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- Title
CARACTERÍSTICAS IN VITRO E FERTILIDADE DO SÊMEN CAPRINO ARMAZENADO A 5°C POR 24 HORAS UTILIZANDO DUAS CONCENTRAÇÕES DE GEMA DE OVO NO DILUENTE.
- Authors
Bispo, Charles André Souza; Pugliesi, Guilherme; Palhão, Miller Pereira; Coelho, Polyana Galvão Bernardes; Ker, Pedro Gama; Rodrigues, Marcelo Teixeira; Carvalho, Giovanni Ribeiro
- Abstract
The objective of this study was to evaluate by in vitro tests and in vivo fertility, two concentrations of egg yolk (T1 = 20% or T2 = 2.5%) in egg yolk-citrate semen extender for storing goat semen at 5°C for 24 hours. Ninety semen collections were performed in four goats. The semen was split and diluted in two different semen extenders and stored in refrigerator at 5°C for 24 hours, until the semen evaluation and insemination procedures. The average values for cooled semen, respectively, for T1 and T2 were motility, 68.5 ± 15.4 and 78.0 ± 5.5 (p < 0.05); vigor, 2.5 ± 0.6 and 3.2 ± 0.3 (p < 0.05), supravital test, 59.4 ± 17.2 and 71.1 ± 10.5 (p < 0.05) and hypoosmotic test, 42.2 ± 15.7 and 56.2 ± 11.5 (p < 0.05). The fertility rate was greater (p < 0.05) in T1 (31.3%) than in T2 (66.7%) and the prolificacy did not differ (p < 0.05) between T1 (1.3 ± 0.5) and T2 (1.4 ± 0.5). In conclusion, the egg yolk-citrate extender with a low concentration (2.5%) of egg yolk was more effective in preserving the viability and fertility of goat semen stored at 5°C for 24 hours.
- Subjects
FERTILITY; GOATS; SEMEN; EGG yolk; HORSE artificial insemination; REPRODUCTIVE technology
- Publication
Ciência Animal Brasileira, 2011, Vol 12, Issue 4, p653
- ISSN
1518-2797
- Publication type
Article
- DOI
10.5216/cab.v12i4.13115