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Works (35)
Updated: June 3rd, 2024 08:13
2024 article
Relationship between sow caliper measurements with sow reproductive performance and longevity in the herd
Vier, C. M., Dritz, S., Orlando, W. A., Diaz, J. A. C., Camp, J., Cast, W. R., … Poulin, J. (2024, May 5). JOURNAL OF ANIMAL SCIENCE, Vol. 102, pp. 179–180.
author keywords: body condition; gestating sow; longevity
Source: Web Of Science
Added: May 20, 2024
2024 article
The effect of temperature-humidity index in different pregnancy stages on litter traits in Taiwan Landrace sows
Lin, K.-H., Flowers, B., Jiang, J., Knauer, M., & Lin, E.-C. (2024, May 5). JOURNAL OF ANIMAL SCIENCE, Vol. 102, pp. 20–20.
author keywords: Landrace; litter traits; pregnancy stages,temperature-humidity index; Taiwan
Sources: Web Of Science, NC State University Libraries
Added: May 20, 2024
2024 article
Water quality analysis and flow rate comparison between wean-finish swine barns
Kittle, O. C. S., Leonard, S. M., Knauer, M., & Almond, G. (2024, May 5). JOURNAL OF ANIMAL SCIENCE, Vol. 102, pp. 27–27.
author keywords: drinkers; flow rate; water
Sources: Web Of Science, NC State University Libraries
Added: May 28, 2024
2023 article
Comparison of Ammonia Concentrations Between Flush and Pull-Plug Waste Management Systems in Wean-Finish Swine Barns.
Kittle, J., Leonard, S. M., Knauer, M., & Almond, G. (2023, May). JOURNAL OF ANIMAL SCIENCE, Vol. 101.
author keywords: air quality; corrosion; facilities
academic.oup.com (publisher PDF)
Sources: Web Of Science, NC State University Libraries
Added: March 4, 2024
2023 article
Dead Sows do not Rear Piglets
Knauer, M. (2023, October 28). JOURNAL OF ANIMAL SCIENCE, Vol. 101, pp. 193–194.
author keywords: mortality; nutrition; sow
UN Sustainable Development Goal Categories
2. Zero Hunger
(OpenAlex)
Source: Web Of Science
Added: December 11, 2023
2023 article
Effect of Temperature and Humidity on Daily Feeding Behavior in Swine
Peppmeier, Z., Leonard, S. M., & Knauer, M. (2023, May). JOURNAL OF ANIMAL SCIENCE, Vol. 101.
author keywords: growth; heat stress; pig
Sources: Web Of Science, NC State University Libraries
Added: March 4, 2024
2023 journal article
Estimating backfat depth, loin depth, and intramuscular fat percentage from ultrasound images in swine
ANIMAL, 17(10).
author keywords: Carcass traits; Genetic selection; Growing-finishing swine; Meat quality; Pig
Sources: Web Of Science, NC State University Libraries, ORCID
Added: October 30, 2023
2023 journal article
Genetic Parameter Estimates for Teat and Mammary Traits in Commercial Sows
ANIMALS, 13(15).
author keywords: functional teat; heritability; lactation; piglet survival; sow
UN Sustainable Development Goal Categories
13. Climate Action
(Web of Science)
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.
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.
author keywords: mortality; sow; vitamin
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(OpenAlex)
Source: Web Of Science
Added: December 11, 2023
2023 article
Sow Location Within Farrowing Room Impacts Reproduction During Heat Stress.
Knauer, M., Peppmeier, Z., & Leonard, S. M. (2023, May). JOURNAL OF ANIMAL SCIENCE, Vol. 101.
author keywords: housing; reproduction; sow
Sources: Web Of Science, NC State University Libraries
Added: March 4, 2024
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.
author keywords: reproduction; sow; vitamin
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(OpenAlex)
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).
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
2023 journal article
Towards rapid weight assessment of finishing pigs using a handheld, mobile RGB-D camera
BIOSYSTEMS ENGINEERING, 226, 155–168.
author keywords: Precision livestock farming; Deep learning; Weight prediction; Depth imaging
UN Sustainable Development Goal Categories
13. Climate Action
(Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
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.
author keywords: Growth; Heat stress; Pig; Temperature-humidity-index
UN Sustainable Development Goal Categories
13. Climate Action
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: January 3, 2023
2021 journal article
Comprehensive Evaluation of a Landscape Fabric Based Solar Air Heater in a Pig Nursery
ENERGIES, 14(21).
author keywords: transpired solar collector; livestock; ventilation; microclimate control; heat storage
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(Web of Science; OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
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.
author keywords: lactation; sow; teat
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(OpenAlex)
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.
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.
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
TL;DR:
The degree to which KNDy neurons exist in the gilt is characterized for the first time, and the impact of pubertal status on kisspeptin, neurokinin B, and dynorphin in the arcuate nucleus of gilts is examined.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, NC State University Libraries
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.
author keywords: puberty; gilt; neuroendocrine
TL;DR:
It is concluded that gilts genetically selected for early puberty do so via changes within the hypothalamus that increase gonadotropin secretion and, in turn, stimulate ovarian growth to ultimately advance the timing of puberty onset.
(via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
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.
author keywords: energy; gestation; sow
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
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.
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
TL;DR:
Results suggest selection for reduced AGEPUB in swine would decrease AGE PUB and increase PUB, and a random common litter effect effect was suggested.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(OpenAlex)
13. Climate Action
(Web of Science)
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.
author keywords: birth weight; gilt; nutrition
TL;DR:
Results suggest increasing gilt feeding level in late gestation does not impact mean piglet birth weight when gilts are over conditioned and the main effects of feeding level or length of feedinglevel are not significant.
(via Semantic Scholar)
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.
author keywords: colostrum; piglet; lysine
TL;DR:
Results suggest increasing LYS and FAT in late gestation, above what is typically fed on commercial sow farms, may improve sow reproduction, however a cost benefit analysis should be conducted before increasing feed cost.
(via Semantic Scholar)
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.
author keywords: backfat; genetic; growth
TL;DR:
Results suggest pigs sire by Large White show pig sires are fatter, heavier muscled, and have comparable lean growth to those sired by commercial LW genetic lines.
(via Semantic Scholar)
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.
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.
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.
Contributors: A. Putz n, F. Tiezzi n, C. Maltecca n , K. Gray & 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
TL;DR:
Results suggest that for within-breed selection, theoretical accuracy using PEV was consistent and accurate and correlating predictions to the corrected phenotypes divided by the square root of the heritability is adequate given a large enough validation data set.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, NC State University Libraries, 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.
UN Sustainable Development Goal Categories
2. Zero Hunger
(OpenAlex)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018
2015 journal article
The sow body condition caliper
Applied Engineering in Agriculture, 31(2), 175–178.
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.
Contributors: A. Putz n, F. Tiezzi n, C. Maltecca n , K. Gray & 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
TL;DR:
Litter size at d 10 would be a compromise between gain in litter size at weaning and minimizing the potentially negative effects of the nurse dam and direct additive genetics of the piglets, as they are expected to increase throughout lactation.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action
(Web of Science)
Sources: Web Of Science, NC State University Libraries, 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.
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.
Contributors: n, J. Cassady n, D. Newcom & M. See n
author keywords: Estrus; Genetic; Gilt; Nutrition
TL;DR:
It was concluded that gilts with LOE r 1 day or weak standing reflexes were less likely to farrow a litter, and genetic lines differed for estrous traits LOE, TSRBOAR, MSRNOBOar, TSOAR, VR, VISUAL VULVA and VW.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action
(Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
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.
TL;DR:
The strong associations observed suggest that sows who do not respond to increased feeding with improved BCS could reasonably be expected to have additional lesions that may impact performance and welfare.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger
(OpenAlex)
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.
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
TL;DR:
The prevalence of reproductive lesions detected in the present study was less than the reported percentage of sows culled for reproductive failure from previous studies based on record keeping summaries, suggesting a linear association existed between binary traits and body condition score (BCS).
(via Semantic Scholar)
Source: Crossref
Added: June 6, 2020
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