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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

Artificial insemination (AI) is widely used in farm animals for efficient utilization of superior males. However, AI is not being used in camels due to various difficulties involved in the process. In an attempt to develop the technology in camels, the present study was carried out to assess the...

Author(s)
Cholakkal, I. K.
Publisher
Indian Council of Agricultural Research, New Delhi, India
Citation
Indian Journal of Animal Sciences, 2019, 89, 1, pp 25-29
Abstract

In cattle artificial insemination plays not only a vital role in the successful establishment of pregnancy, which is a prerequisite for initiation of the subsequent lactation, but also in accelerating genetic improvement and facilitating the distribution of semen from genetically elite sires. The...

Author(s)
Diskin, M. G.
Publisher
Cambridge University Press, Cambridge, UK
Citation
Animal, 2018, 12, s1, pp s75-s84
Abstract

Objective: To determine if insemination site or pre-ovulatory follicle diameter at fixed-time artificial insemination (FTAI) affects the odds of pregnancy when heifers are inseminated with sexed semen. Methods: The study was conducted in 422 Holstein heifers enrolled into 531 inseminations. ...

Author(s)
Ingenhoff, L.; Hall, E.; Ni, S. R.; House, J. K.
Publisher
Wiley, Melbourne, Australia
Citation
Australian Veterinary Journal, 2017, 95, 9, pp 317-324
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

This study evaluated the efficiency of a post-thaw diluent on the conception rate of timed artificial insemination (TAI), on the in vitro embryo production (IVEP), the fertilization rate and the computerized semen analysis. In the execution of all the techniques, semen straws of a single bull with...

Author(s)
Rosa, C. O.; Bonato, D. V.; Souza, A. K.; Morotti, F.; Francisco, R. C.; Basso, A. C.; Martins, M. I. M.; Seneda, M. M.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Livestock Science, 2019, 221, pp 77-81
Abstract

In this study, we examined the locational effect (left or right ovary) of the preovulatory follicle (PF) on fertility in dairy heifers. In total, 1,111 artificial inseminations (AI) were analyzed. At AI, PF locations were examined using rectal palpation, and heifers were divided into two groups on...

Author(s)
Miura, R.; Izumi, T.
Publisher
Wiley, Tokyo, Japan
Citation
Animal Science Journal, 2018, 89, 2, pp 328-331
Abstract

An experiment was designed to compare fertility of SexedULTRA 4 MTM sex-sorted semen and conventional, non-sex-sorted semen following either fixed-time artificial insemination (FTAI) or split-time artificial insemination (STAI) of mature suckled beef cows. Units of sex-sorted and conventional semen ...

Author(s)
Thomas, J. M.; Locke, J. W. C.; Bonacker, R. C.; Knickmeyer, E. R.; Wilson, D. J.; Vishwanath, R.; Arnett, A. M.; Smith, M. F.; Patterson, D. J.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2019, 123, pp 100-107
Abstract

To assess the reproductive performance of cows/heifers in smallholder dairy farms, retrospective and longitudinal studies based on artificial insemination were conducted. The recommended basic AI procedures were kept and applied for study animals. In the longitudinal study 86.4% of the dairy cattle ...

Author(s)
Jemal, H.; Lemma, A.; Bekana, M.
Publisher
CIPAV Foundation, Cali, Colombia
Citation
Livestock Research for Rural Development, 2016, 28, 5, pp Article 81
Abstract

The objective of this study was to compare conception rates of female beef cattle inseminated at a fixed-time with either conventional (CON) or SexedUltraTM sex-sorted (SU) semen. Treatments included CON or SU with two sires represented within each treatment. Cows (n=316) and heifers (n=78) from...

Author(s)
Crites, B. R.; Vishwanath, R.; Arnett, A. M.; Bridges, P. J.; Burris, W. R.; McLeod, K. R.; Anderson, L. H.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2018, 118, pp 126-129

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