蛋黃上的胚 的英文怎麼說
中文拼音 [dànhuángshàngdepēi]
蛋黃上的胚
英文
hatch spot-
Gonadal development and fecundity are affected by certain essential dietary nutrients, especially essential amino acids, essential fatty acids, and vitamins etc. thus, during the last two decades, more attention has been paid to the optimal level of different nutrients in broodstock diets. it is well known that protein is a kind of indispensable nutrient because of its important physiological function on body structure and supplying energy to the growth and development of shrimp and crab. protein and amino acids of broodstock diet have been identified as major dietary factors that determine successful reproduction and survival of offspring
而這些問題的解決則要求對中華絨螯蟹生殖過程中的攝食和消化生理機制，親體性成熟期對各種必需營養素（如必需氨基酸、必需脂肪酸和維生素等）的需求，卵細胞發生過程中營養物質的合成、轉運及貯存規律，以及在受精卵、胚胎和后續以內源性營養為主的?狀幼體發育階段對卵黃磷蛋白的消耗和利用模式等環節進行較為深入的研究，在全面系統地了解中華絨螯蟹的生殖營養生理的基礎上，探討親體生殖營養對卵質、孵化及后續幼體生長發育的影響。
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