SHORT TOTAL PHOTOPERIODS AND EGG-PRODUCTION OF WHITE LEGHORNS

被引:22
作者
VANTIENHOVEN, A [1 ]
OSTRANDER, CE [1 ]
机构
[1] CORNELL UNIV,DEPT POULTRY SCI,ITHACA,NY 14853
关键词
D O I
10.3382/ps.0551361
中图分类号
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号
0905 ;
摘要
引用
收藏
页码:1361 / 1364
页数:4
相关论文
共 7 条
[1]  
Follett B.K., 1973, Journal Reprod Fert, V19, P5
[2]   CIRCADIAN RHYTHMICITY IN PHOTOPERIODICALLY INDUCED GONADOTROPHIN RELEASE AND GONADAL GROWTH IN QUAIL [J].
FOLLETT, BK ;
SHARP, PJ .
NATURE, 1969, 223 (5209) :968-&
[3]  
Fraps R. M., 1955, PROGR PHYSIOLOGY FAR, V2, P661
[4]  
Snedecor G.W., 1980, STAT METHODS
[5]  
Van Tienhoven A, 1973, HDB PHYSIOLOGY 1 7, V2, P79
[6]   EFFECT OF INTERRUPTION OF DARK PERIOD AT DIFFERENT INTERVALS ON EGG-PRODUCTION AND SHELL BREAKING STRENGTH [J].
VANTIENHOVEN, A ;
OSTRANDER, CE .
POULTRY SCIENCE, 1973, 52 (03) :998-1001
[7]  
1975, EGGS CHICKENS TURKEY, P4