FIELD: animal farming.
SUBSTANCE: method involves determining build indexes; taking animal's measurements six times per day in equal time intervals; calculating chest index on the basis of measurements obtained, said index being "activation" element in "well-proportion" system, and its summing elements such as outgrowth index, long-leg index and lengthiness index; for stoutness system, setting introduction elements such as "meatness" and "boneness" indexes, and its summing functioning elements such as "well-knitness" and "broad-bodyness" indexes; determining animal's build type on the basis of equations established by minimal quadrate method, said quadrates being defined from build indexes calculated from taken daily measurements; acknowledging animals as milky type when they have "activation" element in "lengthiness" system and its summing element expressed in reliable logarithmic equation and in "stoutness" system expressed in linear equation; acknowledging animals as meaty-milky type when "activation" element in "lengthiness" system is expressed by parabola, its summing element is expressed by linear equation, and in "stoutness" system it is expressed by linear equation and parabola; acknowledging animals as meaty type when animals' "activation" element in "lengthiness" system is expressed by linear equation, its summing element is expressed by parabola, and in "stoutness" system it is expressed by equation of parabola and exponent.
EFFECT: increased accuracy and fastness in determining type of cattle animal's build.
19 dwg, 18 tbl, 1 ex
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Authors
Dates
2007-02-27—Published
2005-03-21—Filed