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Animal Science Database

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Abstract

The research work was carried out to evaluate the effects of age and breed on semen quality of beef bull sires. The experimental site was located at Singosari National Artificial Insemination Center, Malang, Indonesia. A total of 180 ejaculate semen which were collected from 9 beef bull sires (3...

Author(s)
Isnaini, N.; Wahjuningsih, S.; Ma'ruf, A.; Witayanto, D. A.
Publisher
CIPAV Foundation, Cali, Colombia
Citation
Livestock Research for Rural Development, 2019, 31, 5, pp Article 78
Abstract

USDA National Animal Germplasm Program is responsible for collecting germplasm from agriculturally relevant species in the US and developing methods for its efficient and effective storage and utilization. Lack of low cost and effective use of assisted reproductive technologies in sheep has been...

Author(s)
Purdy, P. H.; Spiller, S. F.; McGuire, E.; McGuire, K.; Koepke, K.; Lake, S.; Blackburn, H. D.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Small Ruminant Research, 2020, 191,
Abstract

The article presents the results of studies to assess the functioning of breeding plants with a fundamentally different approach to the formation of dairy herd and breeding work with it. The best breeding plants of the Tver region support the formation of the main herd of cows either through import ...

Author(s)
Sudarev, N. P.; Abylkasymov, D.; Abrampalskaya, O. V.; Chargeishvili, S. V.
Publisher
Severo-Kavkazskiy Federal'nyy Nauchnyy Agrarnyy Tsentr, Stavropol, Russia
Citation
Sel'skokhozyaystvennyy Zhurnal, 2018, 11, 3, pp 50-56
Abstract

Genetic evaluation records for the Canadian Holstein, Ayrshire, Jersey, and Brown Swiss bulls and cows born from 1950 and 1960, respectively, were used to study the generation intervals (L) along the four-path selection model. The objectives of the study were to determine the L in the four dairy...

Author(s)
Hagan, B. A.; Cue, R.
Publisher
NRC Research Press, Ottawa, Canada
Citation
Canadian Journal of Animal Science, 2020, 100, 1, pp 175-183
Abstract

Until recently non-return rate 56 days (NR56) for Italian Holstein Friesian bulls had been published only for artificial-insemination (AI) organizations. Since December 2015, the information about sire fertility has been published also for the farmers. The objectives of this research were to assess ...

Author(s)
Varotto, A.; Finocchiaro, R.; Kaam, J. B. C. H. M. van; Marusi, M.; Civati, G.; Cassandro, M.
Publisher
Biotechnical Faculty of the University of Ljubljana, Ljubljana, Slovenia
Citation
Acta Agriculturae Slovenica. Supplement, 2016, No.Supplement 5, pp 94-98
Abstract

This study was carried out from October 2007 to March 2009 on 237 Gobra zebus after an insemination campaign in the area of Thies (Senegal) where it aimed at evaluating the performance of Gobra females and their products after artificial insemination. The rate of gestation was 44.3% (n=105) with an ...

Author(s)
Kouamo, J.; Alloya, S.; Habumuremyi, S.; Ouedraogo, G. A.; Sawadogo, G. J.
Publisher
AGRI-Overseas, Brussels, Belgium
Citation
Tropicultura, 2014, 32, 2, pp 80-89
Abstract

The success or failure of artificial insemination starts with the quality status of semen used, hence, this study aimed to investigate the effects of breed, season and year on bovine semen quality of the National Bull Stud of Rwanda kept at Masaka bull station, Rwanda. A total of 1475 semen samples ...

Author(s)
Hirwa, C. D.; Kugonza, D. R.; Amahoro, E.; Ingabire, C.; Niyiragira, V.; Myambi, C.; Manzi, M.; Murekezi, T.; Nyabinwa, P.; Nshimiyimana, A. M.; Kanyandekwe, C.; Gahakwa, D.
Publisher
Academic Journals, Lagos, Nigeria
Citation
International Journal of Livestock Production, 2017, 8, 6, pp 72-78
AbstractFull Text

The present study was conducted to determine the conception rate of cows/heifers artificially inseminated at Upazila Livestock Office, Rajarhat, Kurigram. A total of 184 cows/heifers of different breed, age, season, body weight and parity were selected and artificial insemination was per formed by...

Author(s)
Khatun, M. A.; Bari, F. Y.; Alam, M. S.; Ali, M. R.; Sarkar, P. K.
Publisher
Wayamba University of Sri Lanka, Kuliyapitya, Sri Lanka
Citation
Wayamba Journal of Animal Science, 2014, 6, pp 845-854
AbstractFull Text

Factors affecting fertility after artificial insemination of Payoya goats have been analyzed from the results of 1384 inseminations from 2005 to 2008. Mean fertility rate was 59%. Six out of the fifteen factors showed a significant effect on fertility (farm, age, size group, incidences at ...

Author(s)
Arrébola, F.; González, O.; Torres, R.; Forcada, F.; Abecia, J. A.
Publisher
Asociación Interprofesional para el Desarrollo Agrario, Zaragoza, Spain
Citation
XIV Jornadas sobre Producción Animal, Zaragoza, España, 17 y 18 de mayo de 2011, 2011, pp 341-343
Abstract

The ability to produce high-quality semen in sufficient quantity is a crucial trait of artificial insemination (AI) boars in the pig industry. Therefore, the selection process of young boars at AI centers, apart from their genetic value, should specifically take into account the quality of...

Author(s)
Schulze, M.; Buder, S.; Rüdiger, K.; Beyerbach, M.; Waberski, D.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Animal Reproduction Science, 2014, 148, 3/4, pp 164-170

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