Articles with "test day" as a keyword



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Allele substitution and dominance effects of CD166/ALCAM gene polymorphisms for endoparasite resistance and test-day traits in a small cattle population using logistic regression analyses

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Published in 2019 at "Mammalian Genome"

DOI: 10.1007/s00335-019-09818-z

Abstract: The study investigated the effects of four single-nucleotide polymorphisms (SNPs) in the activated leukocyte cell adhesion molecule (ALCAM) gene on liver fluke (Fasciola hepatica) infections (FH-INF), gastrointestinal nematode infections (GIN-INF) and disease indicator traits [e.g.… read more here.

Keywords: inf; day traits; allele substitution; dominance effects ... See more keywords
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GWAS and gene networks for milk-related traits from test-day multiple lactations in Portuguese Holstein cattle

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Published in 2020 at "Journal of Applied Genetics"

DOI: 10.1007/s13353-020-00567-3

Abstract: This study focused on the identification of QTL regions, candidate genes, and network related genes based on the first 3 lactations (LAC3) of milk, fat, and protein yields, and somatic cell score (SCS) in Portuguese… read more here.

Keywords: fat protein; portuguese holstein; milk fat; candidate genes ... See more keywords
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Effects of cortisol administration on craving during in vivo exposure in patients with alcohol use disorder

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Published in 2021 at "Translational Psychiatry"

DOI: 10.1038/s41398-020-01180-y

Abstract: Alcohol-associated memories and craving play a crucial role in the development and maintenance of alcohol use disorder (AUD). As treatment options are limited in AUD, novel treatment strategies focus on the manipulation of alcohol-associated memories.… read more here.

Keywords: vivo exposure; cortisol administration; test day; exposure ... See more keywords
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PSIII-12 Genetic analysis of heat tolerance in Holsteins using test-day production records and satellite-based meteorological data

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Published in 2020 at "Journal of Animal Science"

DOI: 10.1093/jas/skaa278.422

Abstract: Heat stress in dairy cattle is an existing issue in temperate regions that can cause reduced milk production, impaired fertility, and mortality. Genetic selection for heat tolerance using test-day production records and weather station data… read more here.

Keywords: heat; test day; day production; heat tolerance ... See more keywords

Comparing deregression methods for genomic prediction of test‐day traits in dairy cattle

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Published in 2018 at "Journal of Animal Breeding and Genetics"

DOI: 10.1111/jbg.12317

Abstract: We aimed to investigate the performance of three deregression methods (VanRaden, VR; Wiggans, WG; and Garrick, GR) of cows' and bulls' breeding values to be used as pseudophenotypes in the genomic evaluation of test-day dairy… read more here.

Keywords: deregression; test day; prediction; deregression methods ... See more keywords
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Covariance components by a repeatability model in Slovenian dairy sheep using test-day records.

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Published in 2018 at "Czech Journal of Animal Science"

DOI: 10.17221/1680-cjas

Abstract: The estimation of covariance components for daily milk yield, fat and protein content was performed in three Slovenian dairy sheep breeds (Bovec, Improved Bovec, and Istrian Pramenka). In the period 1994-2002, 38 983 test-day records… read more here.

Keywords: milk yield; daily milk; model; covariance components ... See more keywords
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Definition of subgroups for fixed regression in the test-day animal model for milk production of Holstein cattle in the Czech Republic

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Published in 2018 at "Czech Journal of Animal Science"

DOI: 10.17221/3976-cjas

Abstract: The investigation was based on roughly 3.9, 2.7 and 1.7 million test-day records from first, second and third lactation, respectively, sampled from 596 200 Czech Holstein cows between the years 1991 and 2002. Breeding values… read more here.

Keywords: milk; fixed regression; regression test; test ... See more keywords

Genetic parameters for body weight from birth to calving and associations between weights with test-day, health, and female fertility traits.

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Published in 2018 at "Journal of dairy science"

DOI: 10.3168/jds.2017-13835

Abstract: A data set including 57,868 records for calf birth weight (CABW) and 9,462 records for weight at first insemination (IBW) were used for the estimation of direct and maternal genetic effects in Holstein Friesian dairy… read more here.

Keywords: cabw ibw; ibw; health; maternal genetic ... See more keywords
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Infection dynamics across the dry period using Dairy Herd Improvement somatic cell count data and its effect on cow performance in the subsequent lactation.

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Published in 2019 at "Journal of dairy science"

DOI: 10.3168/jds.2018-15130

Abstract: In this study, we studied infection dynamics across the dry period using test-day somatic cell count (SCC) data from 739 Holstein cows from 33 randomly selected commercial dairy herds in Flanders, all of which applied… read more here.

Keywords: across dry; test day; dry period; day scc ... See more keywords
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Evaluation of test-day milk somatic cell count to predict intramammary infection in late lactation grazing dairy cows.

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Published in 2023 at "Journal of dairy science"

DOI: 10.3168/jds.2022-22627

Abstract: Use of selective dry cow antimicrobial therapy requires to precisely differentiate cows with an intramammary infection (IMI) from uninfected cows close to drying-off to enable treatment allocation. Milk somatic cell count (SCC) is an indicator… read more here.

Keywords: test day; day; day scc; milk ... See more keywords