CIGR Working Group No 13
Climatization and Environmental Control in Animal Housing

Members

Ed van Ouwerkerk

IMAG-DLO
Postbox 43
NL-6700 AA Wageningen

Tel: +31 83 70 76 436
Fax: +31 83 70 25 670
EMail: E.N.J.van.Ouwerkerk@imag.agro.nl

Interests:
Modelling of interactions livestock - indoor climate - building
Energy technology in livestock buildings
CFD applications on aiflow patterns in livestock buildings

Publications 1985-1995

Swierstra, D. & E.N.J. van Ouwerkerk, 1985. A model estimating the effectiviness of shade structures on the production of dairy cows in hot climates. Paper for the Seminar of the 2nd Technical Section of the CIGR on Agricultural Buildings in hot climate countries, Catania, Italy, 12 pp.

Sterrenburg, P. & E.N.J. van Ouwerkerk, 1986. Model to estimate the thermoneutral and comfort zone of pigs (BEZOVA) (in Dutch). IMAG-DLO Report 78, Wageningen, 21 pp.

Ouwerkerk, E.N.J. van, 1987. Physical factors affecting diurnal variation in temperature demand for growing pigs (in Dutch). IMAG-DLO Report 88, Wageningen, 8 pp.

Machado, A.F. & E.N.J. van Ouwerkerk, 1989. Cooling fattening pigs with showers. In: Dodd & Grace (eds.), Agricultural Engineering, Vol 2, Agricultural Buildings, Balkema, Rotterdam, p. 1121-1123.

Ouwerkerk, E.N.J. van & A.J.A. Aarnink, 1990. A critical summer temperature for pigs' behaviour. Paper 16th Int. Conf. CIGR section IV, Budapest, p. 17.

Groenestein, C.M. & E.N.J. van Ouwerkerk, 1990. Energy balance model of laying hens (KIP) (in Dutch). IMAG-DLO Report 227, Wageningen, 36 pp.

Ouwerkerk, E.N.J. van & C.J.M. Scheepens, 1991. Temperature and ventilation demand for weaned pigs (in Dutch). IMAG-DLO Report 91-17, Wageningen.

Ouwerkerk, E.N.J. van, 1992. Modelling the heat balance of pigs at animal and housing levels. In: Second report of the CIGR working group on Climatization of Animal Houses (2nd edition), IWONL, State University of Ghent, p. 1-17.

Ouwerkerk, E.N.J. van & A.J.A. Aarnink, 1992. Gas production of fattening pigs. Paper 9202 07, AgEng '92 Conference, Uppsala.

Aarnink, A.J.A., E.N.J. van Ouwerkerk & M.W.A. Verstegen, 1992. A mathematical model for estimating the amount and composition of slurry from fattening pigs. Livestock Production Science 31: 133-147.

Ooster, A. van 't, E.N.J. van Ouwerkerk & E. Mulder, 1993. Carbon dioxide measurement and carbon dioxide production estimation (in Dutch). In: E.N.J. van Ouwerkerk (ed.), 1993. Measurement methods for ammonia emissions from livestock buildings (in Dutch). DLO-Ammonia Series 16, Agricultural Research Department, p. 84-95.

Ouwerkerk, E.N.J. van, J.P. Voskamp & Y. Aliskan, 1994. Climate simulation and validation for an aviary system for laying hens. Report N. 94-C-063, AgEng '94 Conference on Agricultural Engineering, Milan, 18 pp, Proceedings, p. 296-297.

Ouwerkerk, E.N.J. van & S. Pedersen, 1994. Application of the carbon dioxide mass balance method to evaluate ventilation rates in livestock buildings. XII World Congress on Agricultural Engineering, Milano, August 29 - September 1, Proceedings, p. 516-529.

Ouwerkerk, E.N.J. van & A.J.A. Aarnink, 1995. Gas production in piggeries; Model of source productions for estimating indoor gas and vapour concentrations and emissions; A pilot investigation (in Dutch). IMAG-DLO Report 94-32, ISBN-90-5406-099-9, Wageningen, 43 pp.

Ouwerkerk, E.N.J. van & P. Knies, 1995. Energy consumption and possibilities of energy saving on heating and ventilation in intensive livestock husbandry (in Dutch). IMAG-DLO report 94-30, ISBN 90-5406-102-2, Wageningen, 77 pp.

Wagemans, M.J.M. & E.N.J. van Ouwerkerk, 1995. Effect of cooling and ventilation methods in piggeries on energy consumption and ammonia emission (in Dutch). IMAG-DLO Note V 95-12, 54 pp.

Ouwerkerk, E.N.J. van, 1995. Energy saving by improvement of climate control in piggeries. IMAG-DLO Note V 95-16 (in Dutch), 26 pp.