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Animal Science Database

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Abstract

A series of experiments was designed to evaluate the quality of cryopreserved rooster sperm and its fertility so that programs needing to bank germplasm and recreate animals can do so utilizing a minimal amount of cryopreserved semen. In experiment 1, rooster semen from the National Animal...

Author(s)
Purdy, P. H.; Song, Y.; Silversides, F. G.; Blackburn, H. D.
Publisher
Poultry Science Association, Savoy, USA
Citation
Poultry Science, 2009, 88, 10, pp 2184-2191
Abstract

Group of secondary traits such as health, longevity, type and milkability represents some of very important factors for successful milk production. These traits have been given great importance in recent years. In order to realize productive life of dairy cows as long and successful as possible,...

Author(s)
Pantelić, V.; Samolovac, L.; Aleksić, S.; Trivunović, S.; Petrović, M. M.; Ostojić-Andrić, D.; Novaković, Ž.
Publisher
Leibniz Institute for Farm Animal Biology, Dummerstorf, Germany
Citation
Archiv Tierzucht, 2010, 53, 5, pp 545-554
Abstract

Pregnancy rates of Nelore females inseminated with male-sexed semen and conventional semen from the same bulls were evaluated. The females included 433 heifers (2 years old) and 230 non-suckling cows, totaling 663 animals. Average body condition score was 3.5 (1-5 scale). Estrus was induced with...

Author(s)
Dominguez, J. H. E.; Costa, D. S.; Centurion, V. J.; Faria, F. J. C.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Animal Reproduction Science, 2011, 129, 3/4, pp 127-131
Abstract

The international Brown Swiss cattle population pedigree was studied to measure genetic variations and to identify the most influential animals. Twenty-two countries provided pedigree information on 71 497 Brown Swiss bulls used for artificial insemination (AI). The total number of animals with the ...

Author(s)
Worede, G. M.; Forabosco, F.; Zumbach, B.; Palucci, V.; Jorjani, H.
Publisher
Cambridge University Press, Cambridge, UK
Citation
Animal, 2013, 7, 7, pp 1060-1066
Abstract

The aim of this study was to compare four methods of estrus resynchronization performed 23 days after timed artificial insemination (TAI) plus estrus observation in Bos indicus cows. Eight hundred fourteen lactating Nelore cows were submitted to TAI and then randomly assigned to one of the five...

Author(s)
Campos, J. T.; Marinho, L. S. R.; Lunardelli, P. A.; Morotti, F.; Seneda, M. M.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2013, 80, 6, pp 619-623
Abstract

A pedigree including 1538 individuals of the endangered pig breed 'Bunte Bentheimer' and 3008 records of the fertility traits 'number of piglets born alive' (NBA) and 'number of piglets weaned' (NW) were used to (i) characterize the population structure, (ii) to estimate genetic (co)variance...

Author(s)
Biermann, A. D. M.; Pimentel, E. C. G.; Tietze, M.; Pinent, T.; König, S.
Publisher
Wiley-Blackwell, Berlin, Germany
Citation
Journal of Animal Breeding and Genetics, 2014, 131, 1, pp 36-45
Abstract

The objective of this study was to examine the effects of increasing circulating progesterone in multiparous Holstein cows, using an intravaginal progesterone implant between days 3 and 7 following fixed-time artificial insemination (FTAI). The animals were randomly assigned into two groups: (1)...

Author(s)
Marques, T. C.; Leão, K. M.; Viu, M. A. de O.; Sartori, R.
Publisher
Springer, Amsterdam, Netherlands
Citation
Tropical Animal Health and Production, 2014, 46, 2, pp 405-410
Abstract

Dehorning in cattle has been associated with behavioral, physiological, and neuroendocrine responses indicative of pain. Unaddressed, the pain associated with a routine production procedure could contribute to a negative public perception of livestock production practices. Alternative...

Author(s)
Spurlock, D. M.; Stock, M. L.; Coetzee, J. F.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2014, 97, 8, pp 5265-5274
Abstract

This study aimed to evaluate the effects of animal category (early two years old primiparous, three years primiparous and multiparous cows) on interval duration between the onset of breeding season (BS) and conception, number of inseminations per female and pregnancy rate at the end of BS. Animals...

Author(s)
Resende, A. O.; Campos, C. C.; Oliveira, M.; Santos, R. M. dos
Publisher
Universidade Federal do Paraná, UFPR, Palotina, Brazil
Citation
Archives of Veterinary Science, 2014, 19, 3, pp 47-52
Abstract

Vaginal mucus during estrus was examined with the Metricheck device and the relationship to the reproduction of high-yielding dairy cows was studied. The study was conducted in 99 dairy herds located in Western Germany and 1348 Holstein-Friesian heifers and cows showing spontaneous estrus were...

Author(s)
Lambertz, C.; Völker, D.; Janowitz, U.; Gauly, M.
Publisher
Wiley-Blackwell, Melbourne, Australia
Citation
Animal Science Journal, 2014, 85, 9, pp 848-852

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