Prediction of the energy balance and milk production of grazing cows in the Azores for autumn and spring calving

Biosystems Engineering

Volumn 110, Issue 1, 2011, Pages 57-65

  Souto, L F ^a   Meneses, J F ^b   Bruce, J M ^a  

^a CMMG   (Portugal)

^b UNIVERSITY OF LISBON   (Portugal)

Author keywords

[No Author keywords available]

Indexed keywords

CLIMATE MODELS; COSTS; ENERGY BALANCE; SPRINGS (COMPONENTS);

DETERMINISTIC MODELING; ECONOMIC ADVANTAGES; ECONOMIC BENEFITS; ENERGY REQUIREMENTS; HEAT PRODUCTION; MILK PRODUCTION; MODEL SIMULATION; SEASONAL DIFFERENCES;

DAIRIES;

ANIMALIA; BOS; HORDEUM; ZEA MAYS;

EID: 80051784350     PISSN: 15375110     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.biosystemseng.2011.07.001     Document Type: Article

References (31)

1. Energy and protein requirements of ruminants 1993, AFRC, CAB International, Wallingford. Oxon. England.
2. The nutrient requirements of ruminant livestock 1980, ARC, Commonwealth Agricultural Bureaux.
3. Broadbent P.J., Topps J.H., Clark J.J., Bruce J.M. Evaluation of a model of the energy system of lactating and pregnant cows. Animal Production 1984, 38:363-375.
4. Brody S. Bioenergetics and growth, with special reference to the efficiency complex of domestic animals 1945, Reinhold, New York.
5. Bruce J.M. Heat loss from animals to floors. Farm Buildings Progress 1979, 55:1-4.
6. Bruce J.M. Modelling the climatic energy demand on suckler cows. Animal Production 1980, 30:449-450.
7. Bruce J.M., Broadbent P.J., Topps J.H. A model of the energy system of lactating and pregnant cows. Animal Production 1984, 38:351-362.
8. Bruce J.M., Clark J.J. Models of heat production and critical temperature for growing pigs. Animal Production 1979, 28:353-369.
9. Buffington D.E., Collazo-Arocho A., Canton G.H., Pitt D., Thatcher W.W., Collier R.J. Black globe humidity index (BGHI) as a comfort equation for dairy cows. Transactions of the ASAE 1981, 24:711-721.
10. Butler W.R. Energy balance relationships with follicular development, ovulation and fertility in postpartum dairy cows. Livestock Production Science 2003, 83:211-218.
11. Chamberlain A.T., Wilkinson J.M. Feeding the dairy cow 1996, Chalcombe, Lincoln, UK.
12. Heat and moisture production at animal and house levels 2002, CIGR Report, CIGR Section II, 4th report of Working Group on Climatization of animal houses, Research Centre Bygholm, Danish Institute of Agricultural Sciences, Horsens, Denmark.
13. Collier R.J., Eley R.M., Sharma A.K., Pereira R.M., Buffington D.E. Shade management in subtropical environment for milk yield and composition in Holstein and Jersey cows. Journal of Dairy Science 1981, 64:844-849.
14. Gaughan J.B., Mader T.L., Holt S.M., Lisle A. A new heat load index for feedlot cattle. Journal of Animal Science 2007, 86:226-234.
15. Johnson A.T., Kirk G.D. Heat transfer of the WBGT and the Botsball sensors. Transactions of the ASAE 1981, 24:410-417.
16. Jones, C.G. (1984). Shelter Studies Using Thermal Models of Cattle. Doctoral thesis. University of Aberdeen.
17. Kendrick K.W., Bailey T.L., Garst A.S., Pryor A.W., Ahmadzadeh A., Akers R.M., et al. Effects of energy balance on hormones, ovarian activity, and recovered oocytes in lactating Holstein cows using transvaginal follicular aspiration. Journal of Dairy Science 1999, 82:1731-1740.
18. Keren E.N., Olson B.E. Thermal balance of cattle grazing winter range: model development. Journal of Thermal Biology 2006, 31:371-377.
19. Mader T.L., Davis M.S., Brown-Brandl T. Environmental factors influencing heat stress in feedlot cattle. Journal of Dairy Science 2006, 84:712-719.
20. McArthur A.J., Monteith J.L. Air movement and heat loss from sheep. I. Boundary layer insulation of a model sheep with and without a fleece. Proceedings of the Royal Society of London, B 1980, 209:187-208.
21. McDonald P., Edwards R.A., Greenhalgh J.F.D., Morgan C.A. Animal nutrition 2002, Prentice Hall (Pearson Education), Harlow/London. 6th ed.
22. Randall J.M. The prediction of airflow patterns in livestock buildings. Journal of Agricultural Engineering Research 1975, 20(2):199-215.
23. Rego, O. (2005). Personal communication.
24. Stevens, D.G., & Moen, A.N. (1970). Functional aspects of wind as an ecological and thermal force. Transactions of the 35th North America Wildlife and Natural Resources Conference, Chicago Illinois, 106-114.
25. Tucker C.B., Rogers A.R., Schütz K.E. Effect of solar radiation on dairy cattle behaviour, use of shade and body temperature in a pasture-based system. Applied Animal Behaviour Science 2008, 109:141-154.
26. Turnpenny J.R., McArthur A.J., Clark J.A., Wathes C.M. Thermal balance of livestock 1. A parsimonious model. Agricultural and Forest Meteorology 2000, 101:15-27.
27. Valtorta S.E., Leva P.E., Gallardo M.R. Evaluation of different shades to improve dairy cattle well-being in Argentina. International Journal of Biometeorology 1997, 41:65-67.
28. Webster A.J.F., Chlumecky J., Young B.A. Effects of cold environments on the energy exchanges of young beef cattle. Canadian Journal of Animal Science 1970, 50:89-100.
29. Wiersma F., Nelson G.L. Non-evaporative convective heat transfer from the surface of a bovine. Transactions of the ASAE 1967, 10:733-737.
30. Wolter R. Alimentation de la vache laitière 1988, France Agricole, Paris. 3rd ed.
31. Wood P.D.P. Breed variations in the shape of the lactation curve of cattle and their implications for efficiency. Animal Production 1980, 31:133-141.