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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Conly, A. K. Poureslami, R. Koutsos, E. A. Batal, A. B. Jung, B. Beckstead, R. Peterson, D. G. |
| Description | Country affiliation: United States Author Affiliation: Conly AK ( Animal Science Department, California Polytechnic State University, San Luis Obispo, CA, USA.) |
| Abstract | These studies were designed to determine the relative bioavailability and tolerance of tribasic Mn chloride (TBMC) for growing broiler chickens. In experiment 1, birds were fed a basal diet (starter, 102 ppm; grower, 209 ppm) or the basal diet supplemented with 3,600, 4,500, or 5,400 ppm Mn from either TBMC or manganese sulfate $(MnSO_{4}),$ and BW, feed intake, and plasma Mn were measured. In experiments 2 and 3, diets included the basal diet (45 and 43 ppm Mn, respectively) and the basal diet supplemented with graded levels of either TBMC or $MnSO_{4}$ ranging from 30 to 240 ppm Mn. Body weight and feed intake were measured and tibia, bile, and liver were collected for mineral analysis; heart samples were taken for manganese superoxide dismutase activity, protein, and relative mRNA abundance. In experiment 1, BW differed among treatments, with higher Mn leading to lower BW (P < 0.05). Birds from all treatments showed higher plasma Mn than birds fed the basal diet. Birds supplemented with the highest level of $MnSO_{4}$ had the highest level of plasma Mn (P < 0.05). In experiment 2, tibia and liver Mn increased with higher dietary Mn regardless of source (P < 0.05). Liver Mn increased up to the 60 ppm diets whereas Mn in the tibia was highest with the 130 ppm diets. Bile Mn increased with increasing dietary Mn, but these differences were not significant. In experiment 3, manganese superoxide dismutase activity, protein, and relative mRNA abundance were not affected by diet. The calculated bioavailabilities of TBMC and $MnSO_{4}$ did not differ significantly (P > 0.20). Together, these results indicate that TBMC is as effective as and better tolerated than $MnSO_{4}$ and that supplementing Mn at the lowest level used in this study may be sufficient for normal development of broiler chickens. |
| File Format | HTM / HTML |
| ISSN | 00325791 |
| e-ISSN | 15253171 |
| Journal | Poultry Science |
| Issue Number | 7 |
| Volume Number | 91 |
| Language | English |
| Publisher | Oxford University Press |
| Publisher Date | 2012-07-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | Open |
| Subject Keyword | Discipline Veterinary Medicine Growth & Development Chlorides Pharmacology Dietary Supplements Manganese Compounds Animal Feed Animal Nutritional Physiological Phenomena Animals Bile Chemistry Biological Availability Bone And Bones Adverse Effects Pharmacokinetics Diet Veterinary Gene Expression Regulation Drug Effects Liver Rna, Messenger Genetics Metabolism Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Medicine Animal Science and Zoology |
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