The duck raisers on Long Island use large quantities of fish for their breeding stock. This is known as the "fish diet," and is considered as being very valuable to induce egg production. Where fish are cheap they form an excellent substitute for beef scraps in the rations for breeding ducks or ducks not intended for market, but under no circumstances should fish be fed to stock that will be marketed. Fish makes the flavor of the flesh strong and ducks fed on fish will not have ready sales in the market. The fish are cooked by boiling in iron camp kettles until well done, and then mixed, bones and all, in the rations as given above for breeding ducks. When fish is used the beef scraps are omitted.
HOW MUCH TO FEED.
The amount of feed needed each day for young ducks varies as much as does their growth. Their growth averages a half pound a week, and to make this increase of weight each week requires an additional quantity of food over the preceding one. The rule is, feed each meal what they will eat up clean with a relish, and do not allow them to linger over the feed trough. It is better they should have not enough than too much, as they will be in a much better condition to relish the next meal. One thing is considered to be of as much importance as the feed, and that is removing the feed left over and thoroughly cleaning the troughs after each meal. This is scrupulously attended to by successful duck raisers.
One raiser gives, as a generous allowance for one day's ration for one hundred laying ducks, the following: For the morning meal, 35 quarts of the mash, and for the evening meal 40 quarts, making a total of 75 quarts for the day's portion, or three-fourths of a quart to each duck a day. Another raiser allows 400 quarts, fed in halves, twice a day, to six hundred breeding or laying ducks, averaging two-thirds of a quart to each duck a day.
There are many patterns of feed troughs in use, hardly any two being alike. They are simple affairs, the simpler the better, as they are more easily kept clean. The designs given for water troughs are equally as good for feed troughs and answer the purpose very well. Each pen of birds should have two troughs, one for water and the other for feed, built proportionately to suit the age and size of the birds they are intended for. Make them of sufficient length to avoid crowding, so that all the birds in each pen will have ample room to eat at the same time.
OYSTER SHELLS AND GRIT.
Grit in some form is essential to ducks and should be kept before them at all times. Many overlook this fact and do not seem to understand that it is of as much value to them as it is to chickens. The sand used in the mashes tends to supply a certain amount of grinding material or grit to them, but does not fully satisfy them for digesting their food. On a farm where more than ten thousand birds are raised annually, and where disease is practically unknown, it was noted that in every pen there was a box of grit and a box of crushed oyster shells. This raiser states that he considers grit and oyster shells an absolute necessity for ducks, and he attributes the healthy appearance of his stock to it. His birds eat it freely and the supply is never allowed to run out.
KILLING AND DRESSING FOR MARKET.
There are two methods of dressing ducks for market, by dry picking and by scalding. Both of these methods are good and are being successfully employed by the largest raisers. Some have a preference for dry picking and others for scalding, and it becomes only a matter of taste which method is used. When birds are dressed by scalding they should be dipped several times, or until the feathers come out easily. The back should be dipped in the water first. After scalding, wipe them as dry as possible with a sponge and pick the breast feathers first. A bird when dressed for market has left on it the feathers on the wing, the tail feathers, and the feathers on head and neck, as shown in [fig. 27]. The legs are left on, and the birds are not drawn.
The process of dry picking is considered the simpler of the two methods, and one who is accustomed to the work can readily dress 3 dozen birds in a day. The picker's outfit consists of a chair, a box for the feathers, and a couple of knives, one knife being dull and the other being sharp pointed and double edged, for bleeding. The bird is taken between the knees, the bill held open with the left hand, and a cut made across the roof of the mouth just below the eyes. The bird is then stunned by striking its head against a post or some hard substance. The picker seats himself in the chair with the bird in his lap ([fig. 28]), its head held firmly between one knee and the box. The feathers arc carefully sorted while picking; the pins are thrown away and the body feathers with the down are thrown into the box. Care should be taken about this, as the feathers from each bird will weigh about 2 ounces, and will quite pay for the picking.