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The Ontario Agricultural College

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THE ONTARIO AGRICULTURAL COLLEGE has also carried on extensive feeding ex periments with different breeds of hogs. Six of the leading breeds have been tested by the college for a number of years, to determine the economy of gain and value for bacon. The following table shows the rank of the different breeds for the years 1896 to 1900. In each case the breeds are arranged in order of economy of production.

In all five tests, Yorkshire took the lead as to suitability for the export bacon trade. Tamworth stood next, Berkshire easily ranked third in the five years' work, while for economy of pro duction they stood first in four out of five tests.

In these experiments the grain re quired to produce 100 pound of gain averaged 379 pounds for the Berkshires, 390 for the Tamworth, 369 for the Duroc-Jerseys, 395 for the Yorkshire, 400 for the Chester White, and 401 pounds for the Poland-Chinas.

AT THE MINNESOTA STATION, first cross Improved Yorkshire pigs made slightly better gains in a test than second cross Improved Yorkshire pigs, but the dif ference was too slight to indicate any superiority of one cross over the other for fattening. Tests of a number of breeds and crosses resulted in showing that pork could be produced more cheap ly from the Large Improved Yorkshire and Tamworth than from the Poland Chinas. A cross of these breeds on the Poland-Chinas produced vigorous, shape ly pigs that gained more rapidly and This table brings out clearly the smaller amount of food eaten by the fattened more perfectly than Poland Chinas.

These experiments did not sustain the views sometimes advanced that the re sults will be less satisfactory from each succeeding cross with Yorkshire or Berkshire. The lard types did not grow faster up to 196 days from birth than swine of the bacon type.

AT THE WISCONSIN STATION tests were made of Razorbacks, small Yorkshires, and Razorbacks crossed on Poland Chinas, and on Berkshires. The amount of grain eaten daily, the total gain of the pigs and the cost per 100 pounds of gain is shown in the following table: Razorbacks in comparison with the im proved crosses and the pure bred York shire, the smaller gain made during the same feeding period and the much great er cost per pound of gain. The experi ment also emphasizes the fact that all of our improved breeds are much heavier eaters than the unimproved breeds and they make much better use of the food, gaining more rapidly and reaching a marketable size much sooner than the unimproved forms.

A farmer must never make the mis take of thinking that because he has pure breeds or improved breeds he can feed them less and that they will make better gain than with unimproved stock.

They are improved breeds simply be cause they can utilize much more feed to advantage than the common unimproved stock.

breeds, gain, improved and yorkshire