Different Photoperiodic Responses in Four Lines of Japanese Quail

被引：0

作者：

Atsumi, Yusuke ^{[1
,2
]}

Yorinaga, Eriko ^{[1
]}

Ota, Wataru ^{[1
]}

Yoshimura, Takashi ^{[1
,2
,3
,4
]}

机构：

[1] Nagoya Univ, Grad Sch Bioagr Sci, Lab Anim Physiol, Chikusa Ku, Furo Cho, Nagoya, Aichi 4648601, Japan

[2] Nagoya Univ, Grad Sch Bioagr Sci, Avian Biosci Res Ctr, Chikusa Ku, Furo Cho, Nagoya, Aichi 4648601, Japan

[3] Nagoya Univ, Inst Transformat Biomol WPI ITbM, Chikusa Ku, Furo Cho, Nagoya, Aichi 4648601, Japan

[4] Natl Inst Nat Sci, Natl Inst Basic Biol, Div Seasonal Biol, 38 Nishigonaka, Okazaki, Aichi 4448585, Japan

来源：

JOURNAL OF POULTRY SCIENCE | 2016年 / 53卷 / 01期

关键词：

photoperiodism; seasonal reproduction; testis; ONE-GENERATION REPRODUCTION; DEEP BRAIN PHOTORECEPTOR; BIRDS; GONADOTROPIN;

D O I：

10.2141/jpsa.0150097

中图分类号：

S8 [畜牧、动物医学、狩猎、蚕、蜂];

学科分类号：

0905 ;

摘要：

Organisms measure day length to better adapt to seasonal changes in the environment; this phenomenon is called photoperiodism. The Japanese quail has a highly sophisticated photoperiodic mechanism and is an excellent model for the study of photoperiodism. Various lines of quail have been established during the domestication process. In the present study, we examined the effect of long day (LD) followed by short day (SD) on testicular weight in four lines of quail (L, AMRP, NIES-Br, and WE). When the quail were raised under SD conditions, testicular development was suppressed in all examined lines. The speed of the LD-induced testicular development of NIES-Br line was faster than that of AMRP line, while the speed of the SD-induced testicular regression of L line was significantly faster than that of WE line. These quail lines provide excellent model to uncover the underlying mechanism of seasonal testicular regression.

引用

页码：63 / 66

页数：4

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