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D E Ullrey

Explore the profile of D E Ullrey including associated specialties, affiliations and a list of published articles. Areas
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Articles 88
Citations 466
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Recent Articles
1.
Watkins B, Ullrey D, Whetter P
Am J Primatol . 2020 Feb; 9(2):137-144. PMID: 32102487
The acceptability and digestibility of a high-fiber biscuit-based diet was investigated using two adult male Colobus guereza animals. Although the animals were initially reluctant to accept the biscuit, it was...
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Shrestha S, Ullrey D, Bernard J, Wemmer C, Kraemer D
J Zoo Wildl Med . 1998 Nov; 29(3):269-78. PMID: 9809597
Plasma concentrations of alpha-tocopherol (vitamin E) and other analytes in Asian elephants (Elephas maximus) in Nepal were determined during typical work camp management of the elephants. Elephants foraged for food...
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Baer D, Oftedal O, Rumpler W, Ullrey D
J Nutr . 1997 Aug; 127(8):1501-7. PMID: 9237944
Herbivory is an uncommon feeding strategy in lizards. Appropriate diet formulations for captive lizards should be based on performance measures, yet few data are available on the effect of plant...
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Lei X, Ku P, Miller E, Yokoyama M, Ullrey D
J Anim Sci . 1994 Jan; 72(1):139-43. PMID: 8138481
A 2 x 2 x 2 factorial experiment was conducted with 64 pigs (4 wk old, 8.04 +/- .50 kg BW) to determine the effect of various dietary concentrations of...
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Lei X, Ku P, Miller E, Yokoyama M, Ullrey D
J Anim Sci . 1993 Dec; 71(12):3368-75. PMID: 8294289
Two experiments were conducted with crossbred weanling pigs to determine the optimal dietary supplement of Aspergillus niger phytase activity to a low-P, corn-soybean meal basal diet (BD). In Exp. 1,...
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Lei X, Ku P, Miller E, Ullrey D, Yokoyama M
J Nutr . 1993 Jun; 123(6):1117-23. PMID: 8389400
Two experiments were conducted to determine the effects of supplemental microbial phytase on utilization of dietary zinc by weanling pigs. Experiment 1 was a 2 x 3 factorial arrangement of...
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Ullrey D
J Anim Sci . 1992 Dec; 70(12):3922-7. PMID: 1474028
Selenium was discovered 174 yr ago but, until 1957, was given little notice by biologists or was vilified as an agent that caused toxicity in grazing ruminants and horses in...
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Podoll K, Bernard J, Ullrey D, DeBar S, Ku P, MAGEE W
J Anim Sci . 1992 Jun; 70(6):1965-70. PMID: 1321804
Food and Drug Administration regulations currently permit addition of .3 mg of Se per kilogram of diet for chickens, turkeys, ducks, swine, sheep, and cattle. However, field reports indicate that...
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Ullrey D, Allen M, Baer D
J Nutr . 1991 Nov; 121(11 Suppl):S193-205. PMID: 1941226
Psittacines are often classified as seed eaters despite studies that have established great diversity in food habits in the wild. While seeds are consumed, so are flowers, buds, leaves, fruits...