Evaluation of different shades to improve dairy cattle well-being in Argentina

Two tree shades (TS1 and TS2) and an artificial shade structure (AS) were evaluated using black globe temperatures (BGTs) to assess their effectiveness in reducing heat load. The artificial structure consisted of a black woven polypropylene cloth providing 80% shade, mounted on 2.5-m-high eucalyptus...

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Bibliographic Details
Published in:International journal of biometeorology 1997-11, Vol.41 (2), p.65-67
Main Authors: Valtorta, S.E, Leva, P.E, Gallardo, M.R
Format: Article
Language:English
Subjects:
Animal Husbandry
Animal Welfare
Animals
Animals, Domestic
Argentina
Body Temperature
Cattle
Female
Hot Temperature
Sunlight
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Summary:Two tree shades (TS1 and TS2) and an artificial shade structure (AS) were evaluated using black globe temperatures (BGTs) to assess their effectiveness in reducing heat load. The artificial structure consisted of a black woven polypropylene cloth providing 80% shade, mounted on 2.5-m-high eucalyptus posts. The work was carried out at Rafaela Experimental Station, Argentina, during the summer (January and February) 1994. BGTs and floor temperatures were measured in concrete floor holding pens with and without artifical shade. The results showed no difference between TS1, TS2 and AS, their average BGTs being 30.2 (SD 0.58), 29.0 (SD 0.70) and 30.2 (SD 0.74) degrees C, respectively. BGTs under all three shades were significantly lower (P
ISSN:0020-7128
1432-1254
DOI:10.1007/s004840050055