A Heat Balance Model for Cattle in Tropical Environments;Um Modelo para a Determinação do Equilíbrio Térmico de Bovinos em Ambientes Tropicais

Revista Brasileira de Zootecnia

Volumn 29, Issue 4, 2000, Pages 1244-1252

  Da Silva, Roberto Gomes ^a  

^a SÃO PAULO STATE UNIVERSITY UNESP   (Brazil)

Author keywords

Cattle; Model; Thermoregulation

Indexed keywords

EID: 0347617119     PISSN: 01004859     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (32)

1. BERMAN, A. 1971. Thermoregulation in intensively lactating cows in near-natural conditions. J. Physiol., 215:477-482.
2. BLAXTER, K. 1967. The energy metabolism of ruminants. 2.ed. London: Hutchinson. 250p.
3. BLAXTER, K. 1989. Energy metabolism in animals and man. Cambridge: Cambridge Univ. Press. 336p.
4. BORGES, F.M.A. Relações entre as caraterísticas do pelame, a taxa de sudação e o comportamento de vacas Holandesas na pastagem. Jaboticabal: FCAVJ-UNESP, 1985. 40p. Monografia (Graduação em Zootecnia) - Uni versidade Estadual Paulista, 1985.
5. CHAPMAN, A.J. 1987. Fundamentals of heat transfer. New York: MacMillan. 751p.
6. FINCH, V. A. 1985. Comparison of non-evaporative heat transfer in different catle breeds. Aust. J. Agric. Res., 36:497-508.
7. FINCH, V.A., BENNETT, I.L., HOLMES, C.R. 1982. Sweating response in cattle and its relation to rectal temperature, tolerance of sun and metabolic rate. J. Agric. Sci., 99:479-487.
8. HERRINGTON, L.P., WINSLOW, C.E.A., GAGGE, A.P. 1937. The relative influence of radiation and convection upon vasomotor temperature regulation. Amer. J. Physiol., 120:133-143.
9. HUTCHINSON, J.C.D., BROWN, G.D. 1969. Penetrance of cattle coats by radiation. J. Applied Physiol., 26:454-464.
10. KIBLER, H.H., BRODY, S. 1950. Environmental Physiology XI. Effects of temperature, 50° to 150°F on heat production and cardiorespiratory activities in Brahman, Jersey, and Holstein cows. Missouri Agr. Exp. Sta. Res. Bull., n. 461, 29p.
11. KLEIBER, M. 1961. The fire of life. New York: J. Wiley. 454p.
12. LIMA, L.O.S.L. Aspectos genéticos da relação entre a taxa de sudação e a produção de leite em vacas da raça Holandesa. Jaboticabal, SP: FCAVJ, 1991. 62p. Tese (Doutorado em Zootecnia), Faculdade de Ciências Agrárias e Veterinárias/ Universidade Estadual Paulista, 1991.
13. McARTHUR, A.J. 1987. Thermal interaction between animal and microclimate: a comprehensive model. J. Theoret. Biol., 126:203-238.
14. McLEAN, J.A. 1963. The regional distribution of cutaneous moisture vaporization in the Ayrshire calf. J. Agric. Sci., 61:275-280.
15. McLEAN, J.A., DOWNIE, A.J., JONES, C.D.R. et al. 1983a. Thermal adjustments of steers (Bos taurus) to abrupt changes in environmental temperature. J. Agric. Sci., 100:305-314.
16. McLEAN, J.A., STOMBAUGH, D.P., DOWNIE, A.J. et al. 1983b. Body heat storage in steers (Bos taurus) in fluctuating thermal environments. J. Agric. Sci., 100:315-322.
17. MONTEITH, J.L. 1972. Latent heat of vaporization in thermal physiology. Nature News Biol., 236:96.
18. MONTEITH, J.L. 1974. Specification of the environment for thermal physiology. In: MONTEITH, J.L., MOUNT, L.E. (Eds.) Heat loss from animals and man, London: Butherworths. p.1-17.
19. MONTEITH, J.L., UNSWORTH, M.H. 1991. Principles of environmental physics. 2.ed. London: E. Arnold. 291p.
20. MORAIS, M. 1985. Tolerancia al calor de bovinos Holstein-Cebu. II. Efecto de la temperatura ambiental y la humedad relativa en la temperatura rectal, frecuencia respiratoria y tasa sudoral en novillos cruzados. Rev. Cubana Ciencias Vet., 16:193-200.
21. OWEN, E., KAVLE, A., OWEN, R.S. et al. 1986. A reappraisal of calorie requirements in healthy woman. Amer. J. Clin. Nut., 44:1-19.
22. PORTER, W.P., GATES, D.M. 1969. Thermodynamic equilibria of animals with environment. Ecol. Monogr., 39:227-235.
23. SALIMOS, E.P. Alguns fatores que afetam a função sudorípara em vacas Jersey e Holandesas. Jaboticabal: FCAVJ-UNESP, 1980. 44p. Dissertação (Mestrado em Zootecnia) - Universidade Estadual Paulista, 1980.
24. SCHLEGER, A.V., TURNER, H.G. 1965. Sweating rates of cattle in the field and their reaction to diurnal and seasonal changes. Aust. J. Agric. Res., 16:92-106.
25. SCHMIDT-NIELSEN, K. 1989. Scaling: why is animal size so important? Cambridge: Cambridge Univ. Press. 241 p.
26. SILVA, R.G. 1999a. Estimativa do balanço térmico por radiação em vacas Holandesas expostas ao sol e à sombra em ambiente tropical. Rev. bras. zootec., 28(6):1403-1411.
27. SILVA, R.G. 1999b. Introdução à bioclimatologia animal. São Paulo: Nobel. 415p.
28. SILVA, R.G., ARANTES NETO, J.G., HOLTZFILHO, S.V. 1988. Genetic aspects of the variation of the sweating rate and coat characteristics of Jersey cattle. Braz. J. Genet. 11:335-347.
29. STEVENS, D.G. 1981. A model of respiratory vapor loss in Holstein dairy cattle. Transactions of the ASAE, 24:151-158.
30. STEWART, R.E. 1953. Absorption of solar radiation by the hair of cattle. Agric. Engineering, 34:235-238.
31. SUZUKI, A.H. Sudação e produção de leite ein vacas Holande-sas em clima tropical. Jaboticabal: FCAVJ-UNESP, 1986. 21p. Monografia (Graduação em Zootecnia) - Universidade Estadual Paulista, 1986.
32. THWAITES, C.J., MOORE, I.S.F. 1989. Development of sweating ability in winter-and summer-born Friesian calves aged 1 to 6 weeks. Int. J. Biometeorol., 33:246-250.