Mark T Knauer

Works (29)

Updated: December 19th, 2023 05:02

2023 article

Dead Sows do not Rear Piglets

Knauer, M. (2023, October 28). JOURNAL OF ANIMAL SCIENCE, Vol. 101, pp. 193–194.

By: M. Knauer n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: mortality; nutrition; sow
Source: Web Of Science
Added: December 11, 2023

2023 journal article

Estimating backfat depth, loin depth, and intramuscular fat percentage from ultrasound images in swine

ANIMAL, 17(10).

By: Z. Peppmeier n, J. Howard, M. Knauer n & S. Leonard n 

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Carcass traits; Genetic selection; Growing-finishing swine; Meat quality; Pig
Sources: Web Of Science, ORCID
Added: October 30, 2023

2023 journal article

Genetic Parameter Estimates for Teat and Mammary Traits in Commercial Sows

ANIMALS, 13(15).

By: A. Earnhardt-San n, K. Gray* & M. Knauer n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: functional teat; heritability; lactation; piglet survival; sow
Source: Web Of Science
Added: August 28, 2023

2023 article

Impact of Prefarrow Fat Supplementation on Piglet Survival and Subsequent Reproduction

Knauer, M., Peppmeier, Z., & Purvis, J. (2023, October 28). JOURNAL OF ANIMAL SCIENCE, Vol. 101, pp. 302–303.

By: M. Knauer n, Z. Peppmeier n & J. Purvis

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: fat; reproduction; sow
Source: Web Of Science
Added: December 18, 2023

2023 article

Impact of Vitamins C and E on Sow Mortality and Stillborn Rate

Knauer, M. (2023, October 28). JOURNAL OF ANIMAL SCIENCE, Vol. 101, pp. 352–353.

By: M. Knauer n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: mortality; sow; vitamin
Source: Web Of Science
Added: December 11, 2023

2023 article

Sow Supplementation with Vitamin C Enhances Pig Throughput

Knauer, M., Bergstrom, J. R., & Hough, S. D. (2023, October 28). JOURNAL OF ANIMAL SCIENCE, Vol. 101, pp. 68–69.

By: M. Knauer n, J. Bergstrom & S. Hough*

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: reproduction; sow; vitamin
Source: Web Of Science
Added: December 18, 2023

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

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: litter size; piglet survival; teat number; weaning weight
Source: Web Of Science
Added: September 18, 2023

2023 journal article

Towards rapid weight assessment of finishing pigs using a handheld, mobile RGB-D camera

BIOSYSTEMS ENGINEERING, 226, 155–168.

By: A. Nguyen n, J. Holt n, M. Knauer n, V. Abner n, E. Lobaton n  & S. Young n 

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: Precision livestock farming; Deep learning; Weight prediction; Depth imaging
Sources: Web Of Science, ORCID
Added: January 22, 2023

2022 journal article

EVAPORATIVE PAD COOLING IMPACTS ON BARN ENVIRONMENT AND FINISHING PIG PERFORMANCE

APPLIED ENGINEERING IN AGRICULTURE, 38(2), 351–359.

By: J. Wiegert, M. Knauer* & S. Shah* 

author keywords: Growth; Heat stress; Pig; Temperature-humidity-index
Sources: Web Of Science, ORCID
Added: January 3, 2023

2021 journal article

Comprehensive Evaluation of a Landscape Fabric Based Solar Air Heater in a Pig Nursery

ENERGIES, 14(21).

By: L. Yu *, S. Shah n , M. Knauer n, M. Boyette n & L. Stikeleather n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: transpired solar collector; livestock; ventilation; microclimate control; heat storage
Sources: Web Of Science, ORCID
Added: November 4, 2021

2021 article

Effect of Substandard Teats on Piglet and Sow Performance

Knauer, M., & Peppmeier, Z. (2021, May). JOURNAL OF ANIMAL SCIENCE, Vol. 99, pp. 133–133.

By: M. Knauer n & Z. Peppmeier n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: lactation; sow; teat
Source: Web Of Science
Added: August 23, 2021

2021 article

Evaluating the Performance of Grow-finish Pigs Supplemented with Butipearl (R) Z and Kemtrace (R) Chromium During Natural Heat Stress Exposure

Knauer, M., Mani, V., Marsteller, T., Iseri, V., & Kremer, B. (2021, May). JOURNAL OF ANIMAL SCIENCE, Vol. 99, pp. 174–174.

By: M. Knauer n, V. Mani *, T. Marsteller*, V. Iseri* & B. Kremer*

co-author countries: Belgium πŸ‡§πŸ‡ͺ United States of America πŸ‡ΊπŸ‡Έ
author keywords: butyrate; chromium; heat stress
Source: Web Of Science
Added: August 23, 2021

2021 journal article

Evidence that pubertal status impacts kisspeptin/neurokinin B/dynorphin neurons in the gilt(dagger)

BIOLOGY OF REPRODUCTION, 105(6), 1533–1544.

By: K. Harlow n , A. Renwick n, S. Shuping n, J. Sommer n, C. Lents*, M. Knauer n, C. Nestor n 

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: kisspeptin; NKB; dynorphin; swine; puberty
MeSH headings : Animals; Arcuate Nucleus of Hypothalamus / metabolism; Dynorphins / metabolism; Female; Kisspeptins / metabolism; Neurokinin B / metabolism; Neurons / physiology; Sexual Maturation; Sus scrofa / physiology
Sources: Web Of Science, ORCID
Added: April 18, 2022

2020 article

Effects of genetic selection for early puberty on the hypothalamic-pituitary-ovarian axis in gilts

Harlow, K. L., Renwick, A., Shuping, S., Sommer, J., Knauer, M., & Nestor, C. (2020, November). JOURNAL OF ANIMAL SCIENCE, Vol. 98, pp. 212–212.

By: K. Harlow n , A. Renwick n, S. Shuping n, J. Sommer n, M. Knauer n & C. Nestor n 

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: puberty; gilt; neuroendocrine
Sources: Web Of Science, ORCID
Added: February 8, 2021

2020 article

Evaluation of the NRC (2012) model in estimating standard maintenance metabolizable energy requirement of PIC sows during midgestation

Knauer, M., Purvis, J., Lu, N., Orlando, U., Vier, C., & Cast, W. (2020, November). JOURNAL OF ANIMAL SCIENCE, Vol. 98, pp. 98–98.

By: M. Knauer n, J. Purvis, N. Lu *, U. Orlando *, C. Vier * & W. Cast*

co-author countries: United Kingdom of Great Britain and Northern Ireland πŸ‡¬πŸ‡§ United States of America πŸ‡ΊπŸ‡Έ
author keywords: energy; gestation; sow
Source: Web Of Science
Added: February 8, 2021

2019 journal article

Associations with four generations of divergent selection for age at puberty in swine

JOURNAL OF ANIMAL SCIENCE, 97(6), 2320–2328.

By: G. See n & M. Knauer n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: age at puberty; genetic parameters; swine
MeSH headings : Age Factors; Animals; Estrus / genetics; Female; Male; Phenotype; Reproduction / genetics; Sexual Maturation / genetics; Swine / genetics; Swine / growth & development; Swine / physiology; Weaning
Source: Web Of Science
Added: July 22, 2019

2019 article

Effect of gilt feeding level and length of increased feeding level in late gestation on piglet birth weight.

Quick, J. K., & Knauer, M. (2019, July). JOURNAL OF ANIMAL SCIENCE, Vol. 97, pp. 233–233.

By: J. Quick n & M. Knauer n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: birth weight; gilt; nutrition
Source: Web Of Science
Added: August 12, 2019

2019 article

Meta-analysis of increasing lysine and energy in late gestation on piglet growth, colostrum composition and piglet throughput.

Wiegert, J., & Knauer, M. (2019, July). JOURNAL OF ANIMAL SCIENCE, Vol. 97, pp. 208–208.

By: J. Wiegert n & M. Knauer n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: colostrum; piglet; lysine
Source: Web Of Science
Added: August 12, 2019

2019 article

Production trait differences between show pig and commerical genetic lines.

Peppmeier, Z., Obermier, D. R., & Knauer, M. (2019, July). JOURNAL OF ANIMAL SCIENCE, Vol. 97, pp. 168–168.

By: Z. Peppmeier n, D. Obermier n & M. Knauer n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: backfat; genetic; growth
Source: Web Of Science
Added: August 12, 2019

2019 article

Structural conformation differences between show pigs and commercial genetic lines.

Obermier, D. R., Peppmeier, Z., & Knauer, M. (2019, July). JOURNAL OF ANIMAL SCIENCE, Vol. 97, pp. 39–39.

By: D. Obermier n, Z. Peppmeier n & M. Knauer n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: genetic; locomotion; pig
Source: Web Of Science
Added: August 12, 2019

2019 article

The effects of lift crates on sow performance and litter survival.

Obermier, D. R., Knauer, M., Graham, A., & Frobose, H. (2019, July). JOURNAL OF ANIMAL SCIENCE, Vol. 97, pp. 233–233.

By: D. Obermier n, M. Knauer n, A. Graham & H. Frobose*

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: crate; piglet; survival
Source: Web Of Science
Added: August 12, 2019

2018 journal article

A comparison of accuracy validation methods for genomic and pedigree-based predictions of swine litter size traits using Large White and simulated data

JOURNAL OF ANIMAL BREEDING AND GENETICS, 135(1), 5–13.

By: A. Putz n, F. Tiezzi  n, C. Maltecca n , K. Gray & M. Knauer n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ

Contributors: A. Putz n, F. Tiezzi  n, C. Maltecca n , K. Gray & M. Knauer n

author keywords: accuracy comparison; accuracy validation; litter size; piglet mortality; single-step GBLUP
MeSH headings : Animals; Breeding; Female; Genomics; Litter Size / genetics; Male; Models, Statistical; Pedigree; Swine / genetics; Swine / physiology
Sources: Web Of Science, ORCID
Added: August 6, 2018

2017 journal article

The relationship between different measures of feed efficiency and feeding behavior traits in Duroc pigs

Journal of Animal Science, 95(8), 3370–3380.

By: D. Lu, S. Jiao*, F. Tiezzi, M. Knauer*, Y. Huang, K. Gray, maltecca

Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2015 journal article

The sow body condition caliper

Applied Engineering in Agriculture, 31(2), 175–178.

By: M. Knauer* & D. Baitinger

Source: NC State University Libraries
Added: August 6, 2018

2015 journal article

Variance component estimates for alternative litter size traits in swine

JOURNAL OF ANIMAL SCIENCE, 93(11), 5153–5163.

By: A. Putz n, F. Tiezzi  n, C. Maltecca n , K. Gray & M. Knauer n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ

Contributors: A. Putz n, F. Tiezzi  n, C. Maltecca n , K. Gray & M. Knauer n

author keywords: birth weight; genetic correlation; litter size at d 5; piglet survival
MeSH headings : Animals; Birth Weight / genetics; Breeding; Female; Genetic Variation; Lactation / genetics; Litter Size / genetics; Parturition / genetics; Phenotype; Pregnancy; Swine / genetics; Swine / physiology; Weaning
Sources: Web Of Science, ORCID
Added: August 6, 2018

2013 journal article

US swine industry productivity analysis, 2005 to 2010

Journal of Swine Health and Production, 21(5), 248–252.

By: M. Knauer & C. Hostetler

Source: NC State University Libraries
Added: August 6, 2018

2012 journal article

Gilt development traits associated with genetic line, diet and fertility

LIVESTOCK SCIENCE, 148(1-2), 159–167.

By: M. Knauer n, J. Cassady n, D. Newcom & M. See n

co-author countries: United States of America πŸ‡ΊπŸ‡Έ

Contributors: M. Knauer n, J. Cassady n, D. Newcom & M. See n

author keywords: Estrus; Genetic; Gilt; Nutrition
Sources: Web Of Science, ORCID
Added: August 6, 2018

2009 journal article

Characterization of Lesions in U.S. Cull Sows

Journal of Applied Animal Welfare Science, 12(2), 152–152.

By: L. Layman*, M. Knauer*, K. Stalder*, L. Karriker *, J. McKean*, T. Serenius*, T. Baas*, C. Johnson*

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
Source: Crossref
Added: June 6, 2020

2007 journal article

A descriptive survey of lesions from cull sows harvested at two Midwestern U.S. facilities

Preventive Veterinary Medicine, 82(3-4), 198–212.

By: M. Knauer*, K. Stalder *, L. Karriker *, T. Baas*, C. Johnson*, T. Serenius*, L. Layman*, J. McKean*

co-author countries: United States of America πŸ‡ΊπŸ‡Έ
author keywords: cull sows; gross lesions; feet/leg lesions; body condition score
MeSH headings : Abattoirs; Animals; Body Composition; Female; Foot Diseases / pathology; Foot Diseases / veterinary; Genital Diseases, Female / pathology; Genital Diseases, Female / veterinary; Hoof and Claw / pathology; Midwestern United States; Pregnancy; Skin Diseases / pathology; Skin Diseases / veterinary; Swine; Swine Diseases / pathology; Tooth Diseases / pathology; Tooth Diseases / veterinary
Source: Crossref
Added: June 6, 2020

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