Andrew Weaver

Works (29)

Updated: March 5th, 2026 14:34

2026 article

Interactions of fecal egg count estimated breeding value and housing system on Katahdin lamb post-weaning performance

Valliere-Kopetzky, N. K., Wright, D. L., Greiner, S. P., Bowdridge, S. A., & Weaver, A. R. (2026, February 17). Small Ruminant Research.

By: N. Valliere-Kopetzky n, D. Wright*, S. Greiner*, S. Bowdridge * & A. Weaver n

topics (OpenAlex): Genetic and phenotypic traits in livestock; Animal Nutrition and Physiology; Rabbits: Nutrition, Reproduction, Health; Helminth infection and control; Plant and fungal interactions
Source: NC State University Libraries
Added: March 4, 2026

2025 article

114 Botanical composition varies in solar array grazed with sheep

Weaver, A. R., Poore, M. H., Rogers, J. R., Maierle, C. L., & Franzluebbers, A. J. (2025, June 1). Journal of Animal Science, Vol. 103, pp. 42–43.

By: A. Weaver n, M. Poore n, J. Rogers n, C. Maierle & A. Franzluebbers* 

author keywords: forages; sheep; solar grazing
topics (OpenAlex): Agriculture Sustainability and Environmental Impact
Sources: Web Of Science, NC State University Libraries
Added: July 21, 2025

2025 article

120 Effect of copper oxide wire particles on parasitism and growth in Katahdin lambs divergently selected for fecal egg count estimated breeding value: Year 2

Geniac, T., Wright, D. L., Greiner, S. P., Bowdridge, S. A. A., & Weaver, A. R. (2025, June 1). Journal of Animal Science.

By: T. Geniac n, D. Wright*, S. Greiner*, S. Bowdridge * & A. Weaver n

author keywords: copper oxide wire particles; gastrointestinal nematodes; sheep
topics (OpenAlex): Livestock and Poultry Management; Animal Nutrition and Physiology
Source: Web Of Science
Added: July 21, 2025

2025 article

127 Evaluation of sire selection and maternal influence on feed efficiency in Katahdin sheep

Valliere-Kopetzky, N. K., Wright, D. L., Weaver, A. R., Maierle, C. L., Bowdridge, S. A. A., & Greiner, S. P. (2025, June 1). Journal of Animal Science.

By: N. Valliere-Kopetzky*, D. Wright*, A. Weaver n, C. Maierle, S. Bowdridge * & S. Greiner*

author keywords: feed efficiency; maternal influence; sire selection
topics (OpenAlex): Livestock Management and Performance Improvement; Genetic and phenotypic traits in livestock
Source: Web Of Science
Added: July 21, 2025

2025 article

128 Evaluation of lifetime feed efficiency and feeding behavior in Katahdin sheep

Valliere-Kopetzky, N. K., Wright, D. L., Weaver, A. R., Bowdridge, S. A. A., & Greiner, S. P. (2025, June 1). Journal of Animal Science.

By: N. Valliere-Kopetzky*, D. Wright*, A. Weaver n, S. Bowdridge * & S. Greiner*

author keywords: agricultural technology; feed efficiency; feeding behavior
topics (OpenAlex): Livestock Management and Performance Improvement
Source: Web Of Science
Added: July 21, 2025

2025 article

192 Awardee Talk: Assessing performance metrics and nutritional intake to determine efficiency in Angus heifers at different production stages

Rajo, E. B., Weaver, A. R., Pickworth, C. L., & Poole, D. H. (2025, June 1). Journal of Animal Science, Vol. 103, pp. 23–23.

By: E. Rajo n , A. Weaver n, C. Pickworth n  & D. Poole n 

topics (OpenAlex): Ruminant Nutrition and Digestive Physiology; Genetic and phenotypic traits in livestock
Sources: Web Of Science, NC State University Libraries
Added: July 21, 2025

2025 article

70 Solar grazing schools create opportunity for sheep production in solar arrays

Rogers, J. R., Weaver, A. R., Poore, M. H., & Maierle, C. L. (2025, June 1). Journal of Animal Science.

By: J. Rogers n, A. Weaver n, M. Poore n & C. Maierle

author keywords: sheep; solar grazing; workshops
topics (OpenAlex): Photovoltaic Systems and Sustainability
Source: Web Of Science
Added: July 21, 2025

2025 article

99 Interaction between feed efficiency and infrared thermography in beef heifers exposed to ergot alkaloids

Poole, D. H., Rajo, E. B., Weaver, A. R., Pickworth, C. L., & Leonard, S. M. (2025, June 1). Journal of Animal Science, Vol. 103, pp. 62–62.

By: D. Poole n , E. Rajo n , A. Weaver n, C. Pickworth n  & S. Leonard n 

author keywords: beef heifers; feed efficiency; thermography
topics (OpenAlex): Plant and fungal interactions; Ruminant Nutrition and Digestive Physiology
Sources: Web Of Science, NC State University Libraries
Added: July 21, 2025

2025 article

Evaluation of supplemental feeding behavior in Katahdin lambs divergently selected for fecal egg count estimated breeding value

Valliere-Kopetzky, N. K., Wright, D. L., Greiner, S. P., Bowdridge, S. A., & Weaver, A. R. (2025, November 25). Small Ruminant Research.

By: N. Valliere-Kopetzky n, D. Wright*, S. Greiner*, S. Bowdridge * & A. Weaver n

topics (OpenAlex): Helminth infection and control; Plant and fungal interactions; Genetic and phenotypic traits in livestock
Source: NC State University Libraries
Added: January 22, 2026

2025 article

Genetics of Gastrointestinal Nematode Parasite Resistance in Small Ruminants

Bowdridge, S. A., Morgan, J. L. M., & Weaver, A. R. (2025, December 23). CABI EBooks.

By: S. Bowdridge n, J. Morgan n & A. Weaver n

topics (OpenAlex): Helminth infection and control; Parasites and Host Interactions; Parasitic infections in humans and animals
Source: NC State University Libraries
Added: December 24, 2025

2025 article

Influence of heat stress and fescue toxicosis on the pulmonary arterial pressure of beef heifers

Rajo-Gomez, E. B., Pickworth, C. L., Weaver, A. R., Foster, D. M., & Poole, D. H. (2025, January 1). Journal of Animal Science, Vol. 103.

By: E. Rajo-Gomez n , C. Pickworth n , A. Weaver n, D. Foster n  & D. Poole n 

author keywords: fescue toxicosis; heifer; pulmonary arterial pressure
MeSH headings : Animals; Cattle; Female; Cattle Diseases / physiopathology; Cattle Diseases / chemically induced; Heat-Shock Response; Heat Stress Disorders / veterinary; Heat Stress Disorders / physiopathology; Festuca; Animal Feed / analysis; Ergot Alkaloids / toxicity; Pulmonary Artery / physiology
topics (OpenAlex): Meat and Animal Product Quality; Odor and Emission Control Technologies; Effects of Environmental Stressors on Livestock
Sources: Web Of Science, NC State University Libraries
Added: May 19, 2025

2024 article

106 Exposure to ergot alkaloids and heat stress alter pulmonary arterial pressure and nutritional intake in beef heifers

Rajo, E. B., Weaver, A. R., Pickworth, C. L., Foster, D., & Poole, D. H. (2024, September 1). Journal of Animal Science, Vol. 102, pp. 271–272.

By: E. Rajo n , A. Weaver n, C. Pickworth n , D. Foster n  & D. Poole n 

author keywords: ergot alkaloids; pulmonary arterial pressure; water intake
topics (OpenAlex): Plant and fungal interactions
Sources: Web Of Science, NC State University Libraries
Added: September 30, 2024

2024 article

136 Evaluation of internal parasite burden in grazing beef cattle in North Carolina over a production lifecycle

Williams, K. G., Pickworth, C. L., Weaver, A. R., & Poole, D. H. (2024, March 1). Journal of Animal Science, Vol. 102, pp. 67–68.

By: K. Williams*, C. Pickworth n , A. Weaver n & D. Poole n 

author keywords: beef; lifecycle; parasites
topics (OpenAlex): Helminth infection and control
Sources: Web Of Science, NC State University Libraries
Added: March 25, 2024

2024 article

31 Pastureland Ecology 1 provides hands-on training in grazing management for USDA-NRCS professionals

Poore, M. H., Shaeffer, A. D., Rogers, J. R., Weaver, A. R., Siciliano, P., & Harmon, D. (2024, March 1). Journal of Animal Science, Vol. 102, pp. 5–5.

By: M. Poore n, A. Shaeffer n, J. Rogers n, A. Weaver n, P. Siciliano n  & D. Harmon*

author keywords: ecology; hands-on learning; pastureland
topics (OpenAlex): Rangeland and Wildlife Management; Pasture and Agricultural Systems
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
15. Life on Land (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: March 25, 2024

2024 article

32 Amazing Grazing webinar and workshop series improves producers understanding of pasture ecology

Rogers, J. R., Poore, M. H., Shaeffer, A. D., Weaver, A. R., Siciliano, P., & Harmon, D. D. (2024, March 1). Journal of Animal Science, Vol. 102, pp. 7–8.

By: J. Rogers n, M. Poore n, A. Shaeffer n, A. Weaver n, P. Siciliano n  & D. Harmon*

author keywords: on-farm workshop; pasture ecology; adaptive grazing
topics (OpenAlex): Ruminant Nutrition and Digestive Physiology; Rangeland Management and Livestock Ecology; Pasture and Agricultural Systems
Sources: Web Of Science, NC State University Libraries
Added: March 25, 2024

2024 article

55 Evaluation of feed efficiency and feeding behavior in Katahdin lambs housed in a Vytelle Sense system

Valliere, N. K., Wright, L. L., Weaver, A. R., Bowdridge, S. A., & Greiner, S. P. (2024, March 1). Journal of Animal Science.

By: N. Valliere*, L. Wright, A. Weaver n, S. Bowdridge * & S. Greiner*

author keywords: feed efficiency; feeding behavior; sheep
topics (OpenAlex): Genetic and phenotypic traits in livestock
Source: Web Of Science
Added: March 25, 2024

2024 article

64 The effect of postweaning fecal egg count EBV on colostrum IgG concentration and color in Katahdin dams

Bentley, K., Weaver, A. R., Wright, L. L., Greiner, S. P., & Bowdridge, S. A. (2024, March 1). Journal of Animal Science.

By: K. Bentley *, A. Weaver n, L. Wright, S. Greiner* & S. Bowdridge *

author keywords: color; colostrum; IgG
topics (OpenAlex): Microbial infections and disease research
Source: Web Of Science
Added: March 25, 2024

2024 article

66 Effect of copper oxide wire particles on parasitism and growth in Katahdin lambs divergently selected for fecal egg count estimated breeding value

Geniac, V., Wright, L. L., Greiner, S. P., Bowdridge, S., & Weaver, A. R. (2024, March 1). Journal of Animal Science.

By: V. Geniac n, L. Wright, S. Greiner*, S. Bowdridge * & A. Weaver n

author keywords: copper oxide wire particles; parasites; sheep
topics (OpenAlex): Helminth infection and control
Source: Web Of Science
Added: March 25, 2024

2024 article

74 Effect of grazing native warm season grasses on parasitism and growth in weaned Katahdin lambs

Weaver, A. R., Holcomb, L., Smith, J., Brown, A., Der, H., & Rogers, J. R. (2024, March 1). Journal of Animal Science.

By: A. Weaver n, L. Holcomb*, J. Smith *, A. Brown n, H. Der n & J. Rogers n

author keywords: Native Warm Season Grass; parasites; sheep
topics (OpenAlex): Plant and fungal interactions; Ruminant Nutrition and Digestive Physiology
Source: Web Of Science
Added: March 25, 2024

2024 article

Exploring the impacts of fescue toxicosis on the pulmonary arterial pressure of angus cows

Rajo-Gomez, E. B., Giurgis, M., Pickworth, C. L., Weaver, A. R., Foster, D. M., Khanal, P., & Poole, D. H. (2024, January 1). Journal of Animal Science, Vol. 102.

By: E. Rajo-Gomez n , M. Giurgis n, C. Pickworth n , A. Weaver n, D. Foster n , P. Khanal *, D. Poole n 

author keywords: fescue toxicosis; pregnant cows; pulmonary arterial pressure
MeSH headings : Animals; Cattle; Female; Ergot Alkaloids / toxicity; Cattle Diseases / chemically induced; Cattle Diseases / microbiology; Animal Feed / analysis; Pulmonary Artery / drug effects; Pregnancy; Festuca / microbiology; Arterial Pressure / drug effects
topics (OpenAlex): Plant and fungal interactions; Plant Toxicity and Pharmacological Properties; Fungal Biology and Applications
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
Sources: Web Of Science, ORCID, NC State University Libraries
Added: October 8, 2024

2023 article

103 Impact of Fescue Variety on Fecal Egg Counts in Mature Beef Cattle

Williams, K., Rajo, E. B., Weaver, A. R., Poole, D. H., & Pickworth, C. L. (2023, May 1). Journal of Animal Science, Vol. 101.

By: K. Williams n, E. Rajo n , A. Weaver n, D. Poole n  & C. Pickworth n 

author keywords: fescue; parasite; cattle
topics (OpenAlex): Plant and fungal interactions; Nematode management and characterization studies
Sources: Web Of Science, NC State University Libraries
Added: March 4, 2024

2023 article

155 Rams Enrolled in the National Sheep Improvement Program have Improved Performance and Value in Ram Test Program

Weaver, A. R., Wright, D. L., & Greiner, S. P. (2023, May 1). Journal of Animal Science.

By: A. Weaver n, D. Wright* & S. Greiner*

author keywords: genetics; performance test; sheep
topics (OpenAlex): Plant and fungal interactions; Helminth infection and control
Source: Web Of Science
Added: March 4, 2024

2023 article

159 Evaluation of Supplemental Feeding Behavior and Growth Performance in Katahdin Lambs Divergently Selected for Fecal Egg Count Estimated Breeding Value

Valliere, N. K., Wright, D. L., Greiner, S. P., Bowdridge, S. A., & Weaver, A. R. (2023, May 1). Journal of Animal Science.

By: N. Valliere n, D. Wright*, S. Greiner*, S. Bowdridge * & A. Weaver n

author keywords: feeding behavior; performance; sheep
topics (OpenAlex): Genetic and phenotypic traits in livestock
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
Source: Web Of Science
Added: March 4, 2024

2023 article

160 The Effect of Postweaning Fecal Egg Count EBV on Colostrum IgG Concentration in Katahdin Dams

Bentley, K., Weaver, A. R., Wright, D. L., Greiner, S. P., & Bowdridge, S. A. (2023, May 1). Journal of Animal Science.

By: K. Bentley *, A. Weaver n, D. Wright*, S. Greiner* & S. Bowdridge *

author keywords: colostrum; IgG; Katahdin
topics (OpenAlex): Animal health and immunology
Source: Web Of Science
Added: March 4, 2024

2023 article

161 Evaluation of Feeding Behavior of Katahdin Lambs DuringHaemonchus Contortous Infection

Maierle, C., Weaver, A. R., Greiner, S. P., Felton, E., & Bowdridge, S. L. (2023, May 1). Journal of Animal Science.

By: C. Maierle*, A. Weaver n, S. Greiner*, E. Felton* & S. Bowdridge*

author keywords: feeding behavior; Growsafe; Katahdin
topics (OpenAlex): Helminth infection and control
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
Source: Web Of Science
Added: March 4, 2024

2023 article

182 North Carolina Small Ruminant Improvement Program Workshops Build Producer Knowledge of Important Management Techniques

Rogers, J. R., Weaver, A. R., & Cope, E. (2023, May 1). Journal of Animal Science.

By: J. Rogers n, A. Weaver n & E. Cope n

author keywords: management; sheep; workshops
topics (OpenAlex): Animal Behavior and Welfare Studies; Genetic and phenotypic traits in livestock; Animal Disease Management and Epidemiology
Source: Web Of Science
Added: March 4, 2024

2023 article

Post-weaning fecal egg count estimated breeding value is associated with greater antibody production after clostridial vaccination in Katahdin lambs

Bentley, K. L., Weaver, A. R., Wright, D. L., Greiner, S. P., & Bowdridge, S. A. (2023, October 28). Small Ruminant Research.

By: K. Bentley*, A. Weaver n, D. Wright*, S. Greiner* & S. Bowdridge *

author keywords: Katahdin; IgG; Immunity
topics (OpenAlex): Genetic and phenotypic traits in livestock; Reproductive Physiology in Livestock; Animal Behavior and Welfare Studies
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
Source: Web Of Science
Added: December 18, 2023

2022 article

Evaluation of terminal sire breeds for hair sheep production systems: Forage environment

Weaver, A. R., Wright, D. L., Notter, D. R., Zajac, A. M., Bowdridge, S. A., & Greiner, S. P. (2022, June 4). Small Ruminant Research.

By: A. Weaver*, D. Wright*, D. Notter *, A. Zajac *, S. Bowdridge * & S. Greiner*

author keywords: Sheep; Breed; Performance; Parasite resistance
topics (OpenAlex): Helminth infection and control; Plant and fungal interactions; Ruminant Nutrition and Digestive Physiology
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: July 11, 2022

2021 article

Immune mechanisms of Texel sheep to adult and egg stages of Haemonchus contortus

Weaver, A. R., Garza, J. J., Greiner, S. P., & Bowdridge, S. A. (2021, August 10). Parasite Immunology.

By: A. Weaver*, J. Garza *, S. Greiner* & S. Bowdridge *

author keywords: Haemonchus contortus; parasite; peripheral blood mononuclear cells; ruminant
MeSH headings : Animals; Feces; Haemonchiasis / veterinary; Haemonchus; Leukocytes, Mononuclear; Parasite Egg Count; Sheep; Sheep Diseases; Sheep, Domestic
topics (OpenAlex): Helminth infection and control; Parasite Biology and Host Interactions; Parasites and Host Interactions
TL;DR: Data from two studies suggest one of the mechanisms in Texel's targeting adult‐stage Hc reducing worm fecundity may be related to the mechanism causing the disparity in faecal egg counts. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Source: Web Of Science
Added: August 30, 2021

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