The Montgomery advertiser., 1904-06-27
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different breeds of domestic animals.
 The proportion of the potash, phos- phoric acid and nitrogen of the food recovered in the manure vary consider able with the age and kind of animal. Full-grown animals. neither gaining nor losing weight. excrete practically all of the fertilizing constituents con- sumed in the food. Rapidly growing animals may excrete as little as 50 per cent. of the fertilizing constituents of the food, while milch cows excrete from 65 to S5 per cent. and fattening or working animals from 90 to 95 per cent. The Mississippi Experiment Station found that young fattening steers ex- creted on an average S4 per cent. of the potash and S6 per cent of the phos- phoric acid of the food consumed. The Pennsylvania Station reports experi- ment in which milch cows excreted S3 per cent. of the nitrogen, 92 per cent. of the potash and 75 per cent of the phosphoric acid of their food. E It has been shown that both the amount and the value of manure vary to a considerable extent with the kind of animal producing it. the animals producing the smaller amounts as rule yielding the richer manure.
 Thus sheep. which produce the small est amount of manure per 1000 pounds
 
 ing that of greatest value per ton, and cows, which stand first as regards pro- duction, rank lowest as regards quail ity. Hogs, however, stand in the front rank as regards both amount and quail Pity, and the difference is Iexplained to large extent by the dissimilar feeding habit of the dif- feren kinds of animals, but especially by variations in the water contents of . f1- i. .x,zxz RA. tics of the manure produced by differ ent kinds of animals are as follows: Sheep manure contains q small amount of water. and is, weight for | weight, the richest manure produced by any of the common farm animals 1 it Is what is called hot manure, fer | menting rapidly with the development of heat Like horse manure 1t is es- pecially likely to lose ammonia. Horses manure Is very dry, and is therefore. difficult to thoroughly mix with litter. It 1t hot manure, under going fermentation rapidly and gener- | ating high heat on account of its loose texture. It Is likely to lose am- monia even more rapidly than sheep manure and requires careful manage ment from the moment 1t Is voided. The composition of horse manure is more uniform than that of any other 1afm animal, cnleuy because the 1oou of horses is more uniform. The urine is especially rich.
 Hog manure is very variable in com position, owing to the variable nature of the food supplied to this animal, but is generally rich, although contain ing a high percentage of water. It generates little heat in decomposing. The manure of neat cattle, like that of hogs, and for the same reason, Is variable in character, but is generally poorer than that of other farm animals on account of its large per centage of water.
 It decomposes slowly and develops little heat.
 Poultry manure Is very rich in all the fertilizing clements. but especially so in nitrogen. owing to the fact that the urinary secretions, which contain large amounts of nitrogen as well as potash in readily available form. are voided with the solid excrement. It quickly loses nitrogen, however, by fer mentation If not properly mixed with absofbents or preservatives In no case should alkaline substances, like | lime. wood ashes. etc, be mixed with | poultry manure.