G. C. Waghorn

Massey University — New Zealand

Agricultural and Biological Sciences · Life Sciences

62h-index14.1kcitations157works0.02yr avg
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Research Topics

Ruminant Nutrition and Digestive Physiology(130), Genetic and phenotypic traits in livestock(34), Reproductive Physiology in Livestock(22), Agriculture Sustainability and Environmental Impact(18), Plant and fungal interactions(17)

Publications155 total

A Nutritional Investigation of Major Feed Types and Feed Rations Used in Medium-Scale Dairy Production Systems in Sri Lanka
Animals·2022· 2 citedOpen Access
A review of technical variations and protocols used to measure methane emissions from ruminants using respiration chambers, SF6 tracer technique and GreenFeed, to facilitate global integration of published data
Animal Feed Science and Technology·2021· 42 cited
Implications of Excess Nitrogen for Intake, Diet Choice and Production of Sheep Fed Temperate Pastures
UKnowledge (University of Kentucky)·2021Open Access
Screening Fresh Forages for Protein Degradation and Nutritive Value
UKnowledge (University of Kentucky)·2021· 1 cited
Effect of sedatives on rumen motility in sheep
Small Ruminant Research·2020· 5 citedOpen Access
Rumen digesta and products of fermentation in cows fed varying proportions of fodder beet (Beta vulgaris) with fresh pasture or silage or straw
Animal Production Science·2020· 20 cited
Partition of dietary energy by sheep fed fresh ryegrass (Lolium perenne) with a wide-ranging composition and quality
Animal Production Science·2019· 8 cited
A meta-analysis comparing four measurement methods to determine the relationship between methane emissions and dry-matter intake in New Zealand dairy cattle
Animal Production Science·2018· 25 cited
Benefits of Condensed Tannins in Forage Legumes Fed to Ruminants: Importance of Structure, Concentration, and Diet Composition
Crop Science·2018· 233 citedOpen Access
Digestion and nitrogen excretion by Holstein–Friesian cows in late lactation offered ryegrass-based pasture supplemented with fodder beet
Animal Production Science·2018· 26 cited
Effects of feeding Lespedeza cuneata pellets with Medicago sativa hay to sheep: Nutritional impact, characterization and degradation of condensed tannin during digestion
Animal Feed Science and Technology·2018· 16 citedOpen Access
Digestion and nitrogen excretion by Holstein-Friesian cows fed grasses with lucerne or lucerne and plantain
Animal Production Science·2018· 13 cited
Methane and carbon dioxide emissions from lactating dairy cows grazing mature ryegrass/white clover or a diverse pasture comprising ryegrass, legumes and herbs
Animal Production Science·2018· 43 cited
Including chicory or plantain in a perennial ryegrass/white clover-based diet of dairy cattle in late lactation: Feed intake, milk production and rumen digestion
Animal Feed Science and Technology·2017· 74 cited
Seasonal changes in the digesta-adherent rumen bacterial communities of dairy cattle grazing pasture
PLoS ONE·2017· 62 citedOpen Access
Feeding diets with fodder beet decreased methane emissions from dry and lactating dairy cows in grazing systems
Animal Production Science·2017· 24 cited
Sheep numbers required for dry matter digestibility evaluations when fed fresh perennial ryegrass or forage rape
Animal nutrition·2016· 8 citedOpen Access
Enteric methane and carbon dioxide emissions measured using respiration chambers, the sulfur hexafluoride tracer technique, and a GreenFeed head-chamber system from beef heifers fed alfalfa silage at three allowances and four feeding frequencies1–3
Journal of Animal Science·2016· 34 cited
Passive mechanical properties of ovine rumen tissue
International Journal for Computational Methods in Engineering Science and Mechanics·2016· 1 cited
Measuring methane from grazing dairy cows using GreenFeed
Animal Production Science·2016· 44 cited
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Frequent Co-authors

Warren C. McNabb(13), T. N. Barry(11), I. D. Shelton(8), A.N. Hristov(5), J. Dijkstra(5), J.H. Niezen(5), W.A.G. Charleston(5), J. Oh(4), J.L. Firkins(4), E. Kebreab(4), H.P.S. Makkar(4), Pierre Gerber(4), B. Henderson(4), J.M. Tricárico(4), Felipe Montes(4), M. J. Ulyatt(4), Y. Wang(4), A.T. Adesogan(3), Robert J. Meinen(3), Troy Ott(3)