Effects of Lighting Time on Serum Reproductive Hormone Levels of Zi Geese in Fall and Winter

WANG Qiuju; ZHOU Ruijin; YANG Huanmin; ZHU Shuang

doi:10.3969/j.issn.1006-267x.2014.03.013

Chinese Journal of Animal Nutrition >

2014 , Vol. 26 >Issue 3: 646 - 650

DOI: https://doi.org/10.3969/j.issn.1006-267x.2014.03.013

Poultry Nutrition

Effects of Lighting Time on Serum Reproductive Hormone Levels of Zi Geese in Fall and Winter

WANG Qiuju ,
ZHOU Ruijin ,
YANG Huanmin ,
ZHU Shuang

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College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, China

Received date: 2013-09-01

Online published: 2014-03-04

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Abstract

This experiment was conducted to study the variation of serum reproductive hormone levels of breeding Zi geese in un-natural breeding season, and sought for the possibility of lighting time affecting anti-seasonal breeding of Zi geese. A total of 300 two-year-old breeding Zi geese (female 180, male 120) were divided into 3 groups (female 60 and male 40 per group). Geese in the control group were natural lighting, and the others in short lighting group and long lighting group were controlled with 11 h lighting and 13 h darkling and 15 h lighting and 9 h darkling, respectively. The preliminary trial period lasted for 1 week and trial period lasted for 10 weeks. The results showed that the levels of follicle-stimulatingg hormone (FSH), luteinizing hormone (LH) in serum of female geese and testosterone (T) in serum of male geese were increased with the increasing of lighting time, and the serum prolactin (PRL) level of female geese was increased at the beginning and then decreased with the increasing of lighting time. The hormone levels of geese in long lighting group were approached to the hormone levels of geese in control group at the experiment end. When the lighting time reduced, the levels of FSH and LH in serum of female geese and T in serum of male geese were decreased, but the serum PRL level of female geese was increased. In conclusion, lighting time can affect the reproductive hormone levels of breeding Zi geese in the anestrous season, and the reproductive hormone levels of breeding Zi geese are varied in different lighting time. Therefore, the anti-seasonal reproduction of Zi geese will come true by artificial regulation lighting time.

Key words： fall and winter; lighting time; Zi goose; reproductive hormone

Cite this article

WANG Qiuju , ZHOU Ruijin , YANG Huanmin , ZHU Shuang . Effects of Lighting Time on Serum Reproductive Hormone Levels of Zi Geese in Fall and Winter[J]. Chinese Journal of Animal Nutrition, 2014 , 26(3) : 646 -650 . DOI: 10.3969/j.issn.1006-267x.2014.03.013

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