Agriculture Reference
In-Depth Information
Ferguson, N.S., Gous, R.M. and Emmans, G.C. (1997) Predicting the effects of animal variation on
growth and food intake in growing pigs using simulation modelling.
Animal Science
64,
513-522.
Fialho, F.B. and Ledur, M.C. (1997) Segmented polynomial model for estimation of egg production
curves in laying hens.
British Poultry Science
38,
66-73.
Fisher, C. (1998) Amino acid requirements of broiler breeders.
Poultry Science
77,
124-133.
Fisher, C. and Gous, R.M. (2008) Recent evidence about the protein and amino acid nutrition of broiler
breeder hens.
XXIII World's Poultry Congress, July 2008
. WPSA, Brisbane, Australia.
Fisher, C., Morris, T.R. and Jennings, R.J. (1973) A model for the description and prediction of the re-
sponse of laying hens to amino acids.
British Poultry Science
14,
469-484.
Foster, W.H. (1981) A selection experiment on a White Leghorn strain under ahemeral light-dark
cycles.
British Poultry Science
22,
35-48.
Foster, W.H., Robertson, D.V. and Belyavin, C.G. (1987) Forecasting egg production in commercial
flocks.
British Poultry Science
28,
623-630.
Fraps, R.M. (1955) Egg production and fertility in poultry. In: Hammond, J. (ed.)
Progress in the Physi-
ology of Farm Animals
. Butterworths, London, pp. 661-740.
Gavora, J.S., Parker, R.J. and McMillan, I. (1971) Mathematical model of egg production.
Poultry
Science
50,
1306-1315.
Gilbert, A.B. (1972) The activity of the ovary in relation to egg production. In: Freeman, B.M. and Lake, P.E.
(eds)
Egg Formation and Production
. British Poultry Science Ltd, Edinburgh, UK, pp.
3-17.
Gous, R.M. and Nonis, M.K. (2010) Modelling egg production and nutrient responses in broiler breeder
hens.
Journal of Agricultural Science
148,
287-301.
Gous, R.M., Griessel, M. and Morris, T.R. (1987) Effect of dietary energy concentration on the response
of laying hens to amino acids.
British Poultry Science
28,
427-436.
Gous, R.M., Emmans, G.C., Broadbent, L.A. and Fisher, C. (1990) Nutritional effects on the growth and
fatness of broilers.
British Poultry Science
31,
495-505.
Johnston, S.A. (2004) A stochastic model to predict annual egg production of a flock of laying hens.
PhD thesis. The University of KwaZulu-Natal, Pietermaritzburg, South Africa.
Johnston, S.A. and Gous, R.M. (2003) An improved mathematical model of the ovulatory cycle of the
laying hen.
British Poultry Science
44,
752-760.
Johnston, S.A. and Gous, R.M. (2006) Modelling egg production in laying hens. In: Gous, R.M., Morris, T.R.
and Fisher, C. (eds)
Mechanistic Modelling in Pig and Poultry Production
. CAB International,
Wallingford, UK, pp.
188-208.
Johnston, S.A. and Gous, R.M. (2007a) A mechanistic, stochastic, population model of egg production.
British Poultry Science
48,
224-232.
Johnston, S.A. and Gous, R.M. (2007b) Modelling the changes in the proportions of the egg compo-
nents during a laying cycle.
British Poultry Science
48,
347-353.
Johnston, S.A. and Gous, R.M. (2007c) Extent of variation within a laying flock: attainment of sexual
maturity, double-yolked and soft-shelled eggs, sequence lengths and consistency of lay.
British
Poultry Science
48,
609-616.
King, R.H. (1987) Nutritional anoestrus in young sows.
Pig News and Information
8,
15-22.
Koops, W.J. and Grossman, M. (1992) Characterization of poultry egg production using a multiphasic
approach.
Poultry Science
71,
399-405.
Leeson, S. and Summers, J.D. (2005)
Commercial Poultry Nutrition
. Nottingham University Press,
Nottingham, UK.
Lewis, P.D. and Morris, T.R. (2004) Research note: amendments to the model for predicting age at sex-
ual maturity for growing pullets of layer strains following changes in photoperiod.
Journal of
Agricultural Science
142,
613-614.
Lewis, P.D. and Morris, T.R. (2006)
Poultry Lighting: the Theory and Practice
. Northcot, Andover, UK.
Lewis, P.D. and Morris, T.R. (2008) Research note: an amendment to the model for predicting age at
sexual maturity for growing pullets of layer strains given two opposing changes in photoperiod.
Journal of Agricultural Science
146,
591-594.
Lewis, P.D. and Perry, G.C. (1991) Oviposition time: correlations with age, egg weight and shell weight.
British Poultry Science
32,
1135-1136.
Lewis P.D. and Perry, G.C. (1994) Factors that influence sexual maturation in the laying hen. In: Raw,
M.E. and Parkinson, T.J. (eds)
The Veterinary Annual
34
.
Blackwell Scientific Publications Ltd,
Oxford, pp.
89-96.
