Document Detail

Investigations of leg abnormalities in chicks consuming high tannin sorghum grain diets.
MedLine Citation:
PMID:  566919     Owner:  NLM     Status:  MEDLINE    
Studies were conducted into the etiology of leg abnormalities noted in chicks fed high tannin sorghum grain diets. These anomalies were characterized by a bowing of the legs with a swelling of the hock joints. The incidence of these leg problems was found to be markedly higher when the amino acids in the diet provided by soybean meal were replaced by crystalline amino acids. Supplemental vitamins and minerals had no alleviating effect on the leg problem. Bone mineralization was apparently not influenced by tannins as demonstrated by similar bone ash values for chicks fed high or low tannin sorghums. A possible alteration caused by tannin in the organic matrix of bone is discussed. High tannin sorghum depressed chick growth and feed conversion when compared with low tannin sorghum in both sorghum-soybean meal and sorghum-amino acid rations. This growth depression was overcome by supplementing the high tannin sorghum-soybean meal diet with .15% DL-methionine, but no growth response was observed from a similar supplementation of a high tannin sorghum-amino acid diet.
R G Elkin; W R Featherston; J C Rogler
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Poultry science     Volume:  57     ISSN:  0032-5791     ISO Abbreviation:  Poult. Sci.     Publication Date:  1978 May 
Date Detail:
Created Date:  1978-09-29     Completed Date:  1978-09-29     Revised Date:  2003-11-14    
Medline Journal Info:
Nlm Unique ID:  0401150     Medline TA:  Poult Sci     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  757-62     Citation Subset:  IM    
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MeSH Terms
Amino Acids / adverse effects
Animal Feed / adverse effects*
Bone Diseases, Developmental / etiology,  prevention & control,  veterinary*
Cereals / adverse effects*
Femur / metabolism
Methionine / therapeutic use
Poultry Diseases / etiology*,  prevention & control
Tannins / adverse effects*
Reg. No./Substance:
0/Amino Acids; 0/Tannins; 63-68-3/Methionine

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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