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Uso da bromelina na qualidade do sêmen caprino congelado/descongelado / Use of bromelain in the quality of frozen/thawed goat sêmen

BRAGA, Clarissa de Castro e; NASCIMENTO, Wcleudem Matias; TEIXEIRA, Letícia Soares de Araújo; MACÊDO, Laércio Fontinele Bandeira de; PORFIRIO, Kenney de Paiva; PAULA, Ney Rômulo de Oliveira; VIEIRA, Rômulo José.
Ci. Anim.; 30(04, Supl. 2): 261-265, 2020.
Artigo em Português | VETINDEX | ID: vti-32093


The objective of this study was to evaluate the effect of bromelain on sperm quality, after defrosting, in goats. For this purpose, five Anglo Nubian goats were used. Semen collection was performed with the aid of an artificial vagina. The semen was evaluated for its macroscopic and microscopic parameters. After the analysis, the total volume of the pool was divided into three groups. One belonging to the control group (ACP-101/102®) and two treatment groups with ACP-101/102® enriched with bromelain in concentrations of 5% and 10%. The samples were cryopreserved with the aid of the Tk3000 device. Then, the straws were immersed in liquid nitrogen and stored in cryogenic cylinders. After one week the samples were thawed and evaluated by the system CASA (Computer Assisted Sperm Analysis). After thawing, the total sperm motility assessed by the system CASA was preserved in the control group and in the treatment group at a concentration of 5%. The curvilinear speed (LCV) and mean trajectory speed (VAP) of sperm were higher in the control group compared to the others. Thus, it is concluded that bromelain does not present genotoxicity to goat sperm, as well as its use is satisfactory in terms of the quality of seminal parameters after thawing.(AU)
Biblioteca responsável: BR68.1
Localização: BR68.1