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Animal Science Database

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Abstract

We developed a reproductive tract size and position score (SPS) system as a reproductive management tool to identify lactating dairy cows with decreased fertility. This system, relying solely on transrectal palpation, considers the size (cervical and uterine) and position of the reproductive tract...

Author(s)
Young, C. D.; Schrick, F. N.; Pohler, K. G.; Saxton, A. M.; Croce, F. A. di; Roper, D. A.; Wilkerson, J. B.; Edwards, J. L.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2017, 100, 7, pp 5922-5927
Abstract

Blood-borne extracellular vesicles (i.e., exosomes and microvesicles) carrying microRNAs (miRNAs) could make excellent biomarkers of disease and different physiologic states, including pregnancy status. We tested the hypothesis that circulating extracellular vesicle-derived miRNAs might...

Author(s)
Pohler, K. G.; Green, J. A.; Moley, L. A.; Gunewardena, S.; Hung WeiTing; Payton, R. R.; Hong XiaoMan; Christenson, L. K.; Geary, T. W.; Smith, M. F.
Publisher
Wiley, Hoboken, USA
Citation
Molecular Reproduction and Development, 2017, 84, 8, pp 731-743
Abstract

Colony-stimulating factor 2 (CSF2) is an embryokine that improves competence of the embryo to establish pregnancy and which may participate in developmental programming. We tested whether culture of bovine embryos with CSF2 alters fetal development and alleviates abnormalities associated with in...

Author(s)
Siqueira, L. G.; Tribulo, P.; Chen ZhiYuan; Denicol, A. C.; Ortega, M. S.; Negrón-Pérez, V. M.; Kannampuzha-Francis, J.; Pohler, K. G.; Rivera, R. M.; Hansen, P. J.
Publisher
Oxford University Press, Cary, USA
Citation
Biology of Reproduction, 2017, 96, 4, pp 743-757
Abstract

Timing of conception, which has been indicated to be negatively influenced by metabolic dysfunctions, can influence lifetime productivity within the cow herd. Therefore, our objective was to analyze the association of milk production, serum metabolites as an indicator of nutrient status, cow BW and ...

Author(s)
Hobbs, J. D.; Edwards, S. R.; Cope, E. R.; McFarlane, Z. D.; Pohler, K. G.; Mulliniks, J. T.
Publisher
American Society of Animal Science, Savoy, USA
Citation
Journal of Animal Science, 2017, 95, 4, pp 1545-1552
Abstract

The objectives of these experiments were as follows: (1) to determine the association between circulating concentrations of pregnancy-associated glycoproteins (PAG) and late embryonic mortality (EM) in lactating dairy cattle following fixed-time artificial insemination (TAI) on d 0 or timed embryo...

Author(s)
Pohler, K. G.; Pereira, M. H. C.; Lopes, F. R.; Lawrence, J. C.; Keisler, D. H.; Smith, M. F.; Vasconcelos, J. L. M.; Green, J. A.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2016, 99, 2, pp 1584-1594
Abstract

The objective of this study was to examine the association between increased physical activity at the moment of timed artificial insemination (AI), detected by an automated activity monitor (AAM), and fertility outcomes. This paper also investigated factors affecting estrous expression in general....

Author(s)
Madureira, A. M. L.; Polsky, L. B.; Burnett, T. A.; Silper, B. F.; Soriano, S.; Sica, A. F.; Pohler, K. G.; Vasconcelos, J. L. M.; Cerri, R. L. A.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 4, pp 3598-3608
Abstract

The objective of this experiment was to evaluate the impact of complexed trace mineral supplementation on ovum pick-up (OPU) and in vitro embryo production in lactating beef cows. Thirty days prior to fixed-time artificial insemination (FTAI; day -30), 68 postpartum cows were stratified by BW, BCS, ...

Author(s)
Dantas, F. G.; Reese, S. T.; Filho, R. V. O.; Carvalho, R. S.; Franco, G. A.; Abbott, C. R.; Payton, R. R.; Edwards, J. L.; Russell, J. R.; Smith, J. K.; Pohler, K. G.
Publisher
Oxford University Press, Cary, USA
Citation
Journal of Animal Science, 2019, 97, 4, pp 1478-1490
Abstract

Author(s)
Jinks, E. M.; Atkins, J. A.; Pohler, K. G.; Smith, M. F.; Perry, G. A.; MacNeil, M. D.; Geary, T. W.
Publisher
Nottingham University Press, Nottingham, UK
Citation
Reproduction in domestic ruminants VII. Proceedings of the Eighth International Symposium on Reproduction in Domestic Ruminants, Anchorage, Alaska, September 2010, 2010, pp 549
Abstract

Reproductive inefficiency in cattle has major impacts on overall productivity of cattle operations, increasing cost of production, and impacting the sustainability of the cattle enterprise. Decreased reproductive success and associated disease states have been correlated with the presence of...

Author(s)
Clemmons, B. A.; Reese, S. T.; Dantas, F. G.; Franco, G. A.; Smith, T. P. L.; Adeyosoye, O. I.; Pohler, K. G.; Myer, P. R.
Publisher
Frontiers Media S.A., Lausanne, Switzerland
Citation
Frontiers in Microbiology, 2017, 8, June, pp 1047
Abstract

The primary objective was to determine if circulating concentration of bovine pregnancy-associated glycoproteins (bPAGs) on Day 30 after artificial insemination (AI) may serve as a marker of late embryonic mortality in Bos indicus (Nelore) beef cows. In experiment 1, postpartum Nelore beef cows...

Author(s)
Pohler, K. G.; Peres, R. F. G.; Green, J. A.; Graff, H.; Martins, T.; Vasconcelos, J. L. M.; Smith, M. F.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2016, 85, 9, pp 1652-1659

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