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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

The first semen production of 29 young genomic Holstein bulls was analyzed in a continuous spermatological screening. Bulls were housed under identical conditions at the RBB AI stud in Brandenburg, Germany. With most of the bulls a production of high quality frozen semen was possible from an age of ...

Author(s)
Osmers, J. H.; Herrmann, C.
Publisher
Eugen Ulmer KG, Stuttgart, Germany
Citation
Züchtungskunde, 2017, 89, 1, pp 9-21
Abstract

Five hundred and ninety five frozen semen samples of crossbred Jersey bulls were subjected to frozen semen evaluation tests such as postthaw motility, post-thaw incubation survival, hypo-osmotic swelling and acrosome integrity to study the effects of non-genetic factors namely farms, ejaculate...

Author(s)
Gopinathan, A.; Sivaselvam, S. N.; Karthickeyan, S. M. K.; Kulasekar, K.
Publisher
Indian Veterinary Association, Chennai, India
Citation
Indian Veterinary Journal, 2017, 94, 10, pp 48-51
Abstract

This study was performed to predict fertility of bull sperm during in vitro fertilization (IVF) and artificial insemination (AI) according to its kinetics parameters. The sex-sorted sperm from 3 Holstein bulls were estimated with computer assisted sperm analysis system (CASA). Moreover, the IVF and ...

Author(s)
Hu TingXi; Liu Xia; Sun WeiJun; Hao HaiSheng; Zhao XueMing; Wang ZongLi; Du WeiHua; Zhu HuaBin
Publisher
Guoji Shudian (Institute of Scientific and Technological Information of China, China Publications Centre), Beijing, China
Citation
Acta Veterinaria et Zootechnica Sinica, 2016, 47, 8, pp 1727-1732
Abstract

Sixty ejaculates each from young (2.5-3 yr, n=5) and old (6-8 yr, n=5) Jersey bulls were evaluated for fresh and post thaw semen characteristics. The old bulls had higher (p<0.05) ejaculate volume, spermatozoa per ejaculate and abnormal spermatozoa. Various post thaw semen parameters viz....

Author(s)
Bhatt, P.; Tiwari, R. P.; Jaiswal, V. K.
Publisher
Indian Society for Study of Animal Reproduction (ISSAR), Chennai, India
Citation
Indian Journal of Animal Reproduction, 2016, 37, 1, pp 50-51
Abstract

Sperm quality is evaluated for the calculation of sperm dosage in artificial reproductive programs. The most common parameter used is motility, but morphology has a higher potential as a predictor of genetic quality. Morphometry calculations from CASA-Morph technology improve morphological...

Author(s)
Valverde, A.; Arenán, H.; Sancho, M.; Contell, J.; Yániz, J.; Fernández, A.; Soler, C.
Publisher
Medknow Publications, Mumbai, India
Citation
Asian Journal of Andrology, 2016, 18, 6, pp 851-857
AbstractFull Text

These proceedings present 34 abstract of papers submitted at the 3rd International Scientific Conference "Animal Biotechnology", held in Nitra, Slovak Republic, 10 December 2015. Topics of papers focused on genetics, reproduction and on the development, progress and application of biotechnology on...

Publisher
Animal Production Research Centre (APRC) Nitra, Lužianky, Slovakia
Citation
Slovak Journal of Animal Science, 2015, 48, 4, pp 181-194
AbstractFull Text

To improve the preservability of low grade ejaculates Sephadex and Sephadex ion-exchange, filtration was tried. The study was conducted on split samples of 22 ejaculates of seven Karan Fries bulls maintained at Artificial Breeding Research Centre, NDRI, Karnal, Haryana. The collected ejaculates...

Author(s)
Mukesh Bhakat; Mohanty, T. K.; Gupta, A. K.; Mohanty, A. K.; Muzamil Abdullah
Publisher
Nexus Academic Publishers (NAP), Lahore, Pakistan
Citation
Advances in Animal and Veterinary Sciences, 2014, 2, 11, pp 625-631
AbstractFull Text

The project was conducted in Livestock Central Research Institute. In the experiment 9 head Holstein bulls were used as project material. Bulls were split into groups of three heads as one control (40 mg/kg) and 2 different levels of zinc groups (150 mg/kg, group 1; 200 mg/kg, group 2) randomly by...

Author(s)
Ünay, E.; Yaman, S.; Kİnet, H.; Tuncer, P. B.; Büyükleblebİcİ, S.; Karakaș, V.
Publisher
Hayvancılık Merkez Araștırma Enstitüsü Müdürlüğü, Ankara, Turkey
Citation
Lalahan Hayvancılık Araștırma Enstitüsü Dergisi, 2014, 54, 1, pp 1-7
AbstractFull Text

This study was aimed to investigate the effects of omega-3, 6, 9 fatty acids on the characteristics of bovine chilled and frozen-thawed semen. For this purpose, oil containing different levels of omega-3, 6, 9 fatty acids were added to semen extender. To emulsify the oil in semen extender,...

Author(s)
Kandelousi, M. A. S.; Arshami, J.; Naserian, A. A.; Abavisani, A.
Publisher
Faculty of Veterinary Medicine, University of Tripoli, Tripoli, Libya
Citation
Open Veterinary Journal, 2013, 3, 1, pp 47-52

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