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Abstract

Objective: To evaluate effect of tris-extender supplemented with various concentrations of strawberry (Fragaria spp.) on bull semen preservability. Methods: Pooled bull semen were extended with tris-citrate-fructose egg yolk diluent (control, 0% strawberry) and various concentrations of tris...

Author(s)
El-Sheshtawy, R. I.; El-Nattat, W. S.
Publisher
Hainan Medical University, Haikou, China
Citation
Asian Pacific Journal of Reproduction, 2018, 7, 2, pp 93-96
Abstract

The activity of sperm cells after thawing depends on the ratio of reactive oxidant species and antioxidant system. The aim of the present study was to evaluate the effect of catalase (alone or combined with tryptophan as antioxidants) added to the extender on the livability of cryopreserved cattle...

Author(s)
El-Sheshtawy, R. I.; El-Nattat, W. S.; Sabra, H. A.
Publisher
IDOSI Publications, Dubai, United Arab Emirates
Citation
Global Veterinaria, 2013, 11, 3, pp 280-284
Abstract

The fertility of semen diluted in Tris egg yolk and diluted in glycerol-based soya lecithin (Biociphos) extenders was compared using 24 ejaculates from 4 Holstein-Friesian bulls. It was shown that although the mean pre-freezing sperm motility was identical (72.92±1.68 vs. 72.50±2.78%), post-thaw...

Author(s)
Sanjeevkumar Patil; Honnappagol, S. S.; Arora, V. K.; Tandle, M. K.
Publisher
Indian Veterinary Association, Chennai, India
Citation
Indian Veterinary Journal, 2008, 85, 2, pp 219-220
Abstract

Objective: To explore the effect of silymarin on bull spermatozoa during cooling and cryopreservation. Methods: Pooled bull semen were diluted by Tris-Citrate-Fructose egg yolk diluents, purified silymarin powder (obtained from the milk thistle silybum marianum), purchased from Unipharma, Al Obour...

Author(s)
El-Sheshtawy, R. I.; El-Nattat, W. S.
Publisher
Hainan Medical University, Haikou, China
Citation
Asian Pacific Journal of Reproduction, 2017, 6, 2, pp 81-84