsaturated fatty acid supplementation and post-insemination plane of nutrition on systemic concentrations of metabolic analytes, progesterone, hepatic gene expression and embryo development and survival in beef heifers
Published in Theriogenology (15-03-2019)“…Nutrition, and particularly dietary energy intake, plays a fundamental role in reproductive function in cattle. There is some evidence that supplemental…”
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Establishment of critical timing of progesterone supplementation on corpus luteum and embryo development in beef heifers
Published in Animal reproduction science (01-05-2017)“…Optimal concentrations of progesterone (P4) during early pregnancy are a major determinant of embryo survival in cattle. This study examined the effects of P4…”
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Effect of exogenous progesterone supplementation in the early luteal phase post-insemination on pregnancy per artificial insemination in Holstein–Friesian cows
Published in Animal reproduction science (10-11-2014)“…•Supplementation of P4 on day 4 to 9 after AI decreased P/AI by 12 percentage points.•Positive linear and quadratic relationship between P/AI and milk P4 on…”
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The concurrent and carry over effects of long term changes in energy intake before insemination on pregnancy per artificial insemination in heifers
Published in Animal reproduction science (01-06-2015)“…Follicle development in a period of negative energy balance (NEB), as experienced by the postpartum dairy cow, could be affected by undesirable metabolic…”
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058 Impact of neosporosis seropositivity status on some key performance indicators in spring calving beef cow herds in Ireland
Published in Journal of animal science (01-08-2017)Get full text
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Impact of neosporosis seropositivity status on some key performance indicators in spring calving beef cow herds in Ireland
Published in Journal of animal science (01-08-2017)“…An abstract of an article by Diskin et al on quantifying the effects, if any, that neosporosis had on 12 wk in-calf rate, calving interval, reappearance rate,…”
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Stomoxys Control in Uganda, East Africa
Published in Nature (London) (12-09-1959)Get full text
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A spinning-disk sprayer for applying residual insecticides
Published in Annals of applied biology (01-09-1948)Get more information
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A Technique for exposing Individual Flies on Insecticidal Deposits
Published in Nature (London) (04-11-1961)Get full text
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Fate of transplanted adult neural stem/progenitor cells and bone marrow–derived mesenchymal stromal cells in the injured adult rat spinal cord and impact on functional recovery
Published in Surgical neurology (01-12-2008)“…Abstract Background Neural stem/progenitor cells derived from the ependymal region of the spinal cord may have the ability to regenerate the injured mammalian…”
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