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Abstract

This study aimed to assess characteristics of bovine cryopreserved sperm and evaluate its relation to field fertility in fixed-time artificial insemination (FTAI). Semen samples of 16 bulls were used to inseminate 811 Nellore cows, and four of these bulls were also used to inseminate 101 Nellore...

Author(s)
Okano, D. S.; Penitente Filho, J. M.; León, V. E. G.; Maitan, P. P.; Silveira, C. O.; Waddington, B.; Díaz-Miranda, E. A.; Costa, E. P. da; Guimarães, S. E. F.; Guimarães, J. D.
Publisher
Wiley, Berlin, Germany
Citation
Reproduction in Domestic Animals, 2019, 54, 3, pp 604-612
Abstract

Many attempts have been made to identify laboratory tests that are predictive of sperm fertility, both to improve the quality of stallion semen doses for artificial insemination (AI) and to identify potential breeding sires if no fertility data are available. Sperm quality at the stud is mostly...

Author(s)
Morrell, J. M.; Stuhtmann, G.; Meurling, S.; Lundgren, A.; Winblad, C.; Garcia, B. M.; Johannisson, A.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2014, 81, 8, pp 1005-1011
Abstract

Two experiments were conducted to compare the effectiveness of different extenders conventionally used for semen cryopreservation to maintain the viability and fertility of cooled bull semen. In Experiment 1, sperm samples obtained from 20 Nellore bulls were preserved at 5°C for 48 h using two...

Author(s)
Crespilho, A. M.; Nichi, M.; Guasti, P. N.; Freitas-Dell'Aqua, C. P.; SáFilho, M. F.; Maziero, R. R.; Dell'Aqua Júnior, J. A.; Papa, F. O.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Animal Reproduction Science, 2014, 146, 3/4, pp 126-133

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