根据美国毒理研究机构提出的持续繁殖实验的方法，观察高本底放射性饮水对小鼠生育力及仔鼠生长发育的影响。
Using continuous reproductive tests, fertility of mice and the development of their offspringswere observed to evaluate the safety of the high background radiation containing drinking water.
根据豫西脂尾羊排卵及胚胎生长发育特点，就如何提高其繁殖率问题提出了具体建议和措施。
According to the character of the ovulation and embryo development in Yuxi Short Thick Dock sheep, several specific proposals and measures for increasing the sheep fertility have been put forward.
详细介绍了波尔山羊的起源、分布、品种特性、生长发育、生产性能、繁殖性能、利用途径、适应性、抗病力及饲养条件等。
The origin, distribution, variety characters, production trait, fertility, utilization, adaptability, disease resistance, and feeding conditions of Boer goat were introduced.
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