. Commercial poultry raising; a thoroughly practical and complete reference work for the amateur, fancier or general farmer, especially adapted to the commercial poultryman. Poultry. 172 COMMERCIAL POULTRY RAISING of the nest; as she passes the point where the door is hinged to the treadle, her weight causes it to fall, which pulls up the door behind her, as shown in lower view. It is then impossible for the hen to leave the nest or for other hens to enter, until the atten- _. erf «â r - * ⢠=£-teâ' i â y i 0 o ^ J STRAIGHT XDtW OVTjipc DOOH-3TOP / - ^'OLSAlAtKe \A P i i ⢠II i F £>
. Commercial poultry raising; a thoroughly practical and complete reference work for the amateur, fancier or general farmer, especially adapted to the commercial poultryman. Poultry. 172 COMMERCIAL POULTRY RAISING of the nest; as she passes the point where the door is hinged to the treadle, her weight causes it to fall, which pulls up the door behind her, as shown in lower view. It is then impossible for the hen to leave the nest or for other hens to enter, until the atten- _. erf «â r - * ⢠=£-teâ' i â y i 0 o ^ J STRAIGHT XDtW OVTjipc DOOH-3TOP / - ^'OLSAlAtKe \A P i i ⢠II i F £>firVi EiW. t râ -ft" â ':«' \l£=M h âft' â¢! &'«uf-hSuw {California Rxperiment Station) Fig. 120.âPlans for a single-compartment trap nest. dant resets the trap by depressing the door to its original hori- zontal position. The operation is extremely simple, consists of but one movement, with no triggers or other locking devices to adjust. When a hen has laid an egg and desires to leave the nest, she. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Roberts, Howard Armstrong, 1885-. Philadelphia, D. McKay
Size: 1748px × 1429px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookpublishe, booksubjectpoultry
