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Abstract

Artificial insemination has been a landmark procedure in improving animal agriculture over the past 150 years. The utility of artificial insemination has facilitated a rapid improvement in animal genetics across agricultural species, leading to improvements of growth, health and productivity in...

Author(s)
Bromfield, J. J.
Publisher
Cambridge University Press, Cambridge, UK
Citation
Animal, 2018, 12, s1, pp s104-s109
Abstract

The objective of the present study was to evaluate the effects of clinical mastitis at the beginning of lactation on reproductive performance of dairy cows in Algeria. Calving to first insemination and calving to conception intervals, number of insemination per conception and conception rate at the ...

Author(s)
Bouamra, M.; Ghozlane, F.; Ghozlane, M. K.
Publisher
Academic Journals, Lagos, Nigeria
Citation
African Journal of Biotechnology, 2017, 16, 2, pp 91-95
Abstract

Artificial insemination is beginning to find its place in Algerian dairy cattle farms. The bovine artificial insemination (AI) assessments for a three-year period in the semi-arid wilaya of Sétif on 4 855 insemination acts carried out by 5 inseminators in 3 664 cows of 5 different breeds belonging...

Author(s)
Mouffok, C.; Allouni, A.; Semara, L.; Belkasmi, F.
Publisher
CIPAV Foundation, Cali, Colombia
Citation
Livestock Research for Rural Development, 2019, 31, 4, pp Article 49
Abstract

The use of artificial insemination in cows makes possible breeding of superior animals, which are known as enhancer individuals. However, the major limitation for its expansion has been the necessity for estrus detection. Thus, programs of fixed time artificial insemination (FTAI), without the...

Author(s)
Cavalieri, F. L. B.; Colombo, A. H. B.; Andreazzi, M. A.; Gonçalves, É. A.
Publisher
Universidade Federal do Paraná, UFPR, Palotina, Brazil
Citation
Archives of Veterinary Science, 2016, 21, 1, pp 25-31
Abstract

Brazil has a large flock of sheep, with about 18.41 million heads. Genetic improvement is a way to increase farm productivity, with fixed-time artificial insemination (TAI) being used for this purpose. Therefore, the objective of this study was to evaluate the interval between estrus manifestation...

Author(s)
Farias, L. B.; Maffi, A. S.; Luz, G. B.; Brauner, C. C.
Publisher
Veterinaria Organizacion S.L., Malaga, Spain
Citation
REDVET, 2018, 19, 7, pp 071806
Abstract

The principle of ovsynch-timed artificial insemination and the methods and reproductive application of estrus synchronization and ovsynch-timed artificial insemination in dairy cattle were summarized. Accurate and timely estrus detection of dairy cattle in their estrus cycle was the foundation for ...

Author(s)
Zhao MingLi; Zhang Shen; Hao HaiSheng; Zhao XueMing; Du WeiHua; Wang Dong; Zhu HuaBin
Publisher
Guoji Shudian (Institute of Scientific and Technological Information of China, China Publications Centre), Beijing, China
Citation
Chinese Journal of Animal Science, 2015, 51, 17, pp 80-86
Abstract

A prognosis of the likelihood of insemination success is valuable information for the decision to start inseminating a cow. This decision is important for the reproduction management of dairy farms. The aim of this study was to develop a prognostic model for the likelihood of successful first ...

Author(s)
Rutten, C. J.; Steeneveld, W.; Vernooij, J. C. M.; Huijps, K.; Nielen, M.; Hogeveen, H.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2016, 99, 8, pp 6764-6779
Abstract

Completing of modern dairy complexes and farms an import livestock demands large financial investments and also creates problems of adaptation of the delivered animals to local climatic conditions that affects further their health and efficiency. For development of dairy cattle breeding and...

Author(s)
Lyashenko, V. V.; Uryadov, P. N.; Kaeshova, I. V.; Gubina, A. V.
Publisher
Redaktsiya zhurnala Zootekhniya, Moscow, Russia
Citation
Zootekhniya, 2018, No.10, pp 18-21
Abstract

The objective of this study was to develop a simulation model to analyse the technical, economic, and financial performance of using different reproductive strategies in dairy herds. Strategies simulated were: artificial insemination (AI) using conventional semen after oestrus detection (AIC), AI...

Author(s)
Ojeda-Rojas, O. A.; Gonella-Diaza, A. M.; SáFilho, M. F. de; Nunes, R.; Gameiro, A. H.
Publisher
Sociedade Brasileira de Zootecnia, Viçosa, Brazil
Citation
Revista Brasileira de Zootecnia, 2018, 47, pp e20170344
Abstract

This study compared the effects of natural mating and artificial insemination using frozen buck semen on reproductive performance in Alpine goats. Sixty reproductive Alpine goats were grouped according to natural mating (n=30) and artificial insemination (n=30) breeding methods. Oestrus was...

Author(s)
Agossou, D. J.; Koluman, N.
Publisher
Copernicus Gesellschaft mbH, Gottingen, Germany
Citation
Archives Animal Breeding, 2018, 61, 4, pp 459-461

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