P.H. Simmins

2.4k citations

51 papers · 1.8k · h-index 25

Impact in

Animal Science and Zoology top 0.2%
- Animal Nutrition and Physiology
- Meat and Animal Product Quality
- Rabbits: Nutrition, Reproduction, Health
- Livestock and Poultry Management
Small Animals top 0.2%
- Animal Behavior and Welfare Studies

Papers in

Animal Science and Zoology 42
- Animal Nutrition and Physiology 40
- Meat and Animal Product Quality 9
- Rabbits: Nutrition, Reproduction, Health 8
Small Animals 26
- Animal Behavior and Welfare Studies 26

Co-authors: R. T. Zijlstra (7 shared papers)A. Owusu-Asiedu (11 shared papers)Hagen Schulze (3 shared papers)John F. Patience (3 shared papers)A.B. Lawrence (7 shared papers)S.A. Edwards (8 shared papers)H.A.M. Spoolder (6 shared papers)B.P. Mullan (4 shared papers)
Journals: Journal of Animal Science (8 papers)Canadian Journal of Animal Science (5 papers)Animal Science (4 papers)Livestock Science (4 papers)Applied Animal Behaviour Science (4 papers)
Partner nations: Canada United Kingdom United States

In The Last Decade

P.H. Simmins

50 papers receiving 1.7k citations

Peers

Replace E. Beltranena with:

E. Beltranena Canada

A. Aumaı̂tre France

M.W.A. Verstegen Netherlands

Brou Kouakou United States

M. Rademacher Germany

K. J. McCracken United Kingdom

D. Torrallardona Spain

Serge Dubois France

D. Shinder Israel

John A. Unruh United States

P.H. Simmins relative to E. Beltranena Canada E. Beltranena's profile →

Citations per field

00.5×1.6×

E. Beltranena · 1×

×0.9 1k/2k

ASZ

×1.6 711/446

SA

×0.7 283/380

ACS

×0.9 141/153

AS

×1.0 208/207

ND

Citations per year

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Countries citing papers authored by P.H. Simmins

Since Specialization

Citations

This map shows the geographic impact of P.H. Simmins's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by P.H. Simmins with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites P.H. Simmins more than expected).

Fields of papers citing papers by P.H. Simmins

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by P.H. Simmins. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by P.H. Simmins. The network helps show where P.H. Simmins may publish in the future.

Co-authors

The 25 scholars most cited alongside P.H. Simmins, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with P.H. Simmins Line = papers co-authored together P.H. Simmins links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

Showing the 20 most-cited of 51 papers — load more, or switch the sort, to bring in the rest.

#	Work
1	Timing and causes of piglet mortality in alternative and conventional farrowing systems Veterinary Record ·J.N. Marchant, A.R. Rudd, Michael Mendl, D. M. Broom, Michael Meredith, S. Corning, P.H. Simmins	2000	199
2	Effects of guar gum and cellulose on digesta passage rate, ileal microbial populations, energy and protein digestibility, and performance of grower pigs1,2 Journal of Animal Science ·A. Owusu-Asiedu, John F. Patience, B. Laarveld, Andrew G. Van Kessel, P.H. Simmins, R. T. Zijlstra	2006	153
3	Sites of nutrient digestion in growing pigs: Effect of dietary fiber1 Journal of Animal Science ·Aurélie Wilfart, Lucile Montagné, P.H. Simmins, Jaap J. van Milgen, J. Noblet	2007	114
4	Effects of supplementing diets containing hulless barley varieties having different levels of non-starch polysaccharides with β-glucanase and xylanase on the physiological status of the gastrointestinal tract and nutrient digestibility of weaned pigs Livestock Production Science ·Y-L Yin, S. K. Baidoo, Hagen Schulze, P.H. Simmins	2001	101
5	Effects of individual or combined xylanase and phytase supplementation on energy, amino acid, and phosphorus digestibility and growth performance of grower pigs fed wheat-based diets containing wheat millrun1 Journal of Animal Science ·T.N. Nortey, John F. Patience, P.H. Simmins, N. L. Trottier, R. T. Zijlstra	2007	95
6	The effect of different carbohydrase and protease supplementation on apparent (ileal and overall) digestibility of nutrients of five hulless barley varieties in young pigs Livestock Production Science ·Yulong Yin, S. K. Baidoo, (unknown), Y. G. Liu, Hagen Schulze, P.H. Simmins	2001	84
7	Individual behavioural differences in pigs: intra-and inter-test consistency Applied Animal Behaviour Science ·H.A.M. Spoolder, J.A. Burbidge, A.B. Lawrence, P.H. Simmins, S.A. Edwards	1996	80
8	Provision of straw as a foraging substrate reduces the development of excessive chain and bar manipulation in food restricted sows Applied Animal Behaviour Science ·H.A.M. Spoolder, J.A. Burbidge, S.A. Edwards, P.H. Simmins, A.B. Lawrence	1995	78
9	Future of NSP-degrading enzymes to improve nutrient utilization of co-products and gut health in pigs Livestock Science ·R. T. Zijlstra, A. Owusu-Asiedu, P.H. Simmins	2010	74
10	The digestible energy value of wheat for pigs, with special reference to the post-weaned animal [Review] Animal Feed Science and Technology ·Jae-Cheol Kim, P.H. Simmins, B.P. Mullan, J.R. Pluske	2005	73
11	Dietary betaine supplementation affects energy metabolism of pigs Journal of Animal Science ·J.W. Schrama, M.J.W. Heetkamp, P.H. Simmins, W.J.J. Gerrits	2003	69
12	The efficacy of an Escherichia coli-derived phytase preparation1 Journal of Animal Science ·O. Adeola, J. S. Sands, P.H. Simmins, Hagen Schulze	2004	62
13	Variation in the chemical composition of wheats grown in Western Australia as influenced by variety, growing region, season, and post-harvest storage Australian Journal of Agricultural Research ·Jae-Cheol Kim, B.P. Mullan, P.H. Simmins, J.R. Pluske	2003	59
14	Effect of equi-molar dietary betaine and choline addition on performance, carcass quality and physiological parameters of pigs Animal Science ·Hilkka Siljander-Rasi, Seppo Peuranen, Kirsti Tiihonen, Erkki Virtanen, Hannele Kettunen, Timo Alaviuhkola, P.H. Simmins	2003	59
15	Influence of feed processing on the efficacy of exogenous enzymes in broiler diets World s Poultry Science Journal ·A.M. Amerah, C. Gilbert, P.H. Simmins, V. Ravindran	2011	56
16	The effect of wheat phosphorus content and supplemental enzymes on digestibility and growth performance of weaner pigs Animal Feed Science and Technology ·Jae-Cheol Kim, P.H. Simmins, B.P. Mullan, J.R. Pluske	2004	43
17	Effect of dietary particle size and carbohydrase and/or phytase supplementation on nitrogen and phosphorus excretion of grower pigs Canadian Journal of Animal Science ·M.A. Oryschak, P.H. Simmins, R. T. Zijlstra	2002	37
18	Effect of xylanase and β-glucanase on growth performance and nutrient digestibility in piglets fed wheat–barley-based diets Livestock Science ·A. Owusu-Asiedu, P.H. Simmins, J. Brufau, R. Lizardo, A. Péron	2010	33
19	The relationship between liveweight and the intake of bulky foods in pigs Proceedings of the British Society of Animal Science ·E.C. Whittemore, G. C. Emmans, I. Kyriazakis, P. W. Knap, P.H. Simmins, S. Jagger	2003	32
20	Near-Infrared Reflectance Spectroscopy in Precision Feed Formulation The Journal of Applied Poultry Research ·T. A. T. G. van Kempen, P.H. Simmins	1997	32

About P.H. Simmins

P.H. Simmins is a scholar working on Animal Science and Zoology, Small Animals, Agronomy and Crop Science, Plant Science and Ecology, having authored 51 papers that have together received 1.8k indexed citations. Recurring topics across this work include Animal Nutrition and Physiology (40 papers), Animal Behavior and Welfare Studies (26 papers), Ruminant Nutrition and Digestive Physiology (10 papers), Phytase and its Applications (9 papers), Meat and Animal Product Quality (9 papers), Rabbits: Nutrition, Reproduction, Health (8 papers), Human-Animal Interaction Studies (3 papers) and Agriculture Sustainability and Environmental Impact (3 papers). The work is most often cited by research in Animal Science and Zoology (1.4k citations), Small Animals (711 citations), Agronomy and Crop Science (283 citations), Aquatic Science (141 citations) and Nutrition and Dietetics (208 citations). P.H. Simmins has collaborated with scholars based in Canada, United Kingdom and United States. Frequent co-authors include R. T. Zijlstra, A. Owusu-Asiedu, Hagen Schulze, John F. Patience, A.B. Lawrence, S.A. Edwards, H.A.M. Spoolder, B.P. Mullan, J.R. Pluske and Jae-Cheol Kim. Their work appears in journals such as Journal of Animal Science, Canadian Journal of Animal Science, Animal Science, Livestock Science and Applied Animal Behaviour Science.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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