Incubation and maternal behaviour in domestic hens: influence of the presence of chicks on circulating luteinising hormone, prolactin and oestradiol and on behaviour

British Poultry Science
G LeboucherA Chadwick

Abstract

1. The consequences of the adoption of chicks and their subsequent removal on behaviour and plasma hormone concentrations of incubating hens were investigated. Birds were divided into two group: in group A, incubating hens were given chicks for 11 d; in group B chicks were left with the hens for 3 d only. 2. Incubating hens given chicks immediately showed maternal responses. The introduction of chicks induced a gradual nest desertion. Their removal stopped nest desertion temporarily on day 4 in group B hens. 3. Plasma prolactin concentrations fell one day after introduction of chicks and continued to decline for about one week in group A hens, although there was no further significant decrease in group B hens. Circulating prolactin tended to decrease with time in both groups. 4. Plasma luteinising hormone (LH) concentrations increased concurrently with the decrease of prolactin. The increase was more abrupt in group B hens. 5. Plasma oestradiol concentrations decreased slightly on the day chicks were introduced. The decline was arrested by removal of chicks in group B; in group A the tendency was reversed about 10 days after chick introduction. 6. Irrespective of group, before chick removal hens which deserted their nest rapidl...Continue Reading

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Citations

Mar 8, 2013·Acta histochemica·Orn-anong ChaiyachetYupaporn Chaiseha
Jul 17, 2012·Acta histochemica·Orn-Anong ChaiyachetYupaporn Chaiseha
Apr 22, 2014·General and Comparative Endocrinology·Duangsuda ChokchaloemwongYupaporn Chaiseha
May 15, 2008·The Plant Journal : for Cell and Molecular Biology·Qiang HuAl Darzins
Apr 25, 2012·Critical Reviews in Biotechnology·Roger Huerlimann, Kirsten Heimann
Jul 10, 2020·Behavioural Processes·Nadège AigueperseSophie Lumineau

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