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Animal Science Database

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Abstract

Manipulation of the reproductive tract can cause inflammatory processes in the endometrium and release of cytokines and prostaglandins. It has been shown that PGF has direct negative effects on embryonic survival and development. Treatment with nonsteroidal antiinflammatory drugs (e.g., ibuprofen ...

Author(s)
Heuwieser, W.; Iwersen, M.; Goetze, L.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2011, 94, 1, pp 146-151
Abstract

The objective of this study was to identify genetic markers and genomic regions associated with susceptibility to Mycobacterium avium ssp. paratuberculosis (MAP) infection in Holstein cattle. Associated single nucleotide polymorphisms (SNPs) were identified by genotyping 521 MAP-infected Holstein...

Author(s)
Kirkpatrick, B. W.; Shi, X.; Shook, G. E.; Collins, M. T.
Publisher
Wiley-Blackwell, Oxford, UK
Citation
Animal Genetics, 2011, 42, 2, pp 149-160
Abstract

Two experiments were designed to evaluate the effect of different insemination times (12 and 24 h or 18 and 30 h) and different types of semen (sex-sorted or non-sorted sperm) on embryo production in Nelore (Bos indicus) and Holstein (Bos taurus) superstimulated donors. In the first experiment,...

Author(s)
Soares, J. G.; Martins, C. M.; Carvalho, N. A. T.; Nicacio, A. C.; Abreu-Silva, A. L.; Campos Filho, E. P.; Torres Júnior, J. R. S.; SáFilho, M. F.; Baruselli, P. S.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Animal Reproduction Science, 2011, 127, 3/4, pp 148-153
Abstract

The follicle-stimulating hormone (FSH) acts on the sertoli cells in the seminiferous tubules of the testis and regulates spermatogenesis up to the secondary spermatocyte stage. Allelic and genotypic frequencies of bovine follicular stimulating hormone (exon III) gene were studied for 83 animals...

Author(s)
Ghasemi, M. V.; Ghorbani, A.; Beheshti, R.
Publisher
Scholars Research Library, India
Citation
Annals of Biological Research, 2012, 3, 4, pp 1783-1785
Abstract

Pregnancy per insemination is a major determinant of reproductive efficiency in cattle and is affected by concentrations of progesterone (P4) during early pregnancy. The relationship between pregnancy per artificial insemination (P/AI) and early luteal concentrations of P4, and repeatability of...

Author(s)
Parr, M. H.; Mullen, M. P.; Crowe, M. A.; Roche, J. F.; Lonergan, P.; Evans, A. C. O.; Diskin, M. G.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2012, 95, 5, pp 2390-2396
Abstract

We have previously shown that Holstein cows selected for their homozygous favorable ("fertil+") or unfavorable ("fertil-") haplotype at one quantitative trait loci (QTL) of female fertility located on chromosome 3 (QTL-F-Fert-BTA3) had a different success rate 35 and 90 days after the first ...

Author(s)
Coyral-Castel, S.; Brisard, D.; Touzé, J. L.; Dupont, M.; Ramé, C.; Uzbekova, S.; Dupont, J.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2012, 77, 9, pp 1822-1833
Abstract

The objective was to identify herd-level indicators expressed as a proportion of sampled animals with increased nonesterified fatty acids (NEFA) or β-hydroxybutyric acid (BHBA), or decreased calcium in wk -1 and wk +1 relative to calving that were associated with herd-level incidence of retained...

Author(s)
Chapinal, N.; LeBlanc, S. J.; Carson, M. E.; Leslie, K. E.; Godden, S.; Capel, M.; Santos, J. E. P.; Overton, M. W.; Duffield, T. F.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2012, 95, 10, pp 5676-5682
Abstract

The objective was to compare reproductive performance with management programs based on an automated activity monitoring (AAM) system or a synchronized breeding program under field conditions. In total, 1,429 Holstein cows from 3 commercial herds in Ontario, Canada, were enrolled over 1 yr in a...

Author(s)
Neves, R. C.; Leslie, K. E.; Walton, J. S.; Leblanc, S. J.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2012, 95, 10, pp 5683-5693
Abstract

The somatotropic axis is a key metabolic pathway during transition from late pregnancy to early lactation in dairy cows. The first objective of this study was to determine the feasibility of selecting cows with persistent differences in total insulin-like growth factor 1 (IGF-1) concentration by...

Author(s)
Piechotta, M.; Kedves, K.; Araujo, M. G.; Hoeflich, A.; Metzger, F.; Heppelmann, M.; Muscher-Banse, A.; Wrenzycki, C.; Pfarrer, C.; Schuberth, H. J.; Hoedemaker, M.; Bollwein, H.; Kaske, M.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2013, 96, 6, pp 3737-3749
Abstract

The hypotheses of this study were (1) that the administration of 400 IU eCG in a TAI protocol would increase ovarian follicular growth and diameter of the largest follicle (LF), volume of the CL, and produce an earlier rise on serum concentration of progesterone (P4) to ultimately improve P/AI...

Author(s)
Ferreira, R. M.; Ayres, H.; Sales, J. N. S.; Souza, A. H.; Rodrigues, C. A.; Baruselli, P. S.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Animal Reproduction Science, 2013, 140, 1/2, pp 26-33

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