Works (15)

Updated: September 19th, 2023 05:00

2023 journal article

The impact of functional teat number on reproductive throughput in swine

TRANSLATIONAL ANIMAL SCIENCE, 7(1).

By: D. Obermier n, J. Howard*, K. Gray* & M. Knauer n

author keywords: litter size; piglet survival; teat number; weaning weight
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Source: Web Of Science
Added: September 18, 2023

2022 journal article

Exploring the role of gut microbiota in host feeding behavior among breeds in swine

BMC MICROBIOLOGY, 22(1).

By: Y. He n, F. Tiezzi n, J. Howard*, Y. Huang, K. Gray* & C. Maltecca n

Contributors: Y. He n, F. Tiezzi n, J. Howard*, Y. Huang, K. Gray* & C. Maltecca n

author keywords: Swine; Gut microbiota; Feeding behavior; Breed; Growth stage
MeSH headings : Animals; Archaea / classification; Archaea / genetics; Archaea / isolation & purification; Bacteria / classification; Bacteria / genetics; Bacteria / isolation & purification; Feeding Behavior; Gastrointestinal Microbiome / genetics; Phenotype; RNA, Ribosomal, 16S / genetics; Swine / genetics; Swine / growth & development; Swine / microbiology
TL;DR: The importance of the gut microbial composition in interacting with the host feeding behavior is demonstrated and multiple archaea and bacteria associated with feeding behavior measures in pigs from either Duroc, Landrace, or Large White breeds at three growth stages are identified. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: January 10, 2022

2021 journal article

Predicting body weight in growing pigs from feeding behavior data using machine learning algorithms

COMPUTERS AND ELECTRONICS IN AGRICULTURE, 184.

By: Y. He n, F. Tiezzi n, J. Howard* & C. Maltecca n

Contributors: Y. He n, F. Tiezzi n, J. Howard* & C. Maltecca n

author keywords: Pigs; Feeding behavior; Body weight; Machine learning
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: May 24, 2021

2020 journal article

43 Feed efficiency and behavior are associated with gut microbiome in three breeds of pigs

Journal of Animal Science, 98(Supplement_4), 24–24.

By: F. Tiezzi n, M. Bergamaschi n, J. Howard* & C. Maltecca n

author keywords: swine; gut microbiome; feeding behavior
TL;DR: The impact of gut microbiome on the traits studied was present and seemed to depend on the breed and the time point of recording. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, Crossref
Added: February 15, 2021

2020 journal article

Genomics of Heat Tolerance in Reproductive Performance Investigated in Four Independent Maternal Lines of Pigs

FRONTIERS IN GENETICS, 11.

By: F. Tiezzi n, L. Brito*, J. Howard*, Y. Huang, K. Gray*, C. Schwab, J. Fix, C. Maltecca n

Contributors: F. Tiezzi n, L. Brito*, J. Howard*, Y. Huang, K. Gray*, C. Schwab, J. Fix, C. Maltecca n

author keywords: animal resilience; fertility; GxE; heat stress; heat sensitivity; relative humidity; reaction norm
Sources: Web Of Science, NC State University Libraries, ORCID
Added: March 1, 2021

2019 journal article

Symposium review: The genomic architecture of inbreeding: How homozygosity affects health and performance

JOURNAL OF DAIRY SCIENCE, 102(3), 2807–2817.

Contributors: C. Baes*, B. Makanjuola*, F. Miglior*, G. Marras*, J. Howard n, A. Fleming*, C. Maltecca n

author keywords: inbreeding; runs of homozygosity; mating programs
MeSH headings : Animals; Breeding; Cattle / genetics; Dairying; Genome; Haplotypes; Homozygote; Inbreeding; Inbreeding Depression; Pedigree; Phenotype; Physical Conditioning, Animal; Reproduction
TL;DR: Traditional measures of inbreeding are described and the recent developments made toward more precise measures of homozygosity using genomic information are discussed. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: March 4, 2019

2017 journal article

Gene co-expression network analysis identifies porcine genes associated with variation in metabolizing fenbendazole and flunixin meglumine in the liver

Scientific Reports, 7(1).

By: J. Howard n, M. Ashwell n, R. Baynes n, J. Brooks n, J. Yeatts n & C. Maltecca n

Contributors: J. Howard n, M. Ashwell n, R. Baynes n, J. Brooks n, J. Yeatts n & C. Maltecca n

MeSH headings : Animals; Antinematodal Agents / pharmacokinetics; Clonixin / analogs & derivatives; Clonixin / pharmacokinetics; Female; Fenbendazole / pharmacokinetics; Gene Expression; Gene Expression Profiling; Gene Expression Regulation; Gene Regulatory Networks; Liver / drug effects; Liver / metabolism; Male; Sus scrofa / genetics; Transcriptome
TL;DR: The objective was to identify individual genes and gene networks involved in metabolizing fenbendazole (FBZ) and flunixin meglumine (FLU) in swine liver to allow for greater insight into FBZ and FLU metabolism. (via Semantic Scholar)
Sources: Web Of Science, Crossref, NC State University Libraries, ORCID
Added: August 6, 2018

2017 journal article

Geno-Diver: A combined coalescence and forward-in-time simulator for populations undergoing selection for complex traits

JOURNAL OF ANIMAL BREEDING AND GENETICS, 134(6), 553–563.

By: J. Howard n, F. Tiezzi n, J. Pryce* & C. Maltecca n

Contributors: J. Howard n, F. Tiezzi n, J. Pryce* & C. Maltecca n

author keywords: Animal breeding; fitness; quantitative genetics; simulation
MeSH headings : Animals; Breeding / methods; Computer Simulation; Female; Genetics, Population; Genomics; Male; Pedigree; Phenotype; Polymorphism, Single Nucleotide; Quantitative Trait Loci; Selection, Genetic; Software
TL;DR: This work benchmarked Geno-Diver with a previous simulation program and described how to simulate a traditional quantitative trait along with a quantitative and fitness trait. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2017 review

Invited review: Inbreeding in the genomics era: Inbreeding, inbreeding depression, and management of genomic variability

[Review of ]. JOURNAL OF DAIRY SCIENCE, 100(8), 6009–6024.

By: J. Howard n, J. Pryce*, C. Baes* & C. Maltecca n

Contributors: J. Howard n, J. Pryce*, C. Baes* & C. Maltecca n

author keywords: inbreeding; genomics
MeSH headings : Animals; Cattle / genetics; Genomics; Inbreeding; Inbreeding Depression; Pedigree; Polymorphism, Single Nucleotide
TL;DR: The widespread incorporation of genomic information in dairy cattle genetic evaluations allows for the opportunity to develop and implement methods to manage populations at the genomic level, allowing genome-wide relationship or inbreeding estimates to be augmented to characterize relationships for specific regions of the genome. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2016 article

A method for the identification of unfavorable haplotypes contained within runs of homozygosity that impact fitness traits and its application to different swine nucleus lines.

Howard, J. T., Tiezzi, F., Huang, Y., Gray, K. A., & Maltecca, C. (2016, September). JOURNAL OF ANIMAL SCIENCE, Vol. 94, pp. 26–27.

By: J. Howard*, F. Tiezzi, Y. Huang, K. Gray & C. Maltecca*

author keywords: swine; inbreeding depression; fitness
UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2016 journal article

Characterization and management of long runs of homozygosity in parental nucleus lines and their associated crossbred progeny

GENETICS SELECTION EVOLUTION, 48(1).

By: J. Howard n, F. Tiezzi n, Y. Huang, K. Gray & C. Maltecca n

Contributors: J. Howard n, F. Tiezzi n, Y. Huang, K. Gray & C. Maltecca n

MeSH headings : Animals; Breeding / methods; Computer Simulation; Crosses, Genetic; Female; Genome; Genotype; Heterozygote; Homozygote; Hybrid Vigor; Inheritance Patterns; Linkage Disequilibrium; Male; Models, Genetic; Pedigree; Polymorphism, Single Nucleotide; Swine
TL;DR: It is shown that long stretches of ROH present in the parents persist in crossbred animals and using genomic information to constrain parental relationships resulted in maintaining more genetic diversity and more effectively targeted low diversity regions. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2015 journal article

Characterizing homozygosity across United States, New Zealand and Australian Jersey cow and bull populations

BMC GENOMICS, 16(1).

Contributors: J. Howard n, C. Maltecca n, M. Haile-Mariam*, B. Hayes* & J. Pryce*

author keywords: Dairy cattle; Runs of homozygosity; Signature of selection
MeSH headings : Animals; Australia; Cattle / genetics; Dairying; Female; Genetic Variation; Genome; Genome-Wide Association Study; Homozygote; Male; New Zealand; Phenotype; Polymorphism, Single Nucleotide; Quantitative Trait Loci; Selective Breeding; United States
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2015 journal article

Differential Gene Expression across Breed and Sex in Commercial Pigs Administered Fenbendazole and Flunixin Meglumine

PLOS ONE, 10(9), e0137830.

By: J. Howard n, A. O’Nan n, C. Maltecca n, R. Baynes n & M. Ashwell n

Contributors: J. Howard n, . A.T. O'Nan n, C. Maltecca n, R. Baynes n & M. Ashwell n

Ed(s): F. Kobeissy

MeSH headings : Animals; Breeding; Clonixin / analogs & derivatives; Clonixin / pharmacology; Cytochrome P-450 Enzyme System / genetics; Female; Fenbendazole / pharmacology; Gene Expression Regulation / drug effects; Male; Orchiectomy; Real-Time Polymerase Chain Reaction; Sus scrofa / genetics
Sources: Web Of Science, Crossref, NC State University Libraries, ORCID
Added: August 6, 2018

2015 journal article

Genome-wide association study on legendre random regression coefficients for the growth and feed intake trajectory on Duroc Boars

BMC GENETICS, 16(1).

By: J. Howard n, S. Jiao n, F. Tiezzi n, Y. Huang, K. Gray & C. Maltecca n

Contributors: J. Howard n, S. Jiao n, F. Tiezzi n, Y. Huang, K. Gray & C. Maltecca n

author keywords: Swine; Random regression; Genome wide-association study; Growth and feed intake
MeSH headings : Animals; Body Weight; Eating; Genetic Association Studies; Genome-Wide Association Study; Quantitative Trait Loci; Quantitative Trait, Heritable; Swine
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2015 journal article

Investigation of regions impacting inbreeding depression and their association with the additive genetic effect for United States and Australia Jersey dairy cattle

BMC GENOMICS, 16(1).

By: J. Howard n, M. Haile-Mariam, J. Pryce & C. Maltecca n

Contributors: J. Howard n, M. Haile-Mariam, J. Pryce & C. Maltecca n

MeSH headings : Animals; Australia; Cattle; Female; Genome-Wide Association Study; Genomics; Genotype; Humans; Inbreeding; Lactation / genetics; Milk; Phenotype; Polymorphism, Single Nucleotide; Quantitative Trait Loci / genetics; United States
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

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