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Open AccessJournal ArticleDOI

Prevalence of periparturient diseases and effects on fertility of seasonally calving grazing dairy cows supplemented with concentrates.

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TLDR
Periparturient diseases were highly prevalent in seasonally calving grazing dairies and affected cows had delayed resumption of estrous cyclicity, reduced P/AI, and increased risk of pregnancy loss.
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This article is published in Journal of Dairy Science.The article was published on 2013-09-01 and is currently open access. It has received 256 citations till now. The article focuses on the topics: Metritis & Subclinical infection.

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Pivotal periods for pregnancy loss during the first trimester of gestation in lactating dairy cows.

TL;DR: There are varied causes for pregnancy losses during each pivotal period that correspond to key physiological changes in the embryo, uterine environment, and ovary and strategies to reduce these losses are likely to require a multifaceted approach using rational methods that target the critical physiology in each pivotalperiod.
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Carryover effect of postpartum inflammatory diseases on developmental biology and fertility in lactating dairy cows

TL;DR: Investigation of inflammatory diseases occurring before breeding on the developmental biology and reproductive responses in dairy cows demonstrated that inflammatory disease before breeding reduced fertilization of oocytes and development to morula, and impaired early conceptus development to elongation stages and secretion of IFN-τ in the uterine lumen.
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A 100-Year Review: Stress physiology including heat stress

TL;DR: Improvements in protection of animals against stress require improved education of producers to recognize stress and methods for estimating degree of stress on animals.
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Circulating concentrations of bovine pregnancy-associated glycoproteins and late embryonic mortality in lactating dairy herds

TL;DR: In this article, the authors determined the association between circulating concentrations of pregnancy-associated glycoproteins (PAG) and late embryonic mortality (EM) in dairy cattle following fixed-time artificial insemination (TAI) on d 0 or timed embryo transfer (TET) ond 7, and identified a circulating concentration of PAG on d 31 below which late EM would be likely to occur.
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Journal ArticleDOI

Partitioning of Nutrients During Pregnancy and Lactation: A Review of Mechanisms Involving Homeostasis and Homeorhesis

TL;DR: While not definitively established, roles for placental lactogen and prolactin are attractive possibilities in homeorhetic regulation of maternal tissues to support pregnancy and the initiation of lactaion, respectively.
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Biology of dairy cows during the transition period : the final frontier?

TL;DR: Estimates of the mixture of fuels constituting metabolizable energy in cows during the early postpartum period suggest that supply of amino acids and glucogenic compounds may be under proposed optima, whereas ketogenic and lipogenic compounds and long-chain fatty acids may be in excess.
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Principal descriptors of body condition score in Holstein cows.

TL;DR: The objective of this study was to assess objectively the ability of observers to assess body condition of dairy cows and the relationship between body region description and absolute body condition score.
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Defining Postpartum Uterine Disease and the Mechanisms of Infection and Immunity in the Female Reproductive Tract in Cattle

TL;DR: Advances in knowledge about infection and immunity in the female genital tract should be exploited to develop new therapeutics for uterine disease.
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Neutrophil function and energy status in Holstein cows with uterine health disorders.

TL;DR: In this paper, the authors investigated the associations between peripheral blood neutrophil (PMN) function, energy status, and uterine health in periparturient dairy cows.
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