专利汇可以提供Dietetical slide rule专利检索,专利查询,专利分析的服务。并且PURPOSE: To easily calculate by use of an exclusive slide rule as to feed for animals based upon total amount of digestible nutrition (TDN) and amount of digestible raw protein (DCP), which are considered to be the most important for a breeding control.
CONSTITUTION: A necessary nutrition amount which is requred for rearing a cow shows a curve to its weight, and a nutrition amount required for keeping a grown- up cow can be linearized. For instance, as for the nutrition amount required for rearing a cow, a horizontal axis, a vertical axis and a straight line extending at an angle of 45° from the origin show DCP amount, TDN amount and weight, respectively. A curve above the afore-mentioned oblique line shows TDN amount to be derived of a calf which is growing, and a curve above the former shows TDN amount of a grown-up cow which is in the final two or three months of pregnancy. A curve on the right of the oblique line shows DCP amount to be derived in the same way, and furthermore a curve on the right of the former shows DCP amount to be derived concerning a cow which is pregnant. B is that which has added the nutrition amount of a grown-up cow to A, and becomes a fixed plate. C is a plan of a slide rule.
COPYRIGHT: (C)1980,JPO&Japio,下面是Dietetical slide rule专利的具体信息内容。
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