P. Hatfield

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Pelleted-hay alfalfa feed increases sheep wether weight gain and rumen bacterial richness over loose-hay alfalfa feed

C. Yeoman, S. Ishaq, M. Lachman, 2019, bioRxiv.

Pelleted-hay alfalfa feed increases sheep wether weight gain and rumen bacterial richness over loose-hay alfalfa feed

C. Yeoman, S. Ishaq, M. Lachman, 2019, bioRxiv.

Incorporating sheep into dryland grain production systems. III. Impact on changes in soil bulk density and soil nutrient profiles

A. Lenssen, P. Hatfield, C. Marlow, 2007 .

Incorporating sheep into dryland grain production systems: I. Impact on over-wintering larva populations of wheat stem sawfly, Cephus cinctus Norton (Hymenoptera: Cephidae)

A. Lenssen, P. Hatfield, C. Marlow, 2007 .

The potential role of sheep in dryland grain production systems

A. Lenssen, P. Hatfield, H. Goosey, 2005 .

Organic Agriculture and the Quest for the Holy Grail in Water-Limited Ecosystems: Managing Weeds and Reducing Tillage Intensity

S. Johnson, E. Lehnhoff, P. Hatfield, 2017 .

Greenhouse gas emissions under winter wheat‐based organic and conventional crop productions

U. Sainju, P. Hatfield, D. Ragen, 2021 .

Effect of diet on the shedding of Escherichia coli O157:H7 in a sheep model

P. Hatfield, C. J. Hovde, I. Kudva, 1995, Applied and environmental microbiology.

Evaluation of ewe and lamb immune response when ewes were supplemented with vitamin E.

J. Daniels, P. Hatfield, J. Bowman, 2000, Journal of animal science.

Individual mineral supplement intake by ewes swath grazing or confinement fed pea-barley forage

P. Hatfield, J. Bowman, M. K. Petersen, 2015 .

Crop yields and soil organic matter responses to sheep grazing in US northern Great Plains

C. Montagne, U. Sainju, A. Lenssen, 2013 .

Hymenoptera Parasitoid Response to Sheep Grazing, Tillage, and Herbicides in Wheat-Fallow Rotations

G. D. Johnson, P. Hatfield, M. G. Rolston, 2013 .

Effects of supplemental safflower and vitamin E during late gestation on lamb growth, serum metabolites, and thermogenesis.

P. Hatfield, B. Sowell, J. M. Dafoe, 2008, Journal of animal science.

Psyllium Lowers Blood Glucose and Insulin Concentrations in Horses

P. Hatfield, J. Bowman, S. Moreaux, 2011 .

Yield, Quality, and Water and Nitrogen Use of Durum and Annual Forages in Two-Year Rotations

U. Sainju, A. Lenssen, P. Hatfield, 2010 .

Escherichia coli O157:H7 in microbial flora of sheep

P. Hatfield, I. Kudva, C. Hovde, 1996, Journal of clinical microbiology.

Feedlot performance, carcass composition, and muscle and fat CLA concentrations of lambs fed diets supplemented with safflower seeds

P. Hatfield, R. Kott, J. Boles, 2003 .

Effects of level of energy intake and energy demand on growth hormone, insulin, and metabolites in Targhee and Suffolk ewes.

P. Hatfield, D. Hallford, J. Fitzgerald, 1999, Journal of animal science.

Sheep Grazing Enhances Coarse Relative to Microbial Organic Carbon in Dryland Cropping Systems

U. Sainju, A. Lenssen, P. Hatfield, 2016 .

Particulate and active soil nitrogen fractions are reduced by sheep grazing in dryland cropping systems

U. Sainju, A. Lenssen, P. Hatfield, 2014, Nutrient Cycling in Agroecosystems.

Thermogenesis, blood metabolites and hormones, and growth of lambs born to ewes supplemented with algae-derived docosahexaenoic acid.

P. Hatfield, R. Kott, J. Berardinelli, 2011, Journal of animal science.

Evaluating the effects of finishing diet and feeding location on sheep performance, carcass characteristics, and internal parasites

M. Butler, P. Hatfield, W. Layton, 2021, Journal of animal science and technology.

Zinc and copper status in ewes supplemented with sulfate- and amino acid-complexed forms of zinc and copper.

P. Hatfield, R. Ansotegui, R. Kott, 2001, Journal of animal science.

Reproductive performance of ewe lambs from ewes from different selection practices with or without induced estrus.

M. Wulster-Radcliffe, P. Hatfield, J. W. Walker, 2001, Animal reproduction science.

Effects of level of protein and type of molasses on digesta kinetics and blood metabolites in sheep

J. A. Hopkins, P. Hatfield, W. Ramsey, 1998 .

Effects of dietary vitamin E supplementation during late pregnancy on lamb mortality and ewe productivity.

V. M. Thomas, P. Hatfield, R. Kott, 1998, Journal of the American Veterinary Medical Association.

Production by ewes rearing single or twin lambs: effects of dietary crude protein percentage and supplemental zinc methionine.

T. Besser, R. Stobart, P. Hatfield, 1995, Journal of animal science.

Training lambs to be weed eaters: Studies with leafy spurge

P. Hatfield, H. Glimp, J. Walker, 1992 .

Feedlot performance and carcass characteristics of spring-born wethers finished and processed in the fall or spring

P. Hatfield, R. Kott, B. Roeder, 2006 .

Palatability of wethers fed an 80% barley diet processed at different ages and of yearling wethers grazed on native range.

J. A. Hopkins, R. Field, P. Hatfield, 2000, Journal of animal science.

Role of supplemental vitamin E in lamb survival and production: A review

J. Daniels, P. Hatfield, R. Kott, 2000 .

Effects of supplemental protein source on passage of nitrogen to the small intestine, nutritional status of pregnant ewes, and wool follicle development of progeny.

V. M. Thomas, P. Hatfield, R. Kott, 1993, Journal of animal science.

Supplemental safflower oil affects the fatty acid profile, including conjugated linoleic acid, of lamb.

P. Hatfield, R. Kott, J. Boles, 2005, Journal of animal science.

Pellet and block supplements for grazing ewes

J. Drouillard, P. Hatfield, D. Dhuyvetter, 2002 .

Feedlot Performance, Carcass Characteristics, and Muscle CLA Concentration of Lambs Fed Diets Supplemented with Safflower Seeds and Vitamin E

P. Hatfield, R. Kott, J. Boles, 2010 .

Technical note: effects of supplementation of expired human foodstuffs on intake and digestion by wethers fed a base diet of grass hay and alfalfa/barley pellets.

B. Nichols, T. McDonald, P. Hatfield, 2013 .

Relationships among ewe milk production and ewe and lamb forage intake in Suffolk and Targhee ewes nursing single or twin lambs.

J. D. Wallace, P. Hatfield, W. S. Ramsey, 1998, Journal of animal science.

Relationships among ewe milk production and ewe and lamb forage intake in Targhee ewes nursing single or twin lambs.

J. D. Wallace, G. M. Southward, P. Hatfield, 1994, Journal of animal science.

Effects of late gestation supplementation of rumen undegradable protein, vitamin E, zinc, and chlortetracycline to ewes on indices of immune transfer and productivity.

P. Hatfield, R. Kott, J. Boles, 2010, Journal of animal science.

Characterization of the Vaginal Microbiota of Ewes and Cows Reveals a Unique Microbiota with Low Levels of Lactobacilli and Near-Neutral pH

C. Yeoman, M. Lachman, P. Hatfield, 2014, Front. Vet. Sci..

Comparing the captec bolus to chromic oxide dosed twice daily using sheep in confinement.

P. Hatfield, H. Glimp, J. Walker, 1991 .

Sheep Grazing to Manage Crop Residues, Insects and Weeds in Northern Plains Grain and Alfalfa Systems

A. Lenssen, P. Hatfield, H. Goosey, 2011 .

CHAPTER 14 : Incorporating Targeted Grazing into Farming Systems

A. Lenssen, P. Hatfield, H. Goosey, 2007 .

Integrating sheep grazing into wheat-fallow systems: Crop yield and soil properties

U. Sainju, A. Lenssen, P. Hatfield, 2013 .

Effect of naloxone on intake and growth hormone concentration in lactating and non-lactating ewes.

P. Hatfield, J. Fitzgerald, W. S. Ramsey, 1999 .

The effects of amount of whole barley, barley bulk density, and form of roughage on feedlot lamb performance, carcass characteristics, and digesta kinetics.

J. A. Hopkins, P. Hatfield, C. W. Hunt, 1997, Journal of Animal Science.

Effects of breed, sex, birth type and colostrum intake on cold tolerance in newborn lambs.

P. Hatfield, B. Sowell, R. Kott, 2000 .

Effect of level of intake and supplemental barley on marker estimates of fecal output using an intraruminal continuous-release chromic oxide bolus.

D. Adams, P. Hatfield, J. W. Walker, 1991, Journal of animal science.

Forage intake by lactating beef cows differing in potential for milk production.

K. Eskridge, P. Hatfield, D. Sanson, 1989, Journal of animal science.

Sheep grazing behavior as affected by supplementation.

M. Galyean, P. Hatfield, T. Ross, 1990 .

Drylot performance and ruminal papillae development of lambs exposed to a high concentrate diet while nursing

C. F. Parker, F. Provenza, P. Hatfield, 1992 .

Incorporating sheep into dryland grain production systems II. Impact on changes in biomass and weed density

A. Lenssen, P. Hatfield, C. Marlow, 2007 .

Net Greenhouse Gas Emissions Affected by Sheep Grazing in Dryland Cropping Systems

C. Montagne, U. Sainju, A. Lenssen, 2013 .

Impacts of cropping system and management practices on the assembly of weed communities

J. Barroso, E. Lehnhoff, P. Hatfield, 2015 .

Integrating Sheep Grazing into Cereal‐Based Crop Rotations: Spring Wheat Yields and Weed Communities

U. Sainju, A. Lenssen, P. Hatfield, 2015 .

Zinc and copper status in ewes supplemented with sulfate-and amino acid-complexed forms of zinc and copper 1

P. Hatfield, R. Ansotegui, R. Kott, 2000 .

Effect of selection for lifetime production of lamb weaned on hormonal factors that affect growth in Targhee ewes and lambs.

P. Hatfield, D. Hallford, M. K. Petersen, 1996, Journal of animal science.

Characterization of Escherichia coli O157:H7 and other Shiga toxin-producing E. coli serotypes isolated from sheep

P. Hatfield, I. Kudva, I T Kudva, 1997, Journal of clinical microbiology.

Dryland Soil Carbon and Nitrogen Influenced by Sheep Grazing in the Wheat–Fallow System

Erin M. Snyder, U. Sainju, A. Lenssen, 2010 .