Effect of timing and size of photoperiod change on plasma FSH concentration and the correlation between FSH and age at first egg in pullets

British Poultry Science

Volumn 40, Issue 3, 1999, Pages 380-384

  Lewis, P D ^a   Perry, G C ^a   Morris, T R ^b   Douthwaite, J A ^a  

^a UNIVERSITY OF BRISTOL   (United Kingdom)

^b UNIVERSITY OF READING   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

FOLLITROPIN; LUTEINIZING HORMONE;

AGING; ANIMAL; ARTICLE; BLOOD; CHICKEN; CIRCADIAN RHYTHM; FEMALE; METABOLISM; OVULATION; PHYSIOLOGY; TIME;

AGING; ANIMALS; CHICKENS; CIRCADIAN RHYTHM; FEMALE; FOLLICLE STIMULATING HORMONE; LUTEINIZING HORMONE; OVULATION; TIME FACTORS;

EID: 0033158250     PISSN: 00071668     EISSN: None     Source Type: Journal    
DOI: 10.1080/00071669987485     Document Type: Article

References (9)

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2. KRISHNAN, K.A., PROUDMAN, J.A., BOLT, D.J. & BAHR, J.M. (1993) Development of an homologous radio-immunoassay for chicken follicle-stimulating hormone and measurement of plasma FSH during the ovulatory cycle. Comparative Biochemistry and Physiology, 105A: 729-734.
3. LEWIS, P.D. & PERRY, G.C. (1995) Effects of lighting on reproduction in poultry, in: HUNTON, P. (Ed) World Animal Science, Vol. C9: Poultry Production, Ch. 16, pp. 359-388 (Amsterdam, Elsevier).
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5. LEWIS, P.D., MORRIS, T.R. & PERRY, G.C. (1998a) A model for the effect of constant photoperiods on the rate of sexual maturation in pullets. British Poultry Science, 39: 147-151.
6. LEWIS, P.D., PERRY, G.C., MORRIS, T.R. & FOLLETT, B.K. (1994) Effects of timing and size of daylength change on brown egg laying domestic hens, I. Plasma luteinizing hormone concentration and sexual maturity. British Poultry Science, 35: 25-31.
7. LEWIS, P.D., PERRY, G.C., MORRIS, T.R., DOUTHWAITE, J.A. & BENTLEY, G.E. (1998b) Effect of constant and of changing photoperiod on plasma LH and FSH concentrations and age at first egg in layer strains of domestic pullets. British Poultry Science, 39:, 662-670.
8. MORRIS, T.R. (1967) Light requirements of the fowl, in: CARTER, T.C. (Ed) Environmental Control in Poultry Production, pp. 15-39. (Edinburgh, Oliver & Boyd).
9. VANMONTFORT, D., BERGHMAN, L.R., ROMBAUTS, L., VERHOEVEN, G. & DECUYPERE, E. (1995) Developmental changes in immunoreactive inhibin and FSH in plasma of chickens from hatch to sexual maturity. British Poultry Science, 36: 779-790.