2000
DOI: 10.1590/s1516-35982000000100001
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Eficiência da eletroejaculação de morfotipos machos do camarão-de-água-doce Macrobrachium rosenbergii

Abstract: RESUMO -O objetivo deste trabalho foi avaliar a aplicabilidade da técnica de eletroejaculação para manejos de inseminação artificial, bem como o potencial ejaculatório de cada um dos tipos morfológicos de machos adultos do Macrobrachium rosenbergii. Estímulos elétricos foram aplicados em 48 exemplares de camarão-de-água-doce, recém capturados em viveiros de engorda, para melhor compreensão do comportamento reprodutivo de cada um: os de quela azul (BC), sexualmente ativos e dominantes; os de quela laranja (OC),… Show more

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Cited by 5 publications
(5 citation statements)
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References 9 publications
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“…However, the use of 5% DMSO in the cryopreservation of Macrobrachium rosenbergii shrimp sperm was successful, showing a viability rate of 64.8% (Goldberg et al ., 2000). Going back to the literature, it has been seen that higher DMSO concentrations decreased the survival of the studied structures, results that support our findings.…”
Section: Discussionmentioning
confidence: 99%
“…However, the use of 5% DMSO in the cryopreservation of Macrobrachium rosenbergii shrimp sperm was successful, showing a viability rate of 64.8% (Goldberg et al ., 2000). Going back to the literature, it has been seen that higher DMSO concentrations decreased the survival of the studied structures, results that support our findings.…”
Section: Discussionmentioning
confidence: 99%
“…O morfotipo OC (Orange chela) é representado por indivíduos de quela laranja e que possuem um tamanho médio e são considerados inativos na presença de um morfotipos BC. O morfotipo SM (Small Male) é representado por indivíduos que possuem a coloração da quela indefinida, devido haver pouca pigmentação e são os menores nas populações de macho dessa espécie (RA'ANAN; COHEN, 1985 apud GOLDBERG;OSHIRO, 2000;KURIS et al, 1987).…”
Section: Discussionunclassified
“…Methods for evaluating sperm quality consist of determining the morphology, counting the number of sperm cells with the aid of optical microscopy, and the weight and regeneration of spermatophores (Coman et al, 2007;Leelatanawit et al, 2014;Harlıoğlu and Farhadi, 2017). The most widespread technique for spermatophore extraction in decapods is electrostimulation, since it is fast and can provide complete expulsions (Goldberg and Oshiro, 2000;Viana da Costa et al, 2016). This technique was first used in M. rosenbergii (see Harris and Sandifer, 1986), however, the use of electrostimulation may be a limiting factor for subsequent sperm extractions (Baskar et al, 2004), since there is evidence that it causes melanization of reproductive tissue (Harris and Sandifer, 1986).…”
Section: Sperm Viability Of Macrobrachium Tenellummentioning
confidence: 99%