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Addition of L-Cysteine and Vitamin E to Semen Diluent Enhances Freeze-thawed Spermatozoa Characteristics in Crossbred Cattle Bulls under Subtropical Environment
Author(s):
1. Ibrar Muhammad Khan: Anhui Provincial Laboratory of Local Livestock and Poultry Genetical Resource Conservation and Breeding, College of Animal Science and Technology, Anhui Agricultural University, Hefei, Anhui, China, 230036
2. Dezhi Xu: Anhui Provincial Laboratory of Local Livestock and Poultry Genetical Resource Conservation and Breeding, College of Animal Science and Technology, Anhui Agricultural University, Hefei, Anhui, China, 230036
3. Zubing Cao: Anhui Provincial Laboratory of Local Livestock and Poultry Genetical Resource Conservation and Breeding, College of Animal Science and Technology, Anhui Agricultural University, Hefei, Anhui, China, 230036
4. Hongyu Liu: Anhui Provincial Laboratory of Local Livestock and Poultry Genetical Resource Conservation and Breeding, College of Animal Science and Technology, Anhui Agricultural University, Hefei, Anhui, China, 230036
5. Adnan Khan: Department of Animal Genetics, Breeding and Reproduction College of Animal Science and Technology, China Agricultural University, Beijing, China
6. Sajid Ur Rahman: Key Laboratory of Animal Parasitology of Ministry of Agriculture, Laboratory of Quality and Safety Risk Assessment for Animal Products on Biohazards (Shanghai) of Ministry of Agricultural Sciences, Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai 200241, China
7. Jam Zaheer Ahmed: State Key Laboratory for Conservation and Utilization of Subtropical AgroBioresources, Guangxi University, Nanning, Guangxi, China
8. Muhammad Akmal Raheem: Key Laboratory of Veterinary Pathobiology and Disease Control, College of Animal Science and Technology, Anhui Agricultural University, Hefei, China
9. Yunhai Zhang: Anhui Provincial Laboratory of Local Livestock and Poultry Genetical Resource Conservation and Breeding, College of Animal Science and Technology, Anhui Agricultural University, Hefei, Anhui, China, 230036
Abstract:
Vitamins and amino acids are important trace nutrients that are essential for body growth and reproductive soundness, whereas the lack of these nutrients is directly related to reproductive performance. Hence, the antioxidants agents (L-cysteine and vitamin E) were added into semen diluent and assessed the freezethawed semen quality parameters. The ejaculates were collected from two crossbred groups (Sahiwal × Holstein-Friesian), and (Achai × Jersey) and, split into seven aliquots while extended with three different concentration (5, 7.5 and10 mmol) of L-cysteine diluents and followed by other three concentrations (1.2, 2.4 and 4.8 mmol) of vitamin E diluents and, the last aliquot of semen was extended with control (no additives) to semen diluent. The spermatozoa freeze-thawed quality were assessed and found that total motility, progressive motility, membrane functionality, acrosomal integrity, and viability percentage were significantly higher (P < 0.05) in the diluent groups treated with 7.5 mmol of L-cysteine or 4.8 mmol of vitamin E. Correspondingly the DNA integrity and mitochondrial membrane potential percentage were found significantly higher (P < 0.05) in diluent groups treated with 7.5 mmol L-cysteine or 4.8 mmol vitamin E. The juvenile results indicated that L-cysteine and vitamin E improves the freeze-thawed spermatozoa characteristics in crossbred bulls.
Page(s): 1309-1319
Published: Journal: Pakistan Journal of Zoology, Volume: 53, Issue: 4, Year: 2021
Keywords:
Vitamin E , Cryopreservation , Lcysteine , Crossbred bulls , Freezethawed semen
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