Number of Breeders Required. With the usual methods of management and with good success, one may estimate that 40 young ducks can be marketed each year from each breeding female. This is a good average although in some good years duck raisers will do a little better than this. On the other hand in poor years they will not do so well. For a plant having an output of 30,000 market ducks there would therefore be needed in the neighborhood of 800 breeding ducks in addition to 100 drakes.
Housing Required for Breeders. In figuring on the amount of housing required for this number of breeding ducks, it is necessary to figure on 2½ to 3 square feet of floor space per bird, 3 square feet being better than 2½. This would require a housing space 20 feet deep by 120 feet long. However ducks are not usually housed in one building of this size, and in fact it is better not to do so since the smaller the flock of breeders kept together the better they will do. In no case should a duck raiser run more than 400 ducks in a flock and it is very much better to run them in pens of 100 each. In fact, some breeders do not place more than 25 to 50 breeding ducks in a pen.
Incubator Capacity. Incubators are used exclusively for hatching the eggs. At the present time in practically all cases some form of hot water mammoth incubator is utilized for this purpose. An investment is required both in incubators and in a cellar in which to operate them. In figuring on the incubator capacity necessary to take care of a proposition of this size, it is necessary to base the estimate on the number of eggs produced during the season of flush production. The duck raiser figures on incubating all eggs suitable for the purpose rather than to sell any of them for other purposes as there is a greater profit in rearing and marketing the ducklings. For that reason he must have incubator capacity enough to take care of all the eggs laid at any time of the year. During the season of flush production the yield will ordinarily run in the neighborhood of 80%. The period of incubation is 28 days but 2 days more should be added to this to allow for cleaning out the machines, etc., before starting another hatch. This means that there would be 30 days between hatches. Figuring on 800 ducks with an 80% production for 30 days an incubator capacity of around 19,200 eggs would be required.
Brooder Capacity. A brooder house capacity, where artificial heat can be supplied, sufficient to take care of about half of the total output of the plant at one time is necessary. This means there would have to be on this plant a heated brooder house capacity for 15,000 ducklings. About half of this number or 7500 would need accommodations in the number 1 or warmest brooder house where the heat can be kept up to 65 or 70 degrees in the house itself, and warmer of course under the hover. The other 7500 ducklings capacity would be in the number 2 house, that is, a house where heat could be supplied in the early spring and where the temperature could be run up to 60 degrees. Hovers in such a house are not really needed but it is common to cover the hot waterpipes with a platform in order to provide a runway on which one can run a wheel barrow and thus simplify feeding. Ordinarily after May 1 no heat is needed in the number 2 brooder house. The young ducks are usually 2 to 3 weeks old when they go into the number 2 house and they stay there for about 2 weeks depending on the weather. Heat for the brooder houses is supplied by means of hot water pipes and a coal burning stove such as are used in brooder houses for chickens. A number 3 or cold brooder house is also needed where ducklings can be housed and can be driven in at night and in cold weather after they have graduated from the number 2 house. From the number 3 house a part of the ducklings are taken directly to the yards where they are housed in open front sheds.
Fattening Houses or Sheds. In addition to the brooder houses, there are required fattening houses or sheds for the ducks when they are moved from the No. 3 brooder house to the yards. Suitable houses for this purpose are 16 feet deep by 24 feet long. In front they are 5 feet high and in the rear 3½ feet. They are set on posts with a base board around to make them tight. The fronts are entirely open and provided with curtains which are used only in the winter to keep out the snow. The ducklings are shut in these houses when desired by means of wire panels which close the lower part of the front. Houses such as described are divided into two parts and each side will accommodate 200 ducklings.
Feed Storage. Considerable feed storage room is necessary as it is very desirable to be able to buy feed in quantity and also to carry a considerable stock on hand in order to offset the possibility of not being able to secure feed at any time. There should be storage capacity for 4 cars of 30 tons each, in other words, for 120 tons of feed. Still greater capacity than this is desirable. In connection with the feed storage there should be a place where the feed can be mixed and where feed can be cooked. Two power operated feed mixers are required as one is not sufficient during the busy season to allow the mixing and feeding of the mash for both the breeders and the young stock at the same time. A feed cutter is necessary in preparing the green feed which is mixed in the mash. The usual type of kettle feed cooker is commonly used for boiling fish and preparing other cooked feeds but in its place a small four-horse steam boiler can be utilized to good advantage as this makes it possible to cook the feed right in the mixer by using a steam hose.
Killing and Picking House. A killing and picking house where the ducks can be prepared for market is another necessary building but this need not be an expensive building. It must be located with reference to its convenience to the rest of the plant. It is also desirable to locate it over a spring if one is available for the spring water can be used to excellent advantage in cooling the dressed ducklings. When a spring is not available water must be piped to this building. The killing house is usually built with at least one side open or partly open. A place is provided outside the picking room where the ducks can be hung and bled. Inside room is required for six or eight pickers. A kettle for heating water to be used in scalding the ducks is necessary as are also tanks in which to place the ducks after they are picked. Additional room is needed where the ducks can be weighed and packed ready for shipment.
Residence. In addition to the other buildings enumerated, a residence would of course be necessary. The size and elaborateness of this and consequently its cost depends entirely upon the owner's needs and wishes.
Horse Power. One horse and wagon for the purpose of drawing the feed about the plant and for certain other necessary work would be required. If the owner desires to do his own hauling of the feed from the railroad and the other necessary trucking he would, of course, have to keep more horses, a team at least, or an automobile truck. Where only one horse is kept, this trucking must be hired done.
Feeding Track. On many of the larger duck farms, a feed track is employed in feeding the stock. Such a track consists of a framework of sufficient strength to support a car filled with mash which is pushed along the track by hand. The track leads from the feed mixer across the various yards where the ducks to be fed are located, including both the breeding ducks, yard ducks and brooder ducks in yards. This involves a considerable amount of trackage which must be fairly level and which runs over the yard fences or along the ends of the yards so that the feed can be shoveled directly from the car into the feeding trays in the yards. The use of a feed track simplifies the feeding considerably but its construction is quite expensive. Where a track is not used, the feed as mixed is dumped into a low wagon which is driven along the yards, or through them by removing movable panels in the fences and the feed shoveled from the wagon to the feed trays.