Hog-breeding is (pres simp) an important branch of animal husbandry. Hogs produce (pres simp) meat (pork), fat (lard) and skin. They grow (pres simp) and develop (pres simp) more rapidly than any other class of farm animals. The best pork breeds produce (pres simp) meat at 4 to 5 months. That is (pres simp) why during a year one may (pres simp) fatten two generations of hogs. The male pig is called (pres simp pass) a hog, the female pig is (pres simp) a sow, and the small piglets are often called (pres simp pass) just pigs. A sow usually produces (pres simp) from 6 to 12 piglets at a litter. The fattening of pigs usually begins (pres simp) from an early stage of growth. Hogs are (pres simp) the most efficient converters of feed into meat among farm animals. It takes (pres simp) about 3,5 pounds of feed to 1 pound of gain. There are (pres simp) about 700 million heads of swine in the world with more than 40% in China alone. Many nutritious products are made (pres simp pass) from pork - bacon, ham, sausages, canned pork and so on. Hog skins are used (pres simp pass) for producing leather. There are (pres simp) a number of pure breeds of pigs such as Black Breed, White Breed and others. The hog fits (pres simp) especially well on dairy farms where there is (pres simp) plenty of milk, butter milk and whey. Dairy by-products, small potatoes and many other household wastes...
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