Results 21 to 30 of about 666,775 (168)

Age and growth of pompano, Trachinotus ovatus, from the Strait of Messina (central Mediterranean Sea)

open access: yesScientia Marina, 2021
This is the first paper to provide detailed information on the age and growth of Trachinotus ovatus. The size of the 244 individuals collected in the Strait of Messina ranged from 2.7 to 30.4 cm in fork length (LF) and 0.31 to 508.6 g in body mass (M ...
Danilo Malara   +7 more
doaj   +1 more source

Age Determination of Fish. I

open access: yesNIPPON SUISAN GAKKAISHI, 1938
On the basis of rings formed on the surface of centrum of vertebrae, ages of tunny, yellow-finned tunny, long-finned albacore and bonito were determined as follows. (1) Tunny-Thunnus orientalis (T & S.): In (cm.)=7•94 rn (mm)-4•8, where r1=4•1, r2=6•4, r3=9•4, r4=12•6, r5=15•8, r6=19•4, r7=22•4 r8=25•4, and r9=28•0.
AIKAWA, Hiroaki, KATÔ, Masuo
openaire   +3 more sources

Differences between the sagitta, lapillus and vertebra in estimating age and growth in juvenile Mediterranean dolphinfish (Coryphaena hippurus)

open access: yesScientia Marina, 1999
The otoliths (sagittae and lapilli) and the vertebral centra were evaluated as ageing structures in dolphinfish age 0 juveniles (17.2–72 cm FL) caught in the seasonal small-scale fisheries of Majorca and Sicily (western and central Mediterranean ...
Beatriz Morales-Nin   +5 more
doaj   +1 more source

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

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

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

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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