繁育周期 的英文怎麼說
中文拼音 [fányùzhōuqī]
繁育周期
英文
breeding cycle-
At present, early test in tree breeding is often used in order to shorten breeding term and provide the excellent materials for forest production as soon as possible
目前為了盡快的縮短林木育種周期並為林業生產盡早地提供優良繁殖材料,經常採用的方法就是林木早期測定。The variety is stable when it remains unchanged in terns of its basic features after multiple reproduction propagation or, if the breeder has defined peculiar propagation cycle for the variety bred, and at the end of each cycle the variety had kept a conformity to the description specified for it
品種經重復生殖繁殖后,其各項基本特徵仍保持不變,或育種家如已定義出品種的特定繁殖周期,于各該周期結束時仍與原描述說明相符者,該品種即為具有穩定性。A detailed literature review of physiological effects of light on laying hens was undertaken, with reference on the effects of light intensity, photoperiod and light color on the ontogenetic, survive, feeding, growth, reproduce abilities, in order to provide some information for research work and application in this field in the future
摘要本文綜述了光照對蛋雞生理學特徵影響的研究進展,主要涉及光照周期、光照強度和光色對蛋雞個體生長發育、存活、攝食、生長、繁殖等方面的研究進展,以期為我國進行該領域的研究和指導養殖實踐提供一定的參考。
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