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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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fracture behavior of ceramics
fracture control of steel pipe
fracture criterion
fracture density
fractured reservoir
fractured rock masses
fracture log
fracture mechanics
fracture mechanics of piezoelectric materials
fracture mechanics of superconductors
fracture network system
fracture ofaero-engine blade
fracture of amorphous materials
fracture of articular surface of distal radius with dislocation of wrist joint
fracture of femoral neck
fracture of femoral shaft
fracture of foot
fracture of horn
fracture of nasal bone
fracture of optic canal
fracture of sinuses
fracture of skull
fracture of sphenoid sinus
fracture oftemporal bone
fracture of the acetabulum
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