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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
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
Abstract

Between the years 2013 and 2016 were used 31 crossbred cows of Gir and Dutch races, at different stages of gestation, multipara aged 4 and 8 years and body condition score (BCS) average 3 on a scale that ranged from 1 to 5 (1 very lean and 5 very fat) of the Federal Rural University of milk cattle...

Author(s)
Andrade, R. B. de; Silva, V. C. F. da; Silva, A. F. da; Caldas, S. A.; Costa, O. M. da; Abidu-Figueiredo, M.; Palhano, H. B.
Publisher
Sociedade de Medicina Veterinária do Estado do Rio de Janeiro, Rio de Janerio, Brazil
Citation
Brazilian Journal of Veterinary Medicine, 2017, 39, 1, pp 7-19
Abstract

There is various techniques of artificial insemination, but are not yet applied routinely in sheep. The cervical insemination is quick and simple. Laparoscopy requires specialized technical and more work. artificial insemination using simultaneous estrus synchronization provides higher...

Author(s)
Santana, M. das V.; Martins, G. H. C.; Porfirio, K. de P.; Soares, F. F. F.; Teixeira, L. S. de A.; Sousa, J. D. R. de; Paula, N. R. de O.; Mineiro, A. L. B. B.
Publisher
Colégio Brasileiro de Reprodução Animal, Belo Horizonte, Brazil
Citation
Revista Brasileira de Reprodução Animal, 2016, 40, 4, pp 467-468
AbstractFull Text

The thermal comfort of crossbred dairy cows prior to artificial insemination and the relation with the conception rate were evaluated. This study was carried out in Uberlândia, Minas Gerais, Brazil, characterized by a dry winter and a rainy summer, in which was used 112 crossbred dairy cows, whose...

Author(s)
Hooper, H. B.; Salomão, D. de O. S.; Ayres, G. F.; Titto, C. G.; Santos, R. M. dos; Nascimento, M. R. B. de M.
Publisher
Pontificia Universidade Católica do Paraná, São José dos Pinhais, Brazil
Citation
Revista Acadêmica: Ciência Animal, 2018, 16, Special edition, pp e161006
AbstractFull Text

The present research aimed at determining insemination dose for artificial fertilization of common carp, and record images and time in the development of each embryonic stage of the species in equatorial latitude. The fertilization rate increased linearly up to the proportion of 208.295...

Author(s)
Linhares, F. R. A.; Leite, J. S.; Ferreira, Y. M.; Almeida-Monteiro, P. S. de; Pinheiro, R. R. R.; Montenegro, A. R.; Salmito-Vanderley, C. S. B.
Publisher
Universidade Estadual do Ceará, Faculdade de Veterinaria, Ceará, Brazil
Citation
Ciência Animal, 2018, 28, 3, pp 37-44
Abstract

This study aimed to characterize the profile of milk cattle farmers of the Northwest region of Minas Gerais State regarding the use of artificial insemination (AI) and see the most relevant factors in the perception of farmers for the adoption process of AI. From January to April 2014, 97 milk...

Author(s)
Cunha, J. C. da; Araújo, I. C. S. de; Resende Filho, N. J.; Carvalho, G. R. de
Publisher
Sociedade Brasileira de Zootecnia, Viçosa, Brazil
Citation
Revista Brasileira de Zootecnia, 2018, 47, pp e20170196
Abstract

A number of reproductive biotechnologies are currently available to multiply offspring from high genetic merit animals to enhance reproductive efficiency and profitability both in dairy and beef herds. Some of these technologies such as fixed time artificial insemination (FTAI), when correctly...

Author(s)
Baruselli, P. S.; Souza, A. H. de; SáFilho, M. F. de; Marques, M. O.; Sales, J. N. de S.
Publisher
Colégio Brasileiro de Reprodução Animal, Belo Horizonte, Brazil
Citation
Animal Reproduction (Belo Horizonte), 2018, 15, 3, pp 247-255
Abstract

The aim of this study was to evaluate the peak in luteinizing hormone (LH) and the pregnancy rate of sheep (Texel × Santa Inês) in the tropics using short- (6 days) and long-term (12 days) progesterone protocols followed by artificial insemination (AI) both in and out of the breeding season....

Author(s)
Soriano, G. A. M.; Ruediger, F. R. de; Zundt, M.; Gomes, M. A. da C. N.; Souza, L. F. A. de; Giometti, I. C.; Nogueira, G. de P.; Zanelli, G. R.; Rego, F. C. de A.; Castilho, C.
Publisher
Wiley, Tokyo, Japan
Citation
Animal Science Journal, 2018, 89, 9, pp 1245-1252
AbstractFull Text

The artificial insemination in fixed time (AIFT) is in a reproductive biotechnology that aims to increase reproductive efficiency of livestock by means of induction and synchronization of ovulation in females by hormonal protocols. The objective of this study was to review the literature on the...

Author(s)
Peixoto Junior, K. da C.; Trigo, Y.
Publisher
PubVet, Maringá, Brazil
Citation
PUBVET, 2015, 9, 1, pp 45-51

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