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Animal Science Database

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Abstract

Many breeding programs have been implemented in developing countries, many of which have been unsuccessful. To better understand the failure of these breeding programs, it is proposed to analyze their adequacy with innovations that are actually adopted by smallholders. The proposed methodology...

Author(s)
Camara, Y.; Moula, N.; Sow, F.; Sissokho, M. M.; Antoine-Moussiaux, N.
Publisher
Cambridge University Press, Cambridge, UK
Citation
Animal, 2019, 13, 2, pp 417-426
Abstract

In sheep, artificial insemination serves as an important technique for breed improvement. In this context, genetic material from a small number of superior sires can be used in a large number of females. During this process, the storage of ram sperm may influence the efficiency of artificial ...

Author(s)
Allai, L.; Benmoula, A.; Silva, M. M. da; Nasser, B.; El-Amiri, B.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Animal Reproduction Science, 2018, 192, pp 6-17
Abstract

In Montbéliarde cattle two candidate mutations on bovine chromosomes 19 and 29 responsible for embryonic lethality have been detected. Montbéliarde bulls have been introduced into Vorderwald cattle to improve milk and fattening performance. Due to the small population size of Vorderwald cattle and...

Author(s)
Reinartz, S.; Distl, O.
Publisher
Public Library of Sciences (PLoS), San Francisco, USA
Citation
PLoS ONE, 2016, 11, 7, pp e0160013
Abstract

Three experiments were done to evaluate the effects of progesterone (P4) supplementation starting during metestrus on formation of the CL and on fertility of lactating dairy cows subjected to fixed-time artificial insemination (FTAI) or embryo transfer (ET). In experiment 1, 42 Holstein cows were...

Author(s)
Monteiro, P. L. J., Jr.; Nascimento, A. B.; Pontes, G. C. S.; Fernandes, G. O.; Melo, L. F.; Wiltbank, M. C.; Sartori, R.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2015, 84, 7, pp 1215-1224
Abstract

Multiparous red deer (Cervus elaphus scoticus) hinds (n=18) were artificially inseminated with semen from a red deer stag (n=8) or wapiti bull (C.e. nelsoni) (n=10) to produce red deer or F1 crossbred (C.e. scoticus × C.e. nelsoni) calves. A further seven wapiti × red deer (F1) hinds were...

Author(s)
Stevens, D. R.; Archer, J. A.; Asher, G. W.; Ward, J. F.; Scott, I. C.; O'Neill, K. T.; Littlejohn, R. P.; Barrell, G. K.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Livestock Science, 2014, 170, pp 172-180
Abstract

Multiparous red deer (Cervus elaphus scoticus) hinds (n=17) were either mated to a red deer stag or artificially inseminated with semen from a wapiti bull (C.e. nelsoni) to produce red deer or F1 crossbred (C. e. scoticus × C. e. nelsoni) calves to test the hypotheses that (1) red deer hinds...

Author(s)
Archer, J. A.; Asher, G. W.; Stevens, D. R.; Ward, J. F.; Scott, I. C.; O'Neill, K. T.; Littlejohn, R. P.; Barrell, G. K.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Livestock Science, 2013, 157, 1, pp 289-298
Abstract

A study was conducted to determine if early weaning spring born calves can be an alternative management strategy during drought and if early weaning facilitates rebreeding of young cows. Our objectives were to determine effects of early weaning at the start of breeding on cow body weight, body...

Author(s)
Waterman, R. C.; Geary, T. W.; Paterson, J. A.; Lipsey, R. J.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Livestock Science, 2012, 148, 1/2, pp 26-35
Abstract

On many pig farms, >50% of boars used as herd sires are culled within their first two years of use. Premature culling of high value breeding animals has negative effects not only on breeding programmes but also on the economic performance of farms. Sire boars have a significant influence on the...

Author(s)
KlopitskiĭV. P.; Konopel'ko, Yu. V.
Publisher
Izdatel'ski Dom Svinovodstvo, Moscow, Russia
Citation
Svinovodstvo (Moskva), 2010, No.6, pp 63-65
Abstract

Datong yak bulls and their frozen semen were naturally mated or artificially inseminated with 203 Gannan yak cows in Gansu, China, to analyze the effects of feeding and management of yak bulls and cows on reproduction performance, growth and development of Gannan yak cows and their crossbred...

Author(s)
Shi HongMei; Yang Qin; Guo ShuZhen; Liu HanLi; Yang RunXi; Li BaoMing; Cai-Rang Nao Ri
Publisher
Northwestern Agricultural University, China Animal Husbandry and Veterinary Association, Yangling, China
Citation
China Cattle Science, 2009, 35, 4, pp 6-8
Abstract

ADAOGLU, A. [Artificial insemination of sheep in Turkey]: 545-547. AIKANLI, A. R. [Sheep and goat breeding in Turkey. Problems and their solution]: 191-196. BALEVSKA, R. [Conditions and general trends in the development of sheep breeding in Bulgaria]: 7-16. BALEVSKA, R. [Correlations between main...

Author(s)
Bratanov, K.; Balevska, R.; Tanev, I.
Publisher
Izdatel'stvo na B"lgarskata Akademiya na Naukite, Sofia, Bulgaria
Citation
Simpozium po ovtsev"dstvo na balkanskite strani, 29.V.-1. VI. 1967, Ruse., 1970, pp 563 pp.

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