AIMC Topic: Breeding

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Deep learning and genomic best linear unbiased prediction integration: An approach to identify potential nonlinear genetic relationships between traits.

Journal of dairy science Jun 1, 2025
Genomic prediction (GP) aims to predict the breeding values of multiple complex traits, usually assumed to be multivariate normally distributed by the largely used statistical methods, thus imposing linear genetic relationships between traits. Althou...
Deep Learning Cattle Genomics Models, Genetic Phenotype Female Animals Milk Breeding
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The Vertebrate Breed Ontology: Toward Effective Breed Data Standardization.

Journal of veterinary internal medicine Jan 1, 2025
BACKGROUND: Limited universally-adopted data standards in veterinary medicine hinder data interoperability and therefore integration and comparison; this ultimately impedes the application of existing information-based tools to support advancement in...
Biological Ontologies Breeding Vertebrates Veterinary Medicine Animals Livestock
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Classification accuracy of machine learning algorithms for Chinese local cattle breeds using genomic markers.

Yi chuan = Hereditas Jul 1, 2024
Accurate breed classification is required for the conservation and utilization of farm animal genetic resources. Traditional classification methods mainly rely on phenotypic characterization. However, it is difficult to distinguish between the highly...
Cattle Genomics Polymorphism, Single Nucleotide Support Vector Machine Genetic Markers Breeding Genome Machine Learning Algorithms Animals China
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Genome-wide prediction for complex traits under the presence of dominance effects in simulated populations using GBLUP and machine learning methods.

Journal of animal science Jun 1, 2020
The aim of this study was to compare the predictive performance of the Genomic Best Linear Unbiased Predictor (GBLUP) and machine learning methods (Random Forest, RF; Support Vector Machine, SVM; Artificial Neural Network, ANN) in simulated populatio...
Machine Learning Phenotype Male Genomics Genotype Breeding Computer Simulation Female Animals Genome Multifactorial Inheritance Genes, Dominant
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A review of traditional and machine learning methods applied to animal breeding.

Animal health research reviews Jun 1, 2019
The current livestock management landscape is transitioning to a high-throughput digital era where large amounts of information captured by systems of electro-optical, acoustical, mechanical, and biosensors is stored and analyzed on a daily and hourl...
Animal Husbandry Breeding Machine Learning Animals Livestock
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Technical note: an R package for fitting sparse neural networks with application in animal breeding.

Journal of animal science May 4, 2018
Neural networks (NNs) have emerged as a new tool for genomic selection (GS) in animal breeding. However, the properties of NN used in GS for the prediction of phenotypic outcomes are not well characterized due to the problem of over-parameterization ...
Animals Male Genomics Genotype Bayes Theorem Genetic Markers Breeding Neural Networks, Computer Software Female
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Effects of supplementing methionine hydroxy analog on beef cow performance, milk production, reproduction, and preweaning calf performance.

Journal of animal science Dec 1, 2017
Mature Simmental × Angus cows (214 cows; 635 ± 7 kg) were utilized to determine the effects of late gestation and early postpartum supplementation of methionine hydroxy analog (MHA) on cow BW, BCS, milk production, milk composition, reproduction, and...
Weaning Breeding Animal Feed Postpartum Period Diet Pregnancy Poaceae Lactation Methionine Reproduction Seasons Cattle Female Milk Animals Pregnancy Rate Parturition Dietary Supplements
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Developmental and reproductive characteristics of beef heifers classified by pubertal status at time of first breeding.

Journal of animal science Dec 1, 2017
Data collected for 10 or more years at the West Central Research and Extension Center, North Platte, NE ( = 1,104); the Gudmundsen Sandhills Laboratory, Whitman, NE ( = 1,333); and the USDA, ARS, Fort Keogh Livestock and Range Research Laboratory, Mi...
Sexual Maturation Pregnancy Female Animals Cattle Reproduction Pregnancy Rate Parturition Seasons Breeding Weaning
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Effect of postweaning heifer development system on average daily gain, pregnancy rates, and subsequent feed efficiency as a pregnant heifer.

Journal of animal science Dec 1, 2017
A 3-yr study utilized 300 Angus-based, spring-born heifers to evaluate postweaning heifer development systems on gain, reproductive performance, and feed efficiency as a pregnant heifer. Heifers were blocked by BW and randomly assigned to graze corn ...
Pregnancy Rate Zea mays Eating Animals Body Weight Maternal Nutritional Physiological Phenomena Random Allocation Diet Pregnancy Animal Feed Animal Husbandry Breeding Seasons Female Cattle Acclimatization Reproduction
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Maternal nutrition and stage of early pregnancy in beef heifers: Impacts on expression of glucose, fructose, and cationic amino acid transporters in utero-placental tissues.

Journal of animal science Dec 1, 2017
We hypothesized that maternal nutrition and day of gestation would impact utero-placental mRNA expression of the nutrient transporters , , , , and in beef heifers. Crossbred Angus heifers (n = 49) were estrous synchronized, bred via AI, assigned to n...
Amino Acid Transport Systems, Basic Fructose Breeding Maternal Nutritional Physiological Phenomena Diet Cattle Endometrium Placenta Uterus Pregnancy Glucose Female Estrous Cycle Animals
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