Sexual maturation of Greek boys
Annals of Human Biology, 2002 Sexual maturation is dependent on genetic and environmental factors, therefore each ethnic group has to have its own normative data.This study describes the sexual maturation of Greek boys.We examined cross-sectionally 1266 healthy boys, aged 8-16 years. Pubertal staging in each boy was assessed according to Tanner's classification.
A, Papadimitriou +4 more
openaire +2 more sources
Maturation-associated changes in the non-specific immune response against Flavobacterium psychrophilum in Ayu Plecoglossus altivelis [PDF]
, 2018 In this study, we investigated maturation-associated changes in non-specific immune responses of ayu against Flavobacterium psychrophilum. The gonadosomatic index was minimum on 16 June, began to increase on 17 July, and reached the maximum value during ...
Kato Goshi +4 more
core +2 more sources
Sexually Matured Female Mice showed Higher γ-Linolenic Acid (GLA) in the Muscle Tissue
Journal of Animal Reproduction and Biotechnology, 2015 The sexual maturation occurred by the changes of steroid hormones was known to sex-dependently and/or agedependently regulate the lipid metabolism in various animal species.
Chang Seok Park +2 more
doaj +1 more source
Reproductive biology of blue marlin (Makaira nigricans) in the western Pacific Ocean [PDF]
, 2009 The reproductive biology of blue marlin (Makaira nigricans) was assessed from 1001 fish (ranging from 121 to 275 cm in eye-to-fork length; EFL) caught by Taiwanese offshore longliners in the western Pacific Ocean from September 2000 to December ...
Chien-Chung Tszeng, Chien-Chung Tszeng +3 more
core
El sistema reproductor femenino de Zearaja chilensis (Guichenot, 1848) (Chondrichthyes, Rajidae): Gametogénesis y validación microscópica de los criterios de madurez [PDF]
, 2015 Los condrictios son extremadamente susceptibles a la explotación pesquera debido, entre otras cosas, a sus adaptaciones reproductivas. Los conocimientos básicos de sus parámetros reproductivos son esenciales, ya sea desde el punto de vista ecológico como
Di Giacomo, Edgardo Ernesto +2 more
core +1 more source
Poultry ScienceSexual maturity is a pivotal reproductive trait in laying hens because it is directly related to egg production. The age at first egg is a definitive indicator of sexual maturity attainment in laying hens. Most Chinese indigenous chicken breeds exhibit a
Jiale Zhang +6 more
doaj +1 more source
Description of the sexual cycle related to the environment and set up of the artificial propagation in Pangasius bocourti (sauvage, 1880) and Pangasius hypophthalmus (Sauvage, 1878), reared in floating cages and in ponds in the Mekong Delta [PDF]
, 1998 First artificial propagation of Pangasius hypophthalmus was reported in Vietnam in 1980, but results did not allow extension for large scale production of fry. Otherwise, for P. bocourti, no reproduction was yet reported in 1994.
Cacot, Philippe
core
Reproductive System Structure, Development and Function in Cephalopods with a New General Scale for Maturity Stages [PDF]
, 1992 The main types of reproductive system structure, development and functions in cephalopods are described from personal observations and use of the literature. There is one type in males and three in females which are order specific.
Arkhipkin, A. I.
core +1 more source
Maturation, Spawning Period, and Fecundity of the White Crappie, Pomoxis annularis Rafinesque, in Beaver Reservoir, Arkansas [PDF]
, 1981 Gonosomatic indices and ovum diameter frequency distributions showed that the Beaver Reservoir white crappie spawns from late April through May. During the spawning season females release eggs more than once.
Kilambi, Raj V., Thomas, Janet L.
core +2 more sources
Ecology and EvolutionIndividuals can adjust allocation strategies based on intrinsic and extrinsic factors. Variation in nutritional status during sexual maturation and resource acquisition during breeding may affect life history functions and trade‐offs.
Wenxia Wang +4 more
doaj +1 more source