. Poultry houses and fixtures. How to lay out poultry plants ... thenest is covered with poultry netting andthe revolving door in front also is coveredwith 1-inch netting, or with galvanizedwire cloth. The sides of the door, as willbe seen in Fig. 195, are each made of apiece of ^-inch lumber. The circular faceof the door is approximately one-third ofa full circle and should measure Xy/iinches, while the straight edges shouldeach measure lYz inches. The two sides ofthe door are fastened together at top andbottom by means of strips about J^xl^/inch. The door swings on screws that passthrough sm
. Poultry houses and fixtures. How to lay out poultry plants ... thenest is covered with poultry netting andthe revolving door in front also is coveredwith 1-inch netting, or with galvanizedwire cloth. The sides of the door, as willbe seen in Fig. 195, are each made of apiece of ^-inch lumber. The circular faceof the door is approximately one-third ofa full circle and should measure Xy/iinches, while the straight edges shouldeach measure lYz inches. The two sides ofthe door are fastened together at top andbottom by means of strips about J^xl^/inch. The door swings on screws that passthrough small holes in the extreme backpart of the door frame and are screwedinto the sides of the nest. Care must be taken to see that the doorswings freely back and forth and is sobalanced that when it is open a hen pass-ing underneath will tip it forward. Whenthe door is open, ready for use, it restson a nail driven into the box, this nail being so placedthat the door is just balanced when open. After the henenters the nest she has to step onto or over a 4-inch strip. FIG. 194—Photo GRAVITY TRAP NEST WITH DOOR CLOSEDfrom American School of Poultry Husbandry. TRAP NEST This section through side of nest shows dimensions,method of hanging door on screws, also location of nailwhich supports door when open. Hen in stepping overlow board in front of nest lifts door and causes it toroll forward along dotted line. Original drawing fromAmerican School of Poultry Husbandry. INTERIOR FIXTURES AND EQUIPMENT 97 that is nailed across the bottom and forms the front ofthe nest proper. This raises her back so that it touchesthe door, which then gently rolls forward and closes be-hind her. With a little care in adjusting the door and se-curing a proper balance, the nest is accurate and depend-able. FEED TROUGHS AND HOPPERS Troughs That Fowls Cannot Get Into. Hoppers That Prevent Wasting of Feed. For feed troughs to be placed directly on the floor,the one shown in Fig. 198 is probably as good as any.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectpoultry, bookyear1919
