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The effect of a vitamin B12 deficiency on folic acid metabolism in germ-free and conventional ratsLa Iacona, Barbara Gail, January 1968 (has links)
Thesis (M.S.)--University of Wisconsin--Madison, 1968. / eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references.
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Roles of calcitriol and its analog on canine transitional cell carcinoma in vitro and in vivo, and in normal canine prostate tissue explantsKaewsakhorn, Thattawan, January 2007 (has links)
Thesis (Ph. D.)--Ohio State University, 2007. / Title from first page of PDF file. Includes bibliographical references (p. 95-105).
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The absorption and excretion of vitamin B₁₂ in animals and the levels in serum and tissuesSimnett, Ina January 1965 (has links)
No description available.
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The effect of dietry vitamin E supplementation on semen quality of A.I. dairy bullsLaRey, Kim Gail 02 September 2005 (has links)
Please read the abstract in the section 00front of this document / Dissertation (M Inst Agrar (Animal Production Management))--University of Pretoria, 2006. / Animal and Wildlife Sciences / unrestricted
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Fate of B-complex vitamins in the gastrointestinal tract of dairy cowsSantschi, Debora January 2004 (has links)
No description available.
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Studies on the vitamin D and calcium requirements of dairy cows /Vinet, Claire January 1987 (has links)
No description available.
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A study of the influence of dietary vitamin A on the level of liver and serum cholinesterase in rats /Garry, Philip J. January 1974 (has links)
No description available.
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The effect of dietary vitamin E on the humoral and cell-mediated immune response of pigs housed at different environmental temperatures or weaned at various agesBonnette, Edward Dwain January 1988 (has links)
A set of experiments were conducted to evaluate the antibody response, serum vitamin E level, cortisol concentration and performance of pigs weaned at three ages (21, 28 or 35 d) and fed diet containing either 11 or 220 IU/kg diet recommended level of vitamin E. Supplemental dietary vitamin E (220 IU) increased the concentration of serum vitamin E but, did not affect performance, cortisol concentrations or the antibody response. As weaning age increased, weekly performance increased linearly as did cortisol levels. Animals weaned at 35 d age had the largest primary antibody response, but this difference was not observed for the secondary response.
A second set of experiments evaluated effects of four dietary vitamin E levels (11, 110, 220 and 550 IU/kg feed) on the humoral and cell-mediated immune response and performance of 4 wk old weanling pigs housed at one of two nursery temperatures (19 or 30°C). Performance was greater for pigs housed at 19°C compared with pigs housed at 30°C, but mitogen stimulation indices of white blood cells, plasma cortisol levels, and antibody titers were similar. Serum and liver vitamin E levels linearly increased with increasing dietary vitamin E level, but performance, cortisol, antibody levels and mitogen induced stimulation indexes were not affected by supplemental vitamin E levels.
In the third experiment, sows fed a NRC level of vitamin E demonstrated little fluctuation in serum vitamin E concentration during a 5 wk lactation period. There was a high concentration of vitamin E in colostrum, followed by a sharp decrease in milk vitamin E concentration after the first week of lactation and remained constant for the next four weeks. Piglet serum was initially low in vitamin Eat 1 d of age but increased with time peaking about week 3.
These experiments suggest that supplementing dietary vitamin E above the levels recommended by the NRC to baby pigs (which nursed sows fed NRC recommended levels of vitamin E) will not influence cell-mediated or humeral immune response, performance parameters or cortisol levels when pigs were weaned at various ages or exposed to environmental temperature changes. / Doctor of Philosophy
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Effects of arginine, vitamin E and vitamin C on cardiopulmonary function and ascites parameters in broilers exposed to cold temperatureKawthekar, Sunil Bajirao. January 2007 (has links)
Two identical experiments were conducted to evaluate the combined effects of arginine (AR), vitamin E (VE) and vitamin C (VC) on cardiopulmonary performance and ascites parameters of broilers reared under cold environmental temperature. One d old male broilers were fed a basal corn-soybean meal diet (CTL, 1.2 % AR and 40 IU VE), the basal diet supplemented with 1% AR and either 200 IU VE (AE group), or 500 mg of VC (AC group), or a combination of VE and VC (AEC group) at the same level per kg of feed. Pulmonary arterial pressure (PAP) and mean arterial pressure (MAP) were recorded in clinically healthy anesthetized birds (28-42 d old) before and after an epinephrine challenge (EPI, 0.5 mg/kg BW i.v.), Amino-guanidine Hemisulphate (AG, 100 mg/kg BW i.v.) and N-Nitro L-Arginine Methyl Ester (L-NAME 50 mg/kg BW, i.v.) at 20 min intervals. The PAP increased 30 s after EPI in all birds, but the peak PAP was lower in the AEC group than in all the other birds. After 120 s of challenge the PAP was lower in AEC birds compared to the other birds. The PAP returned to pre-EPI levels within 300 s in all groups. The PAP was increased ( P< 0.05) within 60 s after the AG and L-NAME challenge in all groups, but no differences were found among groups. Plasma nitric oxide (NO) was higher in the AEC birds than in all the other groups before and after challenge. Our results showed that birds fed AEC maintained a lower PAP than the CTL birds after EPI elicited an increase in cardiac output and this can be explained by a higher production of NO. A combination of AR, VE, and VC may have complementary effects against oxidative stress, protecting the endothelium and preserving NO function.
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Effects of arginine, vitamin E and vitamin C on cardiopulmonary function and ascites parameters in broilers exposed to cold temperatureKawthekar, Sunil Bajirao. January 2007 (has links)
No description available.
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