نتایج جستجو برای: genetic trends

تعداد نتایج: 760986  

Journal: :Irish Journal of Agricultural and Food Research 2022

The objective of the present study was to investigate genetic trends 18 subjectively scored linear type traits describing animal morphology, as well udder, teat, feet and leg conformation. analysis undertaken using 2,932,700 Holstein-Friesian females born in Republic Ireland between years 2000 2020, inclusive. results indicate that have progressively become shorter stature shallower (i.e. body ...

Journal: :Swarm and evolutionary computation 2022

Fog computing is a new computational paradigm that emerged from the need to reduce network usage and latency in Internet of Things (IoT). can be considered as continuum between cloud layer IoT users allows execution applications or storage/processing data infrastructure devices. The heterogeneity wider distribution fog devices are key differences infrastructure. Genetic-based optimization commo...

2003
B. XIANG B. LI F. ISIK

Annual measurements on growth traits from a total of 275 parents and 690 full-sib families from 23 diallel tests of loblolly pine (Pinus taeda L.) in the Northern, Coastal and Piedmont test regions of the southeastern U.S. were used to reveal the time trend of genetic parameters through age 8. Variance components were estimated from mixed model analyses on growth traits (height, DBH and volume)...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2016
Dalton Conley Thomas Laidley Daniel W Belsky Jason M Fletcher Jason D Boardman Benjamin W Domingue

This study asks two related questions about the shifting landscape of marriage and reproduction in US society over the course of the last century with respect to a range of health and behavioral phenotypes and their associated genetic architecture: (i) Has assortment on measured genetic factors influencing reproductive and social fitness traits changed over the course of the 20th century? (ii) ...

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