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Animal Science Database

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Abstract

The objective of this study was to clarify the effects of a second protocol of ovulation synchronisation starting on day 26 after timed artificial insemination on ovarian profile and days open in dairy cows diagnosed as nonpregnant. Ninety-four Holstein-Friesian cows received intramuscular...

Author(s)
Osawa, T.; Honjou, S.; Nitta, H.; Uchiza, M.; Tameoka, N.; Moro, Y.; Izaike, Y.
Publisher
Society for Reproduction and Development (, Tokyo, Japan
Citation
Journal of Reproduction and Development, 2009, 55, 2, pp 163-169
Abstract

Previous studies have shown that the use of beef bull semen significantly reduces the rate of abortions due to Neospora caninum in artificially inseminated (AI) seropositive dairy cows. In addition, certain beef breeds could be more resistant to N. caninum infection and abortion than others. The...

Author(s)
Almería, S.; López-Gatius, F.; García-Ispierto, I.; Nogareda, C.; Bech-Sàbat, G.; Serrano, B.; Santolaria, P.; Yániz, J. L.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Veterinary Parasitology, 2009, 163, 4, pp 323-329
Abstract

An experiment was performed on 128 heifers (79 Holstein and 49 Normande heifers) born during four successive winters (1989-1992) and aimed at studying the effect of limiting average daily live weight gain (ADG) during two successive winters on performance and longevity when heifers first calved at...

Author(s)
Cozler, Y. le; Peccatte, J. R.; Delaby, L.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Livestock Science, 2010, 127, 1, pp 238-247
Abstract

The objectives were to determine the effect of ovsynch plus postbreeding infusion treatment combined with fixed time AI on pregnancy rate in healthy Holstein cows. A total of 36 cows ageing between three and eight were used. Cows were randomly assigned to one of three treatment groups. Cows (n=12)...

Author(s)
Yİldİz, A.
Publisher
Medwell Online, Faisalabad, Pakistan
Citation
Journal of Animal and Veterinary Advances, 2010, 9, 9, pp 1345-1350
Abstract

An experiment was performed on 128 heifers (79 Holstein and 49 Normande heifers) born during four successive winters (1989-1992) and aimed at studying the effect of limiting average daily live weight gain (ADG) during two successive winters on performance and longevity when heifers first calved at...

Author(s)
Cozler, Y. le; Peccatte, J. R.; Delaby, L.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Livestock Science, 2010, 127, 2/3, pp 238-247
Abstract

Future progress in genetic improvement and the monitoring of genetic resources in beef cattle requires a detailed understanding of the population under selection. This study examines the gene flow in the UK beef population with an uncommon breeding structure involving interaction between the beef...

Author(s)
Todd, D. L.; Woolliams, J. A.; Roughsedge, T.
Publisher
Cambridge University Press, Cambridge, UK
Citation
Animal, 2011, 5, 12, pp 1874-1886
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

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

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