The variability of the ratio of oxygen consumption to heart rate in cattle and sheep at different hours of the day and under different heat load conditions

Livestock Production Science

Volumn 79, Issue 2-3, 2003, Pages 107-117

  Aharoni, Y ^a   Brosh, A ^a   Kounlov, P ^a   Arieli, A ^b  

^a VOLCANI CENTER   (Israel)

^b HEBREW UNIVERSITY OF JERUSALEM   (Israel)

Author keywords

Cattle; Heart rate; Heat load; Oxygen consumption; Sheep

Indexed keywords

ANIMALIA; BOS TAURUS; OVIS ARIES;

EID: 0037306125     PISSN: 03016226     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0301-6226(02)00147-1     Document Type: Article

References (23)

1. Aharoni, Y., Brosh, A., Holzer, Z., 1997. Photoperiodic effect on live-weight gain of bull calves. Anim. Sci. (UK) 65, 165-171.
2. Aharoni, Y., Brosh, A., Ezra, E., 1999. Effects of heat load and photoperiod on milk yield and composition in three dairy herds in Israel. Anim. Sci. (UK) 69, 37-47.
3. Brockway, J.M., 1978. Escape from the chamber, alternative methods for large animal calorimetry. Proc. Nutr. Soc. 37, 13-39.
4. Brosh, A., Aharoni, Y., Degen, A.A., Wright, D., Young, B.A., 1998a. Estimation of energy expenditure from heart rate measurements in cattle maintained under different conditions. J. Anim. Sci. 76, 3054-3064.
5. Brosh, A., Aharoni, Y., Degen, A.A., Wright, D., Young, B.A., 1998b. Effect of solar radiation, dietary energy, and time of feeding on thermoregulatory responses and energy balance in cattle in a hot environment. J. Anim. Sci. 76, 2671-2677.
6. Ceesay, S.M., Prentice, A.M., Day, K.C., Murgatroyd, P.R., Goldberg, G.R., Scott, W., Spur, G.B., 1989. The use of heart rate monitoring in the estimation of energy expenditure: a validation study using indirect whole body calorimetry. Br. J. Nutr. 61, 175-186.
7. Clar, U., Becket, K., Susenbeth, A., 1992. Eine maskentechnik zur mobilen gaswechselmessung beim rind. J. Anim. Physiol Anim. Nutr. (Germany) 67, 133-142.
8. 2 measuring systems. J. Appl. Physiol. 51, 772-776.
9. Freetly, H.C., Nienaber, J.A., Leymaster, K.A., Jenkins, T.G., 1995. Relationships among heat production, body weight, and age in Suffolk and Texel ewes. J. Anim. Sci. 73, 1030-1037.
10. Hall, A.B., Young, B.A., Goodwin, P.J., Gaugham, J.M., Davison, T., 1997. Alleviation of excessive heat load in the high producing dairy cow. In: Bottcher, R.W., Hoff, S.J. (Eds.), Livestock Environment 5, Volume 2. Proceedings of the Fifth International Symposium, Bloomington, MN. American Society of Agricultural Engineers, St. Joseph, USA, pp. 928-935.
11. Herselman, M.J., Sahlu, T., Hart, S.P., Goetsch, A.L., 1998. Energy expenditure by dry and lactating Alpine does estimated by entry rate of carbon dioxide. J. Dairy Sci. 81, 2469-2474.
12. Kam, A., Degen, A.A., 1997. Energy budget in free living animals: a novel approach based on the doubly labeled water method. Am. J. Physiol. 272, R1336-1343.
13. Lawes Agricultural Trust, 1995. Genstat 5. Release 3.2. Rothamsted Experimental Station, Harpenden, UK.
14. Lefcourt, A.M., Erez, B., Varner, M.A., Barfield, R., Tasch, U., 1999. A noninvasive radiotelemetry system to monitor heart rate for assessing stress responses of bovines. J. Dairy Sci. 82, 1179-1187.
15. McGovern, R.E., Bruce, J.M., 2000. A model of thermal balance for cattle in hot conditions. J. Agric. Eng. Res. 77 (1), 81-92.
16. McLean, J.A., Tobin, G., 1990. Animal and Human Calorimetry. Cambridge University Press. Cambridge, UK, p. 276.
17. Purwanto, B.P., Abo, Y., Sakamoto, R., Furamoto, F., Yamamoto, S., 1990. Diurnal patterns of heat production and heart rate under thermoneutral conditions in Holstein Friesian cows differing in milk production. J. Agric. Sci. (Cambridge) 114, 139-142.
18. Rometsch, M., Roser, U., Becker, K., Susenbeth, A., 1997. Estimation of energy expenditure from heart rate measurements in working oxen. Anim. Sci. (UK) 64, 409-412.
19. Rashen, J., De Passillé A.M.B., Munksgaard, L., 1999. Fear of people by cows and effects on milk yield, behavior, and heart rate at milking. J. Dairy Sci. 82, 720-727.
20. Shibata, M., 1983. Energy metabolism and lactation of dairy cattle in a hot environment. Bull Kiushu Natl. Agric. Experiment Station 23 (2), 253-319, in Japanese, abstract in English.
21. Thom, E.C., 1959. The discomfort index. Weatherwise 12, 57-59.
22. Webster, A.J.F., 1967. Continuous measurement of heart rate as an indicator of energy expenditure of sheep. Br. J. Nutr. 21, 769-785.
23. Yamamoto, S., McLean, J.A., Downie, A.J., 1979. Estimation of heat production from heart-rate measurements in cattle. Br. J. Nutr. 42, 507-513.