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An experiment was conducted to investigate the effects of feeding a blend of grains naturally contaminated with Fusarium mycotoxins on growth and immunological parameters of starter pigs. A polymeric glucomannan mycotoxin adsorbent (GM polymer, Alltech Inc., Nicholasville, KY) was also tested for its efficacy in preventing Fusarium mycotoxicoses. A total of(More)
Experiments were conducted to determine the effects of feeding grains naturally contaminated with Fusarium mycotoxins on performance, metabolism, hematology, and immune competence of ducklings. Four hundred sixty-four 1-d-old White Pekin male ducklings were fed starter (0 to 2 wk), grower (3 to 4 wk), and finisher (5 to 6 wk) diets formulated with(More)
Male and female C57BL/6J mice, initially 19 days old, consumed a complete purified diet either ad libitum (age-matched control) or in restricted daily quantities (energy deficiency), or they consumed a purified isocaloric low-protein diet ad libitum (protein and energy deficit). In a 14-day experimental period, malnourished animals lost approximately 1.5%(More)
A low ratio of cellular numbers within CD4+ (helper/inducer) relative to CD8+ (suppressor/cytotoxic) thymic lymphocyte subsets (low CD4/CD8 ratio) is widely accepted as fundamental to the depression in thymus-dependent immunocompetence associated with wasting protein-energy malnutrition (PEM). The objective of this investigation, therefore was to determine(More)
The objective of this investigation was to determine the influence of wasting protein and/or energy deficits on the capacity of dendritic cells to initiate primary responses. Weanling male and female C57BL/6J mice were permitted free access to a complete purified diet, free access to an isocaloric low protein purified diet (combined deficiencies of protein(More)
The objective of the present work was to determine the dietary biotin requirements of young, rapidly growing rainbow trout according to independently measured parameters. Two experiments were conducted with a purified diet which had a basal biotin level of 0.01-0.02 mg/kg. A third study was done with a nonpurified diet with or without a supplement of 1.0 mg(More)
The volume of epithelium in the cortex and in the medulla of the thymus was compared in four groups of weanling male and female CBA/J mice. Well-nourished controls (C), food intake restricted (R), and animals given a low-protein diet ad libitum (LP) were fed from 23 to 37 days of age. Baseline controls (B) were studied at 23 days of age. Epithelial volume(More)
The objective of this investigation was to determine the influence of weanling caloric restriction on the expression of the polymeric immunoglobulin receptor (pIgR) in the liver and intestine and on the levels of IgA in the blood and intestinal secretions. Male C57BL/6J mice were allocated to a zero-time control group (19 days of age) or to groups fed for(More)