The Egg-"Numerostat". A New Concept in the Regulation of Clutch-Size

Bantam hen nests were equipped with inverted wire-mesh baskets into which eggs were transferred upon laying. The hen stopped ovulation when the egg number reached the normal value for each hen. The same occurred when eggs were exchanged with larger eggs. Thus hens seem to judge their clutch size bas...

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Veröffentlicht in:	Ornis Scandinavica 1981-08, Vol.12 (2), p.109-110
Hauptverfasser:	Steen, Johan B., Parker, Howard
Format:	Artikel
Sprache:	eng
Schlagworte:	Bird nesting Birds Chicken eggs Clutch size Eggs Hens Ovulation Trolley wire Wire cloth
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description	Bantam hen nests were equipped with inverted wire-mesh baskets into which eggs were transferred upon laying. The hen stopped ovulation when the egg number reached the normal value for each hen. The same occurred when eggs were exchanged with larger eggs. Thus hens seem to judge their clutch size based on visual observation of egg number.
doi_str_mv	10.2307/3676034
format	Article
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source	JSTOR Archive Collection A-Z Listing
subjects	Bird nesting Birds Chicken eggs Clutch size Eggs Hens Ovulation Trolley wire Wire cloth
title	The Egg-"Numerostat". A New Concept in the Regulation of Clutch-Size
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