. Principes et pratiques de la culture de la volaille . La volaille. 164 LA CULTURE DE LA VOLAILLE sont peu coûteuses et sont, dans l'ensemble, plus satisfaisantes que les plus complexes conçus pour rendre impossible pour les oiseaux d'obtenir leurs pieds dans la nourriture. TYi^télévision les creux sont réalisés avec des fonds de | OU | pouces (surfacés d'un côté) et avec des côtés de tartre ou latte, en fonction de la taille de la fosse et des oiseaux qui sont à se nourrir de lui. Pour les tailles jusqu'à 6 pouces de large et environ 2 pieds de long, | pouces trucs avec bords de la latte, va faire. Pour de plus grands creux il est mieux d'utiliser |^ pouces bottoms, thoug

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. Principles and practice of poultry culture . Poultry. 164 POULTRY CULTURE cost very little and are, on the whole, more satisfactory than the more elaborate ones designed to make it impossible for the birds to get their feet into the food. TYi^flat troughs are made with bottoms of |-inch or |-inch boards (surfaced on one side) and with sides of furring or lath, according to the size of the trough and of the birds which are to feed from it. For sizes up to 6 inches wide and about 2 feet long, |-inch stuff with edges of lath will do. For larger troughs it is better to use |^-inch bottoms, though if they are for young birds, the sides may be of lath. A favorite style of fiat-bottomed trough is made by nailing the sides to the bottom so that they pro- ject equally on both sides of the board, making a reversible trough.. Fig. 258. Trap nest used at North Carolina Experiment Station (one trap set) 1 Fig. 259. Same as Fig. 25S, one nest drawn out and opened at top to remove egg ^ The advantage of this is that, by simply turning it over, the trough is emptied of the litter or dirt which accumulates in it between feedings, while a single trough must be turned over and back. Very small V-shaped troughs may be made of |-inch boards, but in general it is better to make them of |-inch stuff. For very large troughs, used in goose fattening, this form is usually preferred. For regular feeding, most poultry keepers prefer short troughs from 3 to 4 feet long and from 6 to 8 inches wide. A short, wide trough will accommodate more birds than a narrower and longer one with the same superficial area, and it is easier to feed in them (with birds crowding about) without scattering food on the ground.^ A trough 12 inches wide by 16 or 18 inches long makes ' Photographs from North CaroHna Experiment Station. 2 This is an important point when the feed trough stands on the poultry-house floor or on bare or soiled ground. On clean sod no troughs are needed for moist mash; it may be fed on the

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