| GROWING MASH NO. 4 | Parts by weight | |
| Yellow corn (ground) | 20 | |
| Wheat middlings (standard or brown) | 15 | |
| Oats (finely ground) | 15 | |
| Wheat bran | 10 | |
| Alfalfa leaf meal | 10 | |
| Yellow corn gluten meal | 10 | |
| Dried milk | 10 | |
| Meat scrap (50- to 55-percent protein) | 5 | |
| Steamed bonemeal | 2 | |
| Ground oystershell or limestone | 2 | |
| Salt (fine, sifted) | 1 | |
| Total (crude protein 20 percent; crude fiber 6 percent) | 100 |
These growing mashes are all fed with scratch grains consisting of such grains as corn, wheat, barley, and oats. Corn, wheat, or barley may be used as the only scratch grain except with growing mash No. 4, which should contain from 50 to 75 percent of oats. A good grain mixture may be made of 40 parts of corn, 40 parts of wheat, and 20 parts of oats. Mashes 1 and 2 are for flocks having access to a good green range. In mash No. 2 soybean oil meal, which has proved to be a good source of protein and is also good for fattening, is substituted for meat scrap. Mash No. 3 is a more complete ration and is advised for all conditions where the turkeys do not have an abundance of growing green feed.
Other combinations of grains and byproducts may be used successfully, the exact selection depending largely on availability and cost of feeds. It is best to use at least two grains, and preferably three or four, in the ration. Corn is the grain most commonly used in feeding turkeys. Not more than 60 percent of the entire growing ration should consist of oats or barley or a combination of the two. Yellow corn tends to produce a deep-yellow skin color while white corn, barley, and wheat produce turkeys with light-colored skins.
If the birds have all the milk they will drink along with whole grains, they will consume enough milk to make good growth, if no water is fed. A mixture of 30 percent of corn, 30 percent of oats, 20 percent of wheat, and 20 percent of barley is satisfactory; so is a free choice of several grains. However, the whole-grain and liquid-milk method works well only when the birds are on a good, green range and is practical to use only when milk products are cheap. Some loss from pendulous crops is to be expected when liquid milk is consumed liberally and this is one of the chief objections to its use. The milk receptacles should be set on a wire screen and covered to protect them from the weather and from contamination with droppings. Sanitation is especially important when milk is used.
GENERAL SUGGESTIONS FOR FEEDING
Feed should be kept before the birds constantly from hatching to market age. During the first 6 weeks feed starting mash. During the seventh and eighth weeks feed a mixture of equal parts of the starting and growing mashes. From 9 to 12 weeks feed the growing mash. From 13 weeks to marketing feed growing mash and scratch grain. No scratch grain is fed during the first 12 weeks. If a change is made from mash to the whole-grain and liquid-milk method, cut down the mash gradually until the poults learn to drink the milk and to eat the whole grain freely.
Cod-liver oil is necessary in starting rations, but as a rule it is not necessary in a growing ration unless the birds are confined. In that case, about 1 percent should be added to the mash. A good grade of plain cod-liver oil is advised for use in turkey feeds. Fish meal, though an excellent feed, may impart an undesirable flavor to turkey meat. Fish meal and cod-liver oil should be omitted from the fattening ration during the last 8 weeks before the birds are marketed. Birds should not be moved, or feeding arrangements radically changed in the last 6 weeks before marketing.
Feeding the growing mash wet is a common practice in some localities. Like the dry-mash and scratch-grain system, it produces fine-quality turkeys although the labor in feeding may be greater. With this method the turkeys are fed all they will eat of a moist, crumbly mash placed in troughs with sufficient trough space provided to accommodate all the flock at one time. Only as much mash as the birds will clean up in 30 to 60 minutes is fed twice daily. Tail picking seldom occurs during moist-mash feeding if the ration is complete.
Grit may be furnished in the form of commercial granite grit or coarse sand for little poults and fine gravel for the larger birds. Limestone grit does not serve well as grinding material and is unnecessary with the rations as listed.
The poults may be put on the rearing ground when they are from 8 to 12 weeks old. An alfalfa field is an ideal rearing ground and may be used as a permanent, fenced, rearing range divided into 2 or 3 sections. When the rearing range is divided into 2 sections, 1 may be used for 2 seasons in succession while the other is rested for 2 seasons. A better plan is to divide it into 3 parts, allowing 1 season's use followed by 2 seasons' rest for each of the 3 sections. With portable houses and fences a method known as the "Minnesota plan" ([p. 37]) permits the turkey poults to be moved to a new section once a week and to an entirely new plot each year. Land on which no poultry of any kind have run for 2 years and on which no poultry manure has been spread, may be considered clean ground. The feed should not be put on the ground but in hoppers or troughs which should be moved frequently or set on wire-covered framework to prevent contamination with droppings. It is very important that the drinking water be fresh and clean and that the growing turkeys should not have access to stagnant water pools. Watering dishes should be placed on wire-covered platforms with a device to prevent contamination from the birds' perching on the top or sides.