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Mostrando ítems 11-20 de 1748
Morphometric and gonad maturity of the spider crab Libinia ferreirae Brito Capello, 1871 (Decapoda: Majoidea: Epialtidae) on the south-eastern Brazilian coast
(Cambridge Univ Press, 2017-03-01)
Sexual maturity of the spider crab Libinia ferreirae was assessed for each sex, based on body dimensions and observations of gonad condition. A total of 346 crabs were analysed, of which 68% were females. Immature and adult ...
Evaluation of practical diets containing different protein levels on gonad development of female redclaw crayfish Cherax quadricarinatus
(2013-08-15)
The effect of five experimental diets with different crude protein content (220, 270, 330, 390 and 450 g kg−1) on gonad development of female Cherax quadricarinatus was tested under laboratory conditions. After 70 days, a ...
Effect of dietary protein and lipid levels on gonadal development of female redclaw crayfish Cherax quadricarinatus
(2013-08-14)
The effect of two crude dietary protein (26% and 32% P) and two lipid levels (4.7% and 12% L) on gonadal development of female redclaw crayfish Cherax quadricarinatus was determined. The gonadosomatic index (GSI), hepatosomatic ...
Crescimento, desenvolvimento gonadal e composição muscular de matrinxãs (Brycon cephalus) submetidos à restrição alimentar e realimentação durante um ano
(Universidade Federal de Santa Maria (UFSM), 2014)
Desenvolvimento gonadal de fêmeas de matrinxã, Brycon amazonicus, submetidas a restrição alimentar
(Universidade Federal de Santa Maria (UFSM), 2014)
Spermatogenesis and gonadal cycle in male Tamoya haplonema and Chiropsalmus quadrumanus (Cnidaria, Cubozoa)
(2019-03-01)
Spermatogenesis has been little studied in cubozoans. This work describes spermatogenesis of two cubozoan species from Brazil, Tamoya haplonema and Chiropsalmus quadrumanus, using light microscopy and histochemical techniques ...
Male Gonadal Differentiation and the Paedomorphic Evolution of the Testis in Teleostei
(Wiley-Blackwell, 2014-06-01)
Testis differentiation from representatives of the Otophysi (Cyprinus carpio), Percomorpha (Amatitlania nigrofasciata), and Atherinomorpha (Poecilia reticulata) was comparatively described. In the undifferentiated gonad ...