An improved mathematical model of the ovulatory cycle of the laying hen

British Poultry Science

Volumn 44, Issue 5, 2003, Pages 752-760

  Johnston, S A ^a   Gous, R M ^a  

^a UNIVERSITY OF KWAZULU NATAL   (South Africa)

Author keywords

[No Author keywords available]

Indexed keywords

ANIMAL; ARTICLE; BIOLOGICAL MODEL; CHICKEN; EGG LAYING; ESTRUS; FEMALE; MATHEMATICS; OVULATION; PHYSIOLOGY; TIME;

ANIMALS; CHICKENS; ESTRUS; FEMALE; MATHEMATICS; MODELS, BIOLOGICAL; OVIPOSITION; OVULATION; TIME FACTORS;

ANIMALIA; GALLUS GALLUS;

EID: 0942269752     PISSN: 00071668     EISSN: None     Source Type: Journal    
DOI: 10.1080/00071660310001643723     Document Type: Article

References (19)

1. BASTIAN, J.W. & ZARROW, M.X. (1955) A new hypothesis for the asynchronous ovulatory cycle of the domestic hen (Gallus domesticus). Poultry Science, 34: 776-788.
2. EMMANS, G.C. & FISHER, C. (1986) Problems in nutritional theory, in: FISHER, I.C. & BOORMAN, K.M. (Eds) Nutrient Requirements of Poultry and Nutritional Research, pp. 9-39 (London, Butterworths).
3. ETCHES, R.J. (1984) Maturation of ovarian follicles, in: CUNNINGHAM, F.J., LAKE, P.E. & HEWITT, D. (Eds) Reproductive Biology of Poultry, pp. 51-73 (Harlow, Longman Group).
4. ETCHES, R.J. (1996) Reproduction in Poultry (Cambridge, Cambridge University Press).
5. ETCHES, R.J. & SCHOCH, J.P. (1984) A mathematical representation of the ovulatory cycle of the domestic hen. British Poultry Science, 25: 65-76.
6. FRAPS, R.M. (1955) Egg production and fertility in poultry, in: HAMMOND, J. (Ed) Progress in the Physiology of Farm Animals, Vol. 2, pp. 661-740 (London, Butterworths).
7. JOHNSON, A.L. (1996) The avian ovarian hierarchy: a balance between follicle differentiation and atresia. Poultry and Avian Biology Reviews, 7: 99-110.
8. JOHNSON, P.A., DICKERMAN, R.W. & BAHR, J.M. (1986) Decreased granulosa cell luteinizing hormone sensitivity and altered thecal estradiol concentration in the aged hen, Gallus domesticus. Biology of Reproduction, 35: 641-646.
9. LEWIS, P.D. & PERRY, G.C. (1991) Oviposition time: correlations with age, egg weight and shell weight. British Poultry Science, 32: 1135-1136 (Abstract).
10. LILLPERS, K. & WILHELMSON, M. (1993) Genetic and phenotypic parameters for oviposition pattern traits in three selection lines of laying hens. British Poultry Science, 34: 297-308.
11. ROBINSON, F.E., HARDIN, R.T. & ROBBLEE, A.R. (1990) Reproductive senescence in domestic fowl: effects on egg production, sequence length and inter-sequence pause length. British Poultry Science, 31: 871-879.
12. ROBINSON, F.E., RENEMA, R.A., OOSTERHOFF, H.H., ZUIDHOF, M.J. & WILSON, J.L. (2001) Carcass traits, ovarian morphology and egg laying characteristics in early versus late maturing strains of commercial egg-type hens. Poultry Science, 80: 37-46.
13. ROBINSON, N.A., ROBINSON, F.E., HARDIN, R.T. & TCHIR, B. (1992) Reproductive senescence in egg-type chickens: effects on egg production, sequence length and intersequence pause length. Poultry Science, 71(Suppl. 1): 128 (Abstract).
14. SHANAWANY, M.M., MORRIS, T.R. & PIRCHNER, F. (1993) Influence of sequence length on the response to ahemeral lighting late in lay. British Poultry Science, 34: 873-880.
15. SILVER, R. (1986) Circadian and interval timing mechanisms in the ovulatory cycle of the hen. Poultry Science, 65: 2355-2362.
16. TILLY, J.L., KOWALSKI, K.I. & JOHNSON, A.L. (1991) Stage of ovarian follicular development associated with the initiation of steroidogenic competence in avian granulosa cells. Biology of Reproduction, 44: 305-314.
17. TUREK, F.W., PENEV, P., ZHANG, Y., VAN REETH, O., TAKAHASHI, J.S. & ZEE, P. (1995) Alterations in the circadian system in advanced age, in: CHADWICK, D.J. & ACKRILL, K. (Eds) Circadian Clocks and Their Adjustment, pp. 212-234 (Chichester, John Wiley).
18. WILLIAMS, J.B. & SHARP, P.J. (1978) Ovarian morphology and rates of ovarian follicular development in laying broiler breeders and commercial egg-producing hens. British Poultry Science, 19: 387-395.
19. ZAKARIA, A.H. (1999) Ovarian follicular growth in laying hens in relation to sequence length and egg position in various sequence lengths. Archiv für Geflügelkunde, 63: 264-269.