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放牧家畜良种率
释义
放牧家畜良种率
Encyclopedia
农学
放牧家畜良种率
释
grazing livestock improved seed rate
放牧家畜良种率
在放牧家畜群中良种家畜数量占其家畜总数的百分比。良种家畜是指有一种或多种遗传稳定且对人类有益的性状(如生产性能、饲料效率、抗病力、抗应激能力等)的家畜品种。
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principle of the unification of subjectivity and objectivity
principle of timely recovery
principle of time value of money
principle of transference
principle of transfinite induction
principle of translation criticism
principle of treatment
principle of trivalence
principle of ubiquity of diachronism
principle of uniform boundedness
Principle of uniformity of temperature difference field
principle of uninterrupted trial
principle of unity and sequentiality of educational influence
principle of unity of knowledge and practice
principle of universal suffrage
principle of using native language
principle of utmost good faith
Principle of Valuable Idea
Principle of Vectoring
principle of velocity potential superposition
principle of virtual displacement
principle of virtual displacements
principle of virtual force
principle of virtual velocities
principle of virtual work
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