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Abstract

The research work was carried out to evaluate the effects of age and breed on semen quality of beef bull sires. The experimental site was located at Singosari National Artificial Insemination Center, Malang, Indonesia. A total of 180 ejaculate semen which were collected from 9 beef bull sires (3...

Author(s)
Isnaini, N.; Wahjuningsih, S.; Ma'ruf, A.; Witayanto, D. A.
Publisher
CIPAV Foundation, Cali, Colombia
Citation
Livestock Research for Rural Development, 2019, 31, 5, pp Article 78
Abstract

In the current era of genomic selection, there is an increased demand to collect semen from genomically selected sires at a young age. The objective of this study was to assess the effect of bull age, ejaculate number, and season of collection on semen production (ejaculate volume, sperm...

Author(s)
Murphy, E. M.; Kelly, A. K.; O'Meara, C.; Eivers, B.; Lonergan, P.; Fair, S.
Publisher
Oxford University Press, Cary, USA
Citation
Journal of Animal Science, 2018, 96, 6, pp 2408-2418
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

This study evaluated the effects of rainy and dry seasons on semen quality of bulls at Ungaran artificial insemination center. The semen was collected twice a week from one Ongole crossbred and one Simmental bulls, both at 5 years old, totaling 198 semen collections (99 of each bull). The results...

Author(s)
Isnaini, N.; Wahjuningsih, S.; Adhitama, E.
Publisher
CIPAV Foundation, Cali, Colombia
Citation
Livestock Research for Rural Development, 2019, 31, 2, pp Article 16
Abstract

Mammalian sperm are exposed to a natural hypoosmotic environment during male-to-female reproductive tract transition; although this activates sperm motility in vivo, excessive swelling can harm sperm structure and function. Aquaporins (AQPs) is a family of membrane-channel proteins implicated in...

Author(s)
Kasimanickam, R. K.; Kasimanickam, V. R.; Arangasamy, A.; Kastelic, J. P.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2017, 89, pp 162-168
Abstract

Little is known of the genetic variability in semen quality traits in cattle and their inter-relationships. The objective of the present study was to estimate genetic parameters for a range of semen quality measures. The data consisted of 35,573 ejaculates from 787 artificial insemination bulls of...

Author(s)
Berry, D. P.; Eivers, B.; Dunne, G.; McParland, S.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2019, 123, pp 202-208
AbstractFull Text

Male calves from the high value parents, bull fathers and bull dams, enter the selection for artificial insemination. After laboratory tests, the calves are taken to the center for artificial insemination, and after a stay in quarantine the are moved to a test station. At the age of twelve months...

Author(s)
Prka, I.; Ðorđević, B.
Publisher
Veterinarska Komora Srbije (Veterinary Chamber of Serbia), Beograd, Serbia
Citation
Veterinarski Glasnik, 2014, 68, 5/6, pp 311-322
Abstract

Increasing use of fixed-time artificial insemination (FTAI) in beef cattle production has presented an opportunity for the use of fresh or chilled semen as an alternative to standard cryopreserved semen. The objective of this study was to examine in vitro sperm function and pregnancy rate of...

Author(s)
Satake, N.; Edwards, S. A. A.; Tutt, D.; McGowan, M. R.; Boe-Hansen, G. B.
Publisher
Wiley, Berlin, Germany
Citation
Reproduction in Domestic Animals, 2018, 53, 2, pp 414-422
Abstract

The objectives were to evaluate the effects of sire and content of fresh or ionised egg yolk in extenders on sperm motility and share of live and dead sperm in collected ejaculate, in thawed artificial insemination (AI) doses, and during thermodynamic testing compared to extenders not containing...

Author(s)
Beran, J.; Stádník, L.; Bezdíček, J.; Louda, F.; Čítek, J.; Ducháček, J.
Publisher
Leibniz Institute for Farm Animal Biology, Dummerstorf, Germany
Citation
Archiv Tierzucht, 2012, 55, 3, pp 207-218
AbstractFull Text

A dilutor was elaborated with prickly pear (Opuntia sp.) juice to dilute and cryopreserve bovine semen, and to evaluate it, was compared with two commercial dilutors: Triladyl® and BoviPRO®. Three Holstein adult bulls were used, from which semen was collected with an artificial vagina. The...

Author(s)
Vergara-Soto, S.; Germán-Alarcón, C. G.; Sosa-Pérez, G.; Cortez-Romero, C.; Gallegos-Sánchez, J.; Ruiz-Vera, V. M.; Cadena-Villegas, S.
Publisher
Colegio de Postgraduados, Texcoco, Mexico
Citation
Agroproductividad, 2017, 10, 2, pp 82-86

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