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Abstract

The recent field trials indicate that acceptable fertility with frozen semen may not differ significantly from the fertility of commercial fresh-chilled semen. The success rate of insemination is considered to be result of the interaction of three major factors: (1) the quality of frozen-thawed...

Author(s)
Horváth, A.; Szenci, O.
Publisher
Herman Ottó Institute Nonprofit Ltd., Budapest, Hungary
Citation
Magyar Állatorvosok Lapja, 2018, 140, 6, pp 323-331
AbstractFull Text

A cross sectional study was conducted from November 2015 to May 2016 with the objective of assessing the problems associated with artificial insemination service in dairy cattle in five selected peasant associations of Tullo district, west Hararghe, Ethiopia. A structured questionnaire was used for ...

Author(s)
Riyad Juneyid; Anwar Hassen; Jelalu Kemal; Kiros Welay
Publisher
Ethiopian Veterinary Association, Addis Ababa, Ethiopia
Citation
Ethiopian Veterinary Journal, 2017, 21, 2, pp 62-74
Abstract

Cytogenetic studies of mares are widely used in practice (in case of embryonic death this is a mandatory test) in countries with developed horse breeding. Genetic evaluation of Equus caballus is also widely performed. Nevertheless, in the available literature, we could not find publications on the...

Author(s)
Tkachev, A. V.; Tkacheva, O. L.; Rossokha, V. I.
Publisher
Agricultural Biology Editorial Office, NPO, Moscow, Russia
Citation
Sel'skokhozyaĭstvennaya Biologiya, 2018, 53, 2, pp 302-308
AbstractFull Text

The objective of this study was to evaluate the reproductive performance of gilts subjected to post-cervical artificial insemination (PCAI) compared to traditional artificial insemination (TAI). We also evaluated the degree of difficulty in bypassing the cervix, time required to perform the ...

Author(s)
Ternus, E. M.; Vanz, A. R.; Lesskiu, P. E.; Preis, G. M.; Serafini, L.; Consoni, W.; Traverso, S. D.; Cristani, J.
Publisher
FEPMVZ - Editora, Belo Horizonte, Brazil
Citation
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2017, 69, 4, pp 777-784
AbstractFull Text

The effects parity, herd production level, number of cows per herd, insemination season and lactation stage on the relationships between daily milk and first insemination success of 55 685 cows were examined. The statistical analysis was performed using the χ2 test and the decision tree technique....

Author(s)
Siatka, K.; Sawa, A.; Piwczyński, D.; Bogucki, M.; Krężel-Czopek, S.
Publisher
Polish Academy of Sciences, Institute of Genetics and Animal Breeding, Jastrzebiec, Poland
Citation
Animal Science Papers and Reports, 2018, 36, 3, pp 275-285
Abstract

The reproductive performance of heifers within their first breeding season influences the success of beef cattle operations. Therefore, a means to identify infertile and late breeding heifers before the start of the breeding season holds great promise for the future of the beef industry. Pubertal...

Author(s)
Dickinson, S. E.; Biase, F. H.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Data in Brief, 2018, 18, pp 706-709
AbstractFull Text

The effects of three insemination protocols were evaluated on the reproductive performance in 249 British and crosses beef heifers, mated to the 14 or 27 months of age. Sixty two heifers with 27 months were submitted to FTAI after the treatment OvSynch; 61 heifers with 27 months and 32 heifers with ...

Author(s)
Gottschall, C.; Bittencourt, H. R.; Mattos, R. C.; Gregory, R. M.
Publisher
Universidade Luterana do Brasil, Canoas, Brazil
Citation
Veterinaria em foco, 2018, 15, 2, pp 3-18
Abstract

Objective: To determine the pregnancy rate (PR) in goats with natural and synchronized estrus after artificial insemination (AI) by frozen semen during breeding season. Methods: The experiment was carried out with 89 Bulgarian White milk goats divided as follows: group I (n=54) animals with natural ...

Author(s)
Yotov, S. A.; Velislavova, D. V.; Dimova, L. R.
Publisher
Hainan Medical University, Hainan, China
Citation
Asian Pacific Journal of Reproduction, 2016, 5, 2, pp 144-147
AbstractFull Text

In Brazil, about 5% of the cattle herd reproduces through artificial insemination (AI) biotechnology. The success of AI depends on factors inherent to the female, inherent to the semen and the inseminator's ability. Among the factors inherent to the female are: body score, health status,...

Author(s)
Gomes, D. S.; Bezerra, S. T. da C. S.; Silva, L. R. da
Publisher
Universidade Estadual do Ceará, Faculdade de Veterinaria, Ceará, Brazil
Citation
Ciência Animal, 2019, 29, 1, pp 37-44
AbstractFull Text

In this study, it was aimed to determine whether there was an effect on fertility of the temperament and behaviour patterns of heifers and cows during artificial insemination (AI). The animal material was provided from different farms. 45 heifers and 112 fertile cows used in this study. Animals...

Author(s)
Karasoy, M. E.; Akçay, E.
Publisher
Hayvancılık Merkez Araștırma Enstitüsü Müdürlüğü, Ankara, Turkey
Citation
Lalahan Hayvancılık Araștırma Enstitüsü Dergisi, 2018, 58, 1, pp 14-21

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