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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
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 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
Abstract

The article presents data on the sires of Holstein Black-and-White breed (n=9) aged 4-5 years. During 3 years of the study 6742 ejaculates were analyzed with the research the level of their distribution according to the number of spermatozoa: up to 1.5 billion; 1.6-2.0 billion; 2.1-3.0 billion;...

Author(s)
Abilov, A. I.; Yanchukov, I. N.; Turbina, I. S.; Kombarova, N. A.; Korneenko-Zhilyaev, Y. A.; Vinogradova, I. V.
Publisher
Redaktsiya zhurnala Zootekhniya, Moscow, Russia
Citation
Zootekhniya, 2018, No.1, pp 28-31
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
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

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
AbstractFull Text

Enzyme system NADH-Tetrazolium Reductase can be used as a marker for the functional status of mitochondria. Its activity gives us information about the intracellular oxidation, and its quantitative characteristics are expressed by mean cytochemical coefficient (MCC). The aims of this study were to...

Author(s)
Stefanov, R.; Chervenov, M.; Georgiev, B.; Kacheva, D.; Taushanova, P.; Kistanova, E.; Sabev, M.
Publisher
University "Ss Cyril and Methodius" in Skopje, Faculty of Veterinary Medicine in Skopje, Skopje, Republic of Macedonia
Citation
Book of Proceedings, Days of Veterinary Medicine 2012, 3rd International Scientific Meeting, Macedonia, 2-4 September 2012, 2012, pp 262-264
Abstract

This paper aimed at investigating the potential use of sperm DNA fragmentation (SDF) to improve the routine screening of infertility of Holstein bulls. Cryopreserved sperm samples from 201 Holstein bulls provided by an AI center were used in the analyses of SDF at 0 (SDF_0) and 6 (SDF_6) h of...

Author(s)
Karoui, S.; Díaz, C.; González-Marín, C.; Amenabar, M. E.; Serrano, M.; Ugarte, E.; Gosálvez, J.; Roy, R.; López-Fernández, C.; Carabaño, M. J.
Publisher
American Society of Animal Science, Savoy, USA
Citation
Journal of Animal Science, 2012, 90, 8, pp 2437-2449

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