mass breeding 中文意思是什麼
mass breeding
解釋
大量繁殖；大批飼養。-
Rlean meat percentage is one of the most important economic traints in pig breeding programs. myostatin is a negative regulator of skeletal muscle growth. null or low activity of myostatin, individual muscle of mutant amimals would show a large and widespread increase in skeletal mass. myostatin null animals have significantly larger diameter or more quantity of fiber skeletal muscle. the phenotype was termed double muscling. in order to probe the relation between myostatin and high lean meat rate and plump - hipped trait, we sythesized the c ' 80 amino acids coding sequence of porcine myostatin and costructed the cloning and expressing vector of it
肌生成抑制素（ myostatin ，即mstn ）是近幾年來（ mcpherrona . c等， 1997 ）發現的骨骼肌生長的負調控因子，它主要在骨骼肌中表達。其活性的喪失，會引起動物肌肉的過度發育，肌纖維直徑變大或肌纖維數增加，表現為雙肌癥狀。肌生成抑制素研究的突破將對豬、肉雞、肉牛等畜禽生產性能的提高具有特別重要的意義。 -
A standing director of the national treasure gem council, zhejiang shanxiahu pearl group co., ltd has been long dedicated to the mass breeding and refined processing of freshwater pearls
浙江山下湖珍珠集團股份有限公司長期致力於淡水珍珠的規模化養殖和深加工，在中國珍珠產業佔有重要的地位。 -
Norman told the age newspaper on thursday the reason for the mass swarming was unknown, but it was likely related to breeding
諾曼表示，目前人們對這些蜘蛛蟹怪異行為的原因還不得而知，但是這可能和它們繁殖期的到來有關系。
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