Buscar
Mostrando ítems 1-10 de 1962
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 ...
Disgenesias gonadais e tumores: aspectos genéticos e clínicos
(Sociedade Brasileira de Endocrinologia e Metabologia, 2005-02-01)
Gonadal dysgenesis comprises a clinical spectrum of anomalies in patients with female, ambiguous or male phenotype, absent or impaired puberty and karyotype with or without Y chromosome and/or chromosome markers. Although ...
Comparison of fatty acids profile of the gonads and eggs of Lutjanus guttatus (Perciformes: Lutjanidae) obtained from wild and captive broodstock
(Universidad Nacional, Costa Rica, 2020)
Reproductive cycle of the south American scallop Amusium laurenti (Gmelin, 1791) (Bivalvia, Pectinidae)
(Springer, 2000-08)
Amusium laurenti is a functional hermaphrodite with well differentiated male and female gonadal areas. The gonadal index varies throughout the year with maximum values occurring in January, March and July, and minimum ones ...
Action of the Metalloproteinases in Gonadal Remodeling during Sex Reversal in the Sequential Hermaphroditism of the Teleostei Fish Synbranchus marmoratus (Synbranchiformes: Synbranchidae)
(Mdpi, 2018-05-01)
Teleostei present great plasticity regarding sex change. During sex reversal, the whole gonad including the germinal epithelium undergoes significant changes, remodeling, and neoformation. However, there is no information ...
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 ...