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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

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

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
Abstract

Ex situ conservation breeding for species recovery often must address small founder number. Here we investigated the long-term effects of small founder size in the endangered black-footed ferret Mustela nigripes using 20 years of reproductive data. Specifically, we studied seminal traits, pregnancy ...

Author(s)
Santymire, R. M.; Lonsdorf, E. V.; Lynch, C. M.; Wildt, D. E.; Marinari, P. E.; Kreeger, J. S.; Howard, J. G.
Publisher
Wiley, Oxford, UK
Citation
Animal Conservation, 2019, 22, 4, pp 331-340
Abstract

The ability to produce viable progeny is a complex trait, involving both male and female components. In poultry, mating ratios are usually 1 male to 6 to 12 females. Consequently, the impact of male reproductive failure is much greater than that for a female. In this study, the genetic...

Author(s)
Wolc, A.; Arango, J.; Settar, P.; Fulton, J. E.; O'Sullivan, N. P.; Dekkers, J. C. M.
Publisher
Oxford University Press, Oxford, UK
Citation
Poultry Science, 2019, 98, 7, pp 2729-2733
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

The economic impact of selection for semen traits on pig production systems and potential interaction with artificial insemination (AI) technique and semen dose remains partially understood. The objectives of this study were to compare the financial indicators (gross return, net profit, cost) in a...

Author(s)
Gonzalez-Pena, D.; Knox, R. V.; Rodriguez-Zas, S. L.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2016, 85, 2, pp 335-344
AbstractFull Text

The aim of this study was to detect the genetic polymorphism within the growth hormone gene Alu 1 locus in both Egyptian river buffalo and Holstein bulls using PCR-RFLP technique. The study was conducted on a total of 64 bulls which included 34 Egyptian buffalo bulls and 30 Holstein bulls. All the...

Author(s)
Darwish, S. F.; Tarek, S. H.; Badr, M. R.
Publisher
Faculty of Veterinary Medicine, Alexandria University, Behira, Egypt
Citation
Alexandria Journal of Veterinary Sciences, 2016, 49, 1, pp 147-152
Abstract

The Indochinese leopard (Panthera pardus delacouri) population, included in CITES Appendix I, has been declining for decades. Proper gamete preservation condition is critical for breeding programme management using artificial insemination or in vitro fertilization (IVF). The present study aimed at...

Author(s)
Thuwanut, P.; Tipkantha, W.; Siriaroonrat, B.; Comizzoli, P.; Chatdarong, K.
Publisher
Wiley, Berlin, Germany
Citation
Reproduction in Domestic Animals, 2017, 52, s2, pp 269-274
Abstract

Bothrops insularis is an endemic and critically endangered snake with an estimated population of 2000 individuals restricted to Queimada Grande Island, in southeastern Brazil. Brazilian researchers established a captive breeding program for the species that includes the application of assisted...

Author(s)
Silva, K. B.; Zogno, M. A.; Camillo, A. B.; Pereira, R. J. G.; Almeida-Santos, S. M.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Animal Reproduction Science, 2015, 163, pp 144-150

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