Results 51 to 60 of about 1,464,639 (343)

Preliminary Observations on spawning potential in the striped bass (Roccus saxatilis Walbaum) [PDF]

open access: yes, 1952
This study was initiated during the summer of 1940 with the following objectives: (1) To determine at what age sexual maturity begins in striped bass of the Chesapeake Bay.
Jackson, H.W., Tiller, R.E.
core  

Altitudinal effects on life history parameters in populations of Liolaemus pictus argentinus (Sauria: Liolaemidae) [PDF]

open access: yes, 2013
We used skeletochronology to assess the age structure, body size and sexual maturity in two populations of Liolaemus pictus argentinus from San Carlos de Bariloche, Argentina.
Gutiérrez, Joel Antú   +2 more
core   +3 more sources

Incidence and Risk Factors of Serious Osteonecrosis in Pediatric Acute Lymphoblastic Leukemia: A CYP‐C Population‐Based Study

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Osteonecrosis (ON) is a debilitating complication of acute lymphoblastic leukemia (ALL) therapy. While numerous studies have explored its incidence and associated risk factors, investigations using large‐scale cohorts remain important to characterize ON across heterogeneous populations.
Noémie de Villiers   +5 more
wiley   +1 more source

High Reproductive Success Despite Queuing – Socio-Sexual Development of Males in a Complex Social Environment

open access: yesFrontiers in Psychology, 2019
The start of actual breeding in male social mammals can occur long after individuals attain sexual maturity. Mainly prevented from reproduction by older and dominant males, young males often queue until strong enough to compete for favorable social ...
Alexandra M. Mutwill   +11 more
doaj   +1 more source

Maturation, Spawning Period, and Fecundity of the White Crappie, Pomoxis annularis Rafinesque, in Beaver Reservoir, Arkansas [PDF]

open access: yes, 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

Testicular growth and comb and wattles development in three Italian chicken genotypes reared under free range conditions [PDF]

open access: yes, 2015
Male chickens belonging to three Italian purebreds \u2013 Ermellinata di Rovigo (ER), Robusta lionata (RL) and Robusta maculata (RM) \u2013 were studied. All the birds were reared under the same rearing conditions (from May until autumn).
DE FASSI NEGRELLI RIZZI, Chiara   +1 more
core   +1 more source

Improving the Evaluation and Management of Transfusion‐Related Iron Overload in Children, Adolescents, and Young Adults Following Cancer Treatment or Hematopoietic Stem Cell Transplantation

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Transfusion‐related iron overload (TRIO) is a late effect of therapy impacting survivors of childhood cancer and hematopoietic stem cell transplantation (HSCT) who receive frequent packed red blood cell (pRBC) transfusions. Surprisingly, there are no accepted guidelines to assist providers in identifying and treating at‐risk ...
Luke Gingell   +3 more
wiley   +1 more source

Pancreas, Muscle, and Subcutaneous Fat Atrophy in Patients Undergoing Radiation for Neuroblastoma

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background/Objectives Radiation therapy (RT) is part of standard‐of‐care therapy in high‐risk neuroblastoma (HR‐NBL) but can significantly affect nearby tissue. The objectives of this study were (1) to characterize changes in pancreas volume after RT and (2) to characterize changes in body composition, including body weight percentile ...
Pradipta Debnath   +10 more
wiley   +1 more source

Potassium Dichromate Impact on some Biomarkers of Female Reproductive System Performances (Litter Size, Sex Ratio) and Physical Development (Vaginal Opening) in Rats (F2 Generation)

open access: yesScientific Papers Animal Science and Biotechnologies, 2023
The aim of this study was to emphasize potassium dichromate impact on some female reproductive system performances and physical development biomarkers in rats.
Snejana Petrovici   +4 more
doaj  

Determination of reproductive periodicity in the intertidal mole crab Emerita asiatica [PDF]

open access: yes, 1982
Food supply may be regarded as the primary factor controlling growth rate and egg production in the natural populations of Crustacea (Wcnner et ah, 1974). The faster growth rate can also lead to an altered age/size at sexual maturity.
Subramoniam, T
core  

Home - About - Disclaimer - Privacy