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volume 39 issue 2 (july to december 2005) : 86 - 91

RUMINANT HEAT STRESS: EFFECT OF SHADE AND WATER MISTING ON BEHAVIOUR AND PHYSIOLOGY OF HEAT-STRESSED FEEDLOT CROSSBRED CATTLE

A
A.R. Yazdani
1Department of Animal Sciences. Faculty of Agriculture. Gargan University of Agricultural Sciences and Natural Resources. Golestan Province. Iran'

  • Submitted|

  • First Online |

  • doi

Cite article:- Yazdani A.R. (2025). RUMINANT HEAT STRESS: EFFECT OF SHADE AND WATER MISTING ON BEHAVIOUR AND PHYSIOLOGY OF HEAT-STRESSED FEEDLOT CROSSBRED CATTLE. Indian Journal of Animal Research. 39(2): 86 - 91. doi: .

ABSTRACT

Twenty-four crossbred feedlot heifers average body weight 292 kg have been selected to assess
the effect of heat stress and its relief by shade and (or) water misting on physiology and behaviour. The follOwing treatments for the experiment were used: 1) no shading or misting (control); 2) onlymisting (MIST); 3) only shading (SHADE); and 4) shading plus misting (SH + MI). The observation were included head in the feed bunk, head in or above the waterer, walking, standing, and lying behaviour. Physiological reactions like rectal temperature and respiration 'rate as well as dry matterintake, average daily gain, and feed: Gains were measured. The control heifers spent more timelying down than others (P

KEYWORDS

    REFERENCES

    1. FASS (1999). Guides for the Care and Use of Agricultural Animals in Agricultural Research and Teaching. 1st rev.
    2. ed. Federation of Animal Sciences Societies. Savoy. fL
    3. Hahn. G.L (1989). Body temperature. Rhythms in farm animals-A review and reassessment relative to environmental influences. In: Proc. 11th ISB-Congr. The Hague. Netherlands. 11: 325-337.
    4. Hahn. GL (1995). Environmental influences on feed intake and performance of feedlot cattle. In: In take by Feedlot Cattle. Agric. Exp. Sta .. Oklahoma State Univ.. Stillwater. Pp. 207-224.
    5. Hahn. G.L (1999). 1. Anim, Sci. 77(Supp!. 2): 10-20
    6. Hahn. GL et al. (1990). 1. Anim. Sci.. 68: 2658-2665.
    7. Hahn. GL and Mader. TL. (1997). In: Proc. 5th Int. Symp. Trans. Am. Soc. Agric. Eng.. Bloomington. MN. Hahn. L. et al. (1974). Trans. ASAE (Am. Soc. Agric. Eng.). 288-295.
    8. Kadzere. C.T. et al. (2002). Livest. Prod. Sci.. 77: 51-91.
    9. Lofgreen. G.P. et al. (1973). Effects of sprinkling and space allotment on cattle fed on slotted floors during periods of heat stress California feeders Day. Agric. Exp. Sta. Univ. of California. Davis. Pp. 15-21.
    10. Morrison. S.R. (1983). 1. Anim. Sci.. 57: 1594-1600.
    11. Morrison. S.R. and Lofgreen. G.P. (1979). Trans ASAE(Am Soc. Agric. Eng.). 22:861-862.
    12. Nienaber. JA and Hahn. G.L (1991). In: Energy Metabolism of from Animals. EAAP Pub!. No. 58. Zurich and Switzerland. Pp. 458-461.
    13. NRC (1996). Nutrient Requirements of Beef Cattle. 7th ed. National Academi Press. Washington. DC.
    14. Ray. DE (1991). In: Proc. Southwest NutI'. and Mgmt. Con!., Temp. AZ. Pp.69-81.
    15. SAS (1998). Statistical Analyses User, Guide Basis. AS institute. Cary. NC.
    16. Yambayamba. E.S. eta/. (1996). J. Anim, Sci.. 74: 57-69.
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      volume 39 issue 2 (july to december 2005) : 86 - 91

      RUMINANT HEAT STRESS: EFFECT OF SHADE AND WATER MISTING ON BEHAVIOUR AND PHYSIOLOGY OF HEAT-STRESSED FEEDLOT CROSSBRED CATTLE

      A
      A.R. Yazdani
      1Department of Animal Sciences. Faculty of Agriculture. Gargan University of Agricultural Sciences and Natural Resources. Golestan Province. Iran'

      • Submitted|

      • First Online |

      • doi

      Cite article:- Yazdani A.R. (2025). RUMINANT HEAT STRESS: EFFECT OF SHADE AND WATER MISTING ON BEHAVIOUR AND PHYSIOLOGY OF HEAT-STRESSED FEEDLOT CROSSBRED CATTLE. Indian Journal of Animal Research. 39(2): 86 - 91. doi: .

      ABSTRACT

      Twenty-four crossbred feedlot heifers average body weight 292 kg have been selected to assess
      the effect of heat stress and its relief by shade and (or) water misting on physiology and behaviour. The follOwing treatments for the experiment were used: 1) no shading or misting (control); 2) onlymisting (MIST); 3) only shading (SHADE); and 4) shading plus misting (SH + MI). The observation were included head in the feed bunk, head in or above the waterer, walking, standing, and lying behaviour. Physiological reactions like rectal temperature and respiration 'rate as well as dry matterintake, average daily gain, and feed: Gains were measured. The control heifers spent more timelying down than others (P

      KEYWORDS

        REFERENCES

        1. FASS (1999). Guides for the Care and Use of Agricultural Animals in Agricultural Research and Teaching. 1st rev.
        2. ed. Federation of Animal Sciences Societies. Savoy. fL
        3. Hahn. G.L (1989). Body temperature. Rhythms in farm animals-A review and reassessment relative to environmental influences. In: Proc. 11th ISB-Congr. The Hague. Netherlands. 11: 325-337.
        4. Hahn. GL (1995). Environmental influences on feed intake and performance of feedlot cattle. In: In take by Feedlot Cattle. Agric. Exp. Sta .. Oklahoma State Univ.. Stillwater. Pp. 207-224.
        5. Hahn. G.L (1999). 1. Anim, Sci. 77(Supp!. 2): 10-20
        6. Hahn. GL et al. (1990). 1. Anim. Sci.. 68: 2658-2665.
        7. Hahn. GL and Mader. TL. (1997). In: Proc. 5th Int. Symp. Trans. Am. Soc. Agric. Eng.. Bloomington. MN. Hahn. L. et al. (1974). Trans. ASAE (Am. Soc. Agric. Eng.). 288-295.
        8. Kadzere. C.T. et al. (2002). Livest. Prod. Sci.. 77: 51-91.
        9. Lofgreen. G.P. et al. (1973). Effects of sprinkling and space allotment on cattle fed on slotted floors during periods of heat stress California feeders Day. Agric. Exp. Sta. Univ. of California. Davis. Pp. 15-21.
        10. Morrison. S.R. (1983). 1. Anim. Sci.. 57: 1594-1600.
        11. Morrison. S.R. and Lofgreen. G.P. (1979). Trans ASAE(Am Soc. Agric. Eng.). 22:861-862.
        12. Nienaber. JA and Hahn. G.L (1991). In: Energy Metabolism of from Animals. EAAP Pub!. No. 58. Zurich and Switzerland. Pp. 458-461.
        13. NRC (1996). Nutrient Requirements of Beef Cattle. 7th ed. National Academi Press. Washington. DC.
        14. Ray. DE (1991). In: Proc. Southwest NutI'. and Mgmt. Con!., Temp. AZ. Pp.69-81.
        15. SAS (1998). Statistical Analyses User, Guide Basis. AS institute. Cary. NC.
        16. Yambayamba. E.S. eta/. (1996). J. Anim, Sci.. 74: 57-69.
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