Results 31 to 40 of about 665,732 (266)

Logistic Regression Model for Determination of the Age of Brown Hare (Lepus europaeus Pall.) Based on Body Weight

open access: yesAnimals, 2022
We developed an algorithm to classify brown hares into two age classes, juveniles (up to 1 year old) and adults (over 1 year old), based on body weight, which can be determined by both the examination of live animals and postmortem analysis.
Marian Flis   +4 more
doaj   +1 more source

Effect of Pregnancy on Bone Age

open access: yesAhi Evran Medical Journal, 2023
Purpose: Age estimation for forensic purposes has an important place among daily Forensic Medicine services. Although many factors affect skeletal development, hormonal factors are among the most influencing factors.
Kenan KAYA, Toygün Anıl ÖZESEN
doaj   +1 more source

Dental Ages of Children with Attention Deficit Hyperactivity Disorder versus Healthy Children Measured using Different Dental Age Estimation Methods: A Retrospective Observational Study [PDF]

open access: yesJournal of Clinical and Diagnostic Research
Introduction: Attention Deficit Hyperactivity Disorder (ADHD) is a neurobehavioural disorder that is common in childhood and can lead to serious impairment in quality of life if, not treated.
Melek Belevcikli   +1 more
doaj   +1 more source

Establishing Age-Based Color Changes for the American Burying Beetle, Nicrophorus americanus Olivier, with Implications for Conservation Efforts

open access: yesInsects, 2023
The American burying beetle, Nicrophorus americanus Olivier, is a federally protected insect that once occupied most of eastern North America. Adult beetles feature distinct, recognizable markings on the pronotum and elytra, and color changes with age ...
Robert Shane McMurry   +3 more
doaj   +1 more source

Bomb dating, age validation and quality control of age determinations of monodontids and other marine mammals

open access: yesNAMMCO Scientific Publications, 2014
Methods for confirming the accuracy of age determination methods are reasonably well established in fishes, but the millions of routine age determinations which take place every year require their own quality control protocols.
Steven E Campana, Robert EA Stewart
doaj   +1 more source

Annual Bands in Vertebrae Validated by Bomb Radiocarbon Assays Provide Estimates of Age and Growth of Whale Sharks

open access: yesFrontiers in Marine Science, 2020
Conservation and management strategies for endangered and threatened species require accurate estimates of demographic parameters such as age and growth.
Joyce J. L. Ong   +4 more
doaj   +1 more source

Age Determination of Bovine Foetuses [PDF]

open access: yesActa Veterinaria Scandinavica, 1969
The need for methods for age determination of foetuses is defined. X-ray examination of the foetal head is recommended as the surest basis for age determination. Calculations are made concerning the correlation between cranial length and foetal age, and the methods used for measurements are described in detail.
openaire   +2 more sources

Post-Slaughter Age Classification and Sex Determination in Deboned Beef Using Lipofuscin Autofluorescence and Amelogenin Gene Analysis

open access: yesVeterinary Sciences
Beef meat quality and value are influenced by the breed, sex, and age of slaughtered animals. This study aimed to evaluate lipofuscin pigment autofluorescence as a method for age classification in beef meat samples and to determine the sex of market ...
Büşra Cumhur   +5 more
doaj   +1 more source

Age Estimation by Kvaal’s Method Using CBCT Scans of Mandibular Canine Teeth in an Iranian Population

open access: yesRegeneration, Reconstruction & Restoration, 2019
Introduction: Age estimation of individuals older than 21 years remains a challenge in forensic medicine. This study sought to assess the accuracy of age estimation by Kvaal’s method using cone beam computed tomography (CBCT) scans of mandibular canine ...
Mahkameh Moshfeghi   +6 more
doaj   +1 more source

The Stochastic Determinism of Aging and Death

open access: yesPeriodicum biologorum, 2018
We have studied human life expectancy in Croatia with the median derivative power function model; the median age of death was 76 and 81 years for men and women respectively. Cummulative mortality increases at a constant rate after the age 60 y and 65 y for men and women, respectively (r2 = 0.99 and 0.98).
Momcilovic, Berislav   +3 more
openaire   +2 more sources

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