Results 31 to 40 of about 39,411 (255)

Epigenetic Measurement of Key Vertebrate Population Biology Parameters

open access: yesFrontiers in Ecology and Evolution, 2021
The age, sex, and sexual maturity of individual animals are key parameters in assessing wild populations and informing conservation management strategies.
Matthew J. Heydenrych   +4 more
doaj   +1 more source

Sound Signals Processing of Roosters for Sexual Maturity and Puberty Diagnosis [PDF]

open access: yesJournal of Agricultural Machinery, 2020
IntroductionImmature birds, like humans and many animals, pass through the puberty period to sexual maturity that is accompanied by sound changes and after the sexual maturity, the sound structure evolves.
M Yavari, A Banakar, M Sharafi
doaj   +1 more source

Are Fertility Preservation Procedures Before Gonadotoxic Therapy and Hematopoietic Stem Cell Transplantation Feasible and Safe in Very Young Children? A Retrospective Cohort Study

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Fertility preservation (FP) is increasingly integrated into the care of pediatric patients exposed to gonadotoxic therapy or conditioning for hematopoietic stem cell transplantation (HSCT), yet perioperative data in infants and toddlers remain scarce.
Kerstin Saalabian   +13 more
wiley   +1 more source

Prevalence of 21 Physician‐Defined Severe Toxicities Following Childhood Acute Lymphoblastic Leukemia Treatment: Australian Retrospective Cohort Study

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Acute lymphoblastic leukemia (ALL) is the most common pediatric cancer, with an overall survival now surpassing 90% in developed countries. However, treatments are not without adverse effects. In this study, we apply the severe toxicity‐free survival (STFS) framework to determine the prevalence of 21 physician‐defined severe ...
Lane Collier   +10 more
wiley   +1 more source

Modal and empirical lengths at sexual maturity for six deep-sea species in Ecuadorian oceanic waters

open access: yesMarine and Fishery Sciences, 2023
The objective of the present work was to establish modal lengths, empirical lengths at sexual maturity, and proportions of mature individuals of six deep-sea species from the bycatch of the experimental fishery for Patagonian toothfish (Dissostichus ...
René Zambrano   +2 more
doaj   +1 more source

Health Literacy, Self‐Efficacy and Knowledge of Sickle Cell Disease Among Caregivers

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Sickle cell disease (SCD) is a hereditary blood disorder in which abnormal haemoglobin leads to severe anaemia, painful crises and organ failure. Caregivers’ health literacy (HL) – their ability to assess, understand and apply information, and interact with healthcare professionals – is crucial for managing children with SCD, yet ...
Melanie Bruinooge   +6 more
wiley   +1 more source

Sexual maturation in Turkish girls

open access: yesAnnals of Human Biology, 1975
Ages of attainment of successive puberty stages of the breast, public hair and axillary hair and of menarche were established in a cross-sectional study of 1468 Turkish school girls in Istanbul. The subjects were grouped into four socioeconomic classes.
O, Neyzi, H, Alp, A, Orhon
openaire   +2 more sources

Leukemia and Exposure to Potential Benzene Sources in Children From the Mexico City Metropolitan Area, 2010–2021: A Geospatial Analysis

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Leukemia is the most common childhood cancer in Mexico, and acute lymphoblastic leukemia (ALL) is the most frequent subtype. Exposure to high concentrations of benzene has been associated with ALL incidence, particularly in urban areas. This study evaluated the relationship between distance to benzene emission sources and the number
Orlando Rivera Zurita   +5 more
wiley   +1 more source

Predicting responses to warming temperatures for early growth rate, size and age at sexual maturity and mortality in male Xiphophorus multilineatus [PDF]

open access: yesPeerJ
The majority of ectotherms conform to the temperature-size rule, a reaction norm where individuals reared in colder environments grow slower, take longer to reach sexual maturity and attain a larger adult size than conspecifics from warmer environments ...
Keith Tompkins   +2 more
doaj   +2 more sources

Comparing the Size at Onset of Sexual Maturity of Edible Crab (Cancer pagurus, Cancridae) in Berwickshire and Northumberland

open access: yesFishes, 2023
The literature suggests regional variations in the size at which sexual maturity is reached for commercially important edible crab (Cancer pagurus), worth GBP 74.3 million annually, which could have implications for regional fisheries management ...
Blair Alexander Andrew Easton   +3 more
doaj   +1 more source

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