Document Detail

Evaluation of biochemical and ultrasonographic measurements as indicators of undernutrition in cattle.
MedLine Citation:
PMID:  19040135     Owner:  NLM     Status:  MEDLINE    
Body condition scoring (BCS) gives an indication of the nutritional status of an animal and it is thus an invaluable management tool in domestic livestock systems. It is, however, subjective. This study aimed at identifying biochemical indicators which could be objectively used as an indicator of undernutrition in ruminants. Blood samples were collected from 50 cattle with BCS < or =1 and from 50 cattle with BCS > or =2.5, using a 0-5 scale, and analysed for albumin, urea, creatinine, fructosamine, beta-hydroxybutyrate, non-esterified fatty acids, total serum protein and haematocrit. Rumpfat and ribfat thickness and marbling relative index were determined ultrasonographically in 15 of the low BCS group and 13 of the high BCS group. The laboratory measure with the best predictive ability for severe undernutrition was albumin, which correctly classified 94% of cattle, using a cut-off of 31.5 g/l. In contrast to a previous study, our study did not find the fructosamine:albumin ratio to be an accurate test to indicate undernutrition in cattle. Ultrasonic measurement of subcutaneous rumpfat and ribfat proved to reliably predict undernutrition, but may, however be impractical for routine use under most field conditions.
S Strydom; S Agenäs; M F Heath; C J C Phillips; G H Rautenbach; P N Thompson
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Onderstepoort journal of veterinary research     Volume:  75     ISSN:  0030-2465     ISO Abbreviation:  Onderstepoort J. Vet. Res.     Publication Date:  2008 Sep 
Date Detail:
Created Date:  2008-12-01     Completed Date:  2009-01-02     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0401107     Medline TA:  Onderstepoort J Vet Res     Country:  South Africa    
Other Details:
Languages:  eng     Pagination:  207-13     Citation Subset:  IM    
Department of Production Animal Studies, Faculty of Veterinary Science, University of Pretoria, Private Bag X04, Onderstepoort, 0110, South Africa.
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MeSH Terms
Adipose Tissue / ultrasonography
Animal Feed
Animal Nutritional Physiological Phenomena
Blood Chemical Analysis / methods,  veterinary*
Blood Proteins / metabolism
Blood Urea Nitrogen
Body Composition / physiology*
Body Weight / physiology
Cattle Diseases / blood*,  diagnosis,  ultrasonography*
Creatinine / blood
Fatty Acids, Nonesterified / blood
Fructosamine / blood
Malnutrition / blood,  diagnosis,  ultrasonography,  veterinary*
Nutrition Assessment
Nutritional Status*
Serum Albumin / analysis
Reg. No./Substance:
0/Blood Proteins; 0/Fatty Acids, Nonesterified; 0/Serum Albumin; 4429-04-3/Fructosamine; 60-27-5/Creatinine

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