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Abstract

We aimed at the evaluating the occurrence of macrophages in rabbit semen and finding possible relationship between macrophage concentration and spermatozoa quality. The concentration of macrophages in semen samples from broiler rabbit males of lines M91 and P91 (n=30) without overt evidence of...

Author(s)
Kuželová, L.; Vašíček, J.; Rafay, J.; Chrenek, P.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2017, 97, pp 148-153
Abstract

The objective of this study was to assess the effect of different diluent type and storage time on the quality of rooster insemination doses in terms of the spermatozoa motility and apoptosis (in vitro) and spermatozoa fertility potential (in vivo). The motility parameters were significantly (P<0.001) higher in the spermatozoa diluted in saline solution than those diluted in avian diluent at each storage time (0.5, 1 and 2 hours). The proportion of apoptotic spermatozoa was significantly (P<0.05) higher in the semen samples diluted in the avian diluent in comparison to the semen samples diluted in the saline solution after 1 hour of storage. The proportion of dead spermatozoa was significantly (P<0.05) higher in avian diluent in comparison to the semen samples diluted in the saline solution after 2 hours of storage. The fertility of spermatozoa diluted in the avian diluent significantly (P<0.01) decreased 1 hour after the ejaculate collection. In conclusion, saline solution maintained better quality of rooster spermatozoa in terms of their motility values and the proportion of apoptotic and dead cells (...

Author(s)
Vasicek, J.; Kuzelova, L.; Kulikova, B.; Chrenek, P.
Publisher
Science Reviews 2000 Ltd, St Albans, UK
Citation
Avian Biology Research, 2015, 8, 1, pp 41-46
Abstract

The aim of this study was to verify whether the separation and elimination of the apoptotic fraction in rabbit semen using a MACS technique may improve sperm fertility potential and consequently rabbit kindling rate. Semen samples from 25 New ZealandWhite (NZW) rabbit males were collected using an ...

Author(s)
Vasicek, J.; Parkanyi, V.; Ondruska, L.; Makarevich, A.; Chrenek, P.
Publisher
Instytut Systematyki i Ewolucji Zwierząt PAN, Kraków, Poland
Citation
Folia Biologica (Kraków), 2011, 59, 1/2, pp 65-69
Abstract

Caffeine is a well-known sperm motility stimulator, however, its effects on cooling-stored ram semen are unknown. The aim of the study was to examine the effect of caffeine on selected motility and viability indices of cooling-stored ram spermatozoa. Sperm ejaculates from 4 rams were diluted (1:3)...

Author(s)
Špaleková, E.; Makarevich, A. V.; Kubovičová, E.; Ostró, A.; Chrenek, P.
Publisher
University of Veterinary and Pharmaceutical Sciences, Brno, Czech Republic
Citation
Acta Veterinaria Brno, 2014, 83, 1, pp 19-25
AbstractFull Text

The aim of our study was to compare the rabbit ejaculate quality during the year in term of the seasonal effect on the rabbit fertility. Semen samples from 25 bucks were collected using an artificial vagina throughout the year (5 collections in each season). Each sample of fresh ejaculate was...

Author(s)
Schneidgenová, M.; Vašíček, J.; Čupka, P.; Chrenek, P.
Publisher
Animal Production Research Centre (APRC) Nitra, Lužianky, Slovakia
Citation
Slovak Journal of Animal Science, 2011, 44, 2, pp 48-51
Abstract

The aim of the study was to compare the use of rapid thermoresistance test (sperm activity), CASA (sperm motility) analysis and morphology evaluation for predicting fertility of frozen-thawed ram semen following AI. The evaluation of the frozen-thawed semen from East-Friesian (EF) and Lacaune (Lc)...

Author(s)
Kubovičová, E.; Špaleková, E.; Makarevich, A. V.; Apolen, D.; Chrenek, P.; Hegedűšová, Z.
Publisher
Výzkumný Ústav pro Chov Skotu, Vikyrovice, Czech Republic
Citation
Výzkum v Chovu Skotu, 2011, 53, 3, pp 38-44

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