Cornell ration for egg-production

Poultry Feeding 147

Proportion about 2 lb. grain to 1 lb. ground feed.

Cabbage, beets, sprouted oats or grass; oyster shells; grit; water.

Results (1909-1910)

Best pullet laid 258 eggs.

Next pullet laid 253 eggs.

Fifteen selected pullets, averaged 236 }

Best flock pullets averaged              182 }eggs each

Relation of food-consumption to egg-production (Cornell).

That the number of eggs produced bears a close relationship to the amount of food consumed is shown in the chart (Fig. 8) A and B where it will be seen that the hens which laid the largest number of eggs in a stated period consumed the most food. Periods of large egg-production always appear to be periods of increased food consumption, and vice versa.

It will be noticed that the increase in food consumed precedes, by a few weeks, the increase in production, showing that the fowl fortifies her body by storing up the nourishment from which to produce eggs (A, B, and C).

A glance at the plotted curves, comparing (B), the weight of the fowls during each period, and (C), the percentage egg-production for each period, will show how uniformly the curve expressing increase and decrease in production follows the curve of increase and decrease in weight. The weight of hen is greatest preceding heaviest egg-production.

A comparison of the amount of food consumed, the eggs laid, and the weight of flocks of different ages shows that the youngest fowls ate the most food and produced the largest number of eggs.

The percentage egg-production varies each month, according to the seasons, with remarkable regularity. This is strikingly

Poultry Feeding 148

Fig. 8. - A comparison of one-, two-, and three-year-olds per period of 28 days, of both starved and fed fowls. A = Consumption of food. B = "Weight of fowls. C = Percentage egg-production. Note that an increase or decrease in weight is usually preceded by corresponding increase or decrease in the amount of food consumed by each flock, and that an increase or decrease in per cent egg-production is preceded by a corresponding increase or decrease in weight of each flock. It will also be observed that there is great uniformity between the various flocks each period as to increase or decrease in food consumption, weight, and per cent egg-production. The transverse chart-lines show uppermost set starting at 1 year, 2 years, 3 years; middle set, 3 years, 1 year, 2 years; lowest set, 1 year, 2 years, 3 years.

illustrated in the plotted curves of production during the sixteen periods of twenty-eight days each, for the six flocks of fowls of different ages (C). From August 11, the beginning of the experiment, there was a gradual decline in production with all the flocks until the latter part of December. From this time production increased rapidly until the latter part of April, when it remained practically stationary until the middle of May ; then it declined gradually until the close of the experiment, November 8.

Preparing Fowls for Market by Bleeding (Graham)

Hold the head of the bird with the left hand, back of the head up, keeping the hand on the back of the neck to avoid cutting yourself should the knife slip and pass through the top of the head. Take the knife in the right hand, the back of the blade toward your body. Insert the blade in the mouth, keeping the point to the right side of the bird's neck and as near the outer skin as possible until it is well past the neck bone. Then press the edge toward the bone and slowly draw the knife from the mouth, the hand moving from your body, so that the knife appears to pass across the neck. Repeat the process on the left side of the neck. This should cause the bird to bleed freely, but by holding the beak up the blood will remain in the neck, giving you plenty of time to pierce the brain. The latter is located just above the eye and can be easily reached through the upper part of the mouth by using a stiff steel blade, inserted in the mouth with blade edge up and pointing slightly over the eye. With young birds little trouble is experienced in piercing the brain, but with older birds a very stiff blade is required, as the bones are much harder. When the point of the blade enters the brain, give the knife a quick twist to right or left to widen the aperture. If the brain has been reached, the bird will attempt to squawk or will give a nervous jerk as the blade touches the spot, and this touching the brain or nerves not only loosens the feathers of the bird for dry plucking, but will greatly improve the appearance of scalded stock.