2016
DOI: 10.1016/j.theriogenology.2016.05.011
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Abstract: This study aimed to evaluate sexing techniques for juvenile Lophiosilurus alexandri. With this aim, we evaluated three techniques: coelioscopy, performed with the use of video surgery equipment; coeliotomy, a surgical procedure for direct visualization of the gonads; and sex determination using a urethral probe to compare the genital papillae. For coelioscopy, the survival rate was 100% 30 days after the procedure, and the fish restarted eating 10 days after surgery. This technique resulted in a 100% correct i… Show more

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Cited by 8 publications
(7 citation statements)
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“…According to the IUCN () list, its conservation status is vulnerable. It reproduces naturally in captivity, does not migrate for reproduction, builds nests on a sandy bottom, exhibits parental care and has high commercial value (Assega, Birindelli, Bialetzki, & Shibatta, ; Barros, Guimarães‐Cruz, Veloso‐Júnior, & Santos, ; Godinho, ; Melillo Filho et al., ). It is a carnivorous fish with piscivorous tendencies, lurking on the sandy substrate to catch other fish.…”
Section: Introductionmentioning
confidence: 99%
“…According to the IUCN () list, its conservation status is vulnerable. It reproduces naturally in captivity, does not migrate for reproduction, builds nests on a sandy bottom, exhibits parental care and has high commercial value (Assega, Birindelli, Bialetzki, & Shibatta, ; Barros, Guimarães‐Cruz, Veloso‐Júnior, & Santos, ; Godinho, ; Melillo Filho et al., ). It is a carnivorous fish with piscivorous tendencies, lurking on the sandy substrate to catch other fish.…”
Section: Introductionmentioning
confidence: 99%
“…The major problems in the application of this technique are post‐operative complications, including haemorrhage, wound dehiscence, contamination and infection (Boone, Hernandez‐Divers, Radlinsky, Latimer, & Shelton, ; Hernandez‐Divers et al, ). According to Filho et al (), the accuracy degree using this technique reached 96.3% for males and 93.9% for females of Lophiosilurus alexandri . Compared to coeliotomy, coelioscopy or endoscopy is a less‐invasive technique (Matsche, Bakal, & Rosemary, ).…”
Section: Resultsmentioning
confidence: 90%
“…However, these approaches are costly or limited to laboratory settings. Coeliotomy is an invasive technique but does not require the use of sophisticated devices (Filho et al, 2016). The major problems in the application of this technique are post-operative complications, including haemorrhage, wound dehiscence, contamination and infection (Boone, Hernandez-Divers, Radlinsky, Latimer, & Shelton, 2008;Hernandez-Divers et al, 2004).…”
Section: Sex Validationmentioning
confidence: 99%
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