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Abstract

Artificial insemination (AI) with cooled stallion semen has increased markedly during the last decades in all countries, but fertility is often lower than when fresh semen or natural mating is used. The objective of this study was to examine field data (1634, cycles 523 Standardbred (SB) mares, 575 ...

Author(s)
Kareskoski, M.; Venhoranta, H.; Virtala, A. M.; Katila, T.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2019, 127, pp 7-14
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

Semen quality assessment requires accurate, reliable and objective methods for examination of sperm variables including sperm motility. For preparation of semen samples for artificial insemination, as a genetic resource, samples that are used for insemination need to have the capacity to result in...

Author(s)
Bompart, D.; Vázquez, R. F.; Gómez, R.; Valverde, A.; Roldán, E. R. S.; García-Molina, A.; Soler, C.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Animal Reproduction Science, 2019, 209, pp 106169
Abstract

Karan Fries is an Indian composite breed of cattle with superior milk production with a greater disease resistance than many other cattle. Understanding of the basic sperm and semen characteristics is necessary to develop the artificial insemination and sperm sexing methods. This study was...

Author(s)
Yata, V. K.; Gangwar, D. K.; Vishal Sharma; Dubey, S. K.; Yadav, S. K.; Suman Choudhary; Sudarshan Kumar; Mohanty, T. K.; Mohanty, A. K.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Animal Reproduction Science, 2020, 212, pp 106250
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
AbstractFull Text

Abstract: The work was performed as part of research on the development of new media for dilution and cryopreservation of seed of sheep in order to create a bank of producers of domestic and imported breeds. The studies were performed in a production environment. The object of research was the...

Author(s)
Bradu, N.
Publisher
Agricultural Academy of Bulgaria, Sofia, Bulgaria
Citation
Zhivotnov'dni Nauki / Bulgarian Journal of Animal Husbandry, 2019, 56, 5, pp 47-50
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

The aim of this study was to compare the embryonic developmental rates in the Southern African cattle breeds. To do this, cryopreserved semen straws from Nguni, Bonsmara, and Boran bulls were thawed at 38°C and evaluated for sperm motility characteristics using Sperm Class Analyser (SCA). The...

Author(s)
Mapeka, M. H.; Pilane, C. M.; Treadwell, R.; Ng'ambi, J.; Banga, C.
Publisher
Academic Journals, Lagos, Nigeria
Citation
African Journal of Biotechnology, 2019, 18, 30, pp 962-969
Abstract

BACKGROUND: Lipid peroxidation (LPO) due to oxidative stress leads to structural and functional changes in spermatozoa. OBJECTIVE: To evaluate any association of various seminal characteristics at the pre- and post-cryopreservation stages with LPO and total antioxidant capacity (TAC) in Murrah...

Author(s)
Amarjeet Bisla; Rupali Rautela; Vinay Yadav; Ngou, A. A.; Abhishek Kumar; Ghosh, S. K.; Sadhan Bag; Srivastava, N.
Publisher
CryoLetters, London, UK
Citation
CryoLetters, 2021, 42, 1, pp 33-38

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