Results 101 to 110 of about 90,562 (356)

Genetic Parameters and Genome‐Wide Association Studies for Fertility and Reproduction Traits in U.S. Katahdin Sheep Based on the Single‐Step GBLUP Methodology

Journal of Animal Breeding and Genetics, EarlyView.
ABSTRACT Sheep production contributes to a secure and diverse food and fibre supply in the United States, with growing ethnic diversity strengthening demand. Katahdin is a composite hair‐type sheep breed developed in the United States that has become the most popular breed in many regions of the country and the first one to have genomic selection ...
Alejandra Toro Ospina, Ronald M. Lewis, Bradley A. Freking, Joan M. Burke, Thomas W. Murphy, Carrie S. Wilson, Luiz F. Brito   +6 more
wiley   +1 more source

PEMETAAN QUANTITATIVE TRAIT LOCI UNTUK SIFAT BERSKALA KATEGORIK

Jurnal Ilmu Pertanian Indonesia, 2007
Genes or regions on chromosome underlying a quantitative trait are called quantitative trait loci (QTL). Characterizing genes controlling quantitative trait on their position in chromosome and their effect on trait is through a process called QTL mapping.
Farit Mochamad Afendi
doaj  

Of buds and bits: a meta-QTL study identifies stable QTL for berry quality and yield traits in cranberry mapping populations (Vaccinium macrocarpon Ait.)

Frontiers in Plant Science
IntroductionFor nearly two centuries, cranberry (Vaccinium macrocarpon Ait.) breeders have improved fruit quality and yield by selecting traits on fruiting stems, termed “reproductive uprights.” Crop improvement is accelerating rapidly in contemporary ...
Andrew F. Maule, Andrew F. Maule, Jenyne Loarca, Jenyne Loarca, Luis Diaz-Garcia, Hector Lopez-Moreno, Hector Lopez-Moreno, Jennifer Johnson-Cicalese, Jennifer Johnson-Cicalese, Nicholi Vorsa, Nicholi Vorsa, Massimo Iorizzo, Massimo Iorizzo, Jeffrey L. Neyhart, Juan E. Zalapa   +14 more
doaj   +1 more source

MVQTLCIM: composite interval mapping of multivariate traits in a hybrid F1 population of outbred species

BMC Bioinformatics, 2017
Background With the plummeting cost of the next-generation sequencing technologies, high-density genetic linkage maps could be constructed in a forest hybrid F1 population. However, based on such genetic maps, quantitative trait loci (QTL) mapping cannot
Fenxiang Liu, Chunfa Tong, Shentong Tao, Jiyan Wu, Yuhua Chen, Dan Yao, Huogen Li, Jisen Shi   +7 more
doaj   +1 more source

Mapping QTLs for traits measured as percentages

Genetical Research, 2004
Many quantitative traits are measured as percentages. As a result, the assumption of a normal distribution for the residual errors of such percentage data is often violated. However, most quantitative trait locus (QTL) mapping procedures assume normality of the residuals.
Yongcai, Mao, Shizhong, Xu
openaire   +2 more sources

Better Multi‐Breed Genomic Predictions for Tropical Bull Fertility Using a Breed‐Adjusted Genomic Relationship Matrix

Journal of Animal Breeding and Genetics, EarlyView.
ABSTRACT The pressing requirement for agricultural systems to adopt climate change adaptation strategies specifically designed for tropical environments underscores the significance of implementing sustainable bull breeding practices in beef cattle operations.
Antonio Reverter, Pâmela A. Alexandre, Marina R. S. Fortes, Laercio R. Porto‐Neto   +3 more
wiley   +1 more source

A QTL for osteoporosis detected in an F2 population derived from White Leghorn chicken lines divergently selected for bone index [PDF]

, 2007
Osteoporosis, resulting from progressive loss of structural bone during the period of egg-laying in hens, is associated with an increased susceptibility to bone breakage.
Burt, D W, Dunn, I C, Fleming, R H, McCormack, H A, Morrice, D, Preisinger, R, Whitehead, C C   +6 more
core   +1 more source

Hybrid sorghum breeding in China: A historical review and perspectives

Journal of Integrative Plant Biology, EarlyView.
To commemorate the 60th anniversary of the promotion and application of three‐line hybrid sorghum in China, this review highlights pivotal scientific breakthroughs, systematically summarizes the progress in hybrid sorghum breeding and dwarf sorghum breeding in the country, and presents an outlook on the future of sorghum breeding.
Xiangxiang Meng, Lu Li, Qian Qian, Liang Jiang, Zhaosheng Kong   +4 more
wiley   +1 more source

vqtl: An R Package for Mean-Variance QTL Mapping

G3: Genes, Genomes, Genetics, 2018
We present vqtl, an R package for mean-variance QTL mapping. This QTL mapping approach tests for genetic loci that influence the mean of the phenotype, termed mean QTL, the variance of the phenotype, termed variance QTL, or some combination of the two ...
Robert W. Corty, William Valdar
doaj   +1 more source

Molecular genetics of chicken egg quality [PDF]

, 2010
Faultless quality in eggs is important in all production steps, from chicken to packaging, transportation, storage, and finally to the consumer. The egg industry (specifically transportation and packing) is interested in robustness, the consumer in ...
Honkatukia, Mervi
core   +1 more source