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A comparative study of heat tolerance and weight gain in (5/8 Holstein-Friesian-superscript 3/8 zebu) X 1/4 Holstein-Friesian (inter se), 5/8 Holstein-Friesian-superscript 3/8 zebu and superscript 3/4 Holstein-Friesian-1/4 zebu cattle



A comparative study of heat tolerance and weight gain in (5/8 Holstein-Friesian-superscript 3/8 zebu) X 1/4 Holstein-Friesian (inter se), 5/8 Holstein-Friesian-superscript 3/8 zebu and superscript 3/4 Holstein-Friesian-1/4 zebu cattle



Revista de Salud Animal 5(4): 793-801



From 18 Aug. to 18 Oct., rectal temp. and respiratory rate were measured twice daily in heifers of the 3 types (24, 18 and 16 animals resp.). There were no significant differences between the breed groups in rectal temp., but the superscript 3/4 Holstein-Friesian-1/4 criollo heifers had a significantly higher respiratory rate in the afternoon than those in the other 2 groups. Air temp. and humidity had a significant effect on rectal temp. and respiratory rate in all groups.

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Accession: 001152611

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