However, reproduction rates of some insects such as aphids are influenced by nutrition . 然而,一些昆虫的繁殖率,如蚜虫等是受营养影响的。
Eight steps to improving herd fertility 提高畜群繁殖率的八个步骤
The venerable master : although the current birth rate is high , how do you know that living beings that are dead doesn ' t outnumber people who are alive 上人:现在人口繁殖率虽高,但你怎知死去的众生不比生存的人多?
Good dams ? the gos is a milky breed and a good dam . in many cases , sows will continue breeding at a greater age than many breeds and hybrids 繁殖率高- - - - - - - - - -格洛斯特郡斑点猪的繁殖性能非常好。无论在什么情况下,母猪比其它的品种和杂交猪种使用年限长。
Intensifying the problem is the slow reproduction rate of the reptiles . on average , female tuatara mate once every four years , and eggs take between 11 and 16 months to hatch 更糟的是,这种动物繁殖率很低。平均来说,雌性每4年才交配一次,而卵需要11 - 16个月时间孵化。
繁殖率,生殖率: reproductive rate单位繁殖率: specific production基本繁殖率: basic reproduction rate净繁殖率: net reproductive rate净繁殖率(绵羊): net reproductive rate净再繁殖率: net reproduction rate人工繁殖率: artificial propagation coefficient; artificial reproduction rate人口繁殖率: reproduction rate of population牲畜繁殖率: animal breeding rate细菌繁殖率: bacterial growth rate相对繁殖率: relative reproductive rate总繁殖率: overall reproductive rate男性再繁殖率: male reproduction rate每世代净繁殖率: net reproductive rate per generation由于繁殖率过高导致的生存竞争的法则: a ratio of increase so high as to lead to a struggle for life繁殖: [生物学] breed; reproduce; propagate; multiply 自我繁殖 self-reproduction; autosynthesis; 牲畜繁殖 breed livestock; 多数植物靠种子繁殖。 most plants reproduce by seeds. 它们每年繁殖两次。 they breed twice yearly. 兔子繁殖迅速。 rabbits propagate [breed] rapidly 生殖率: conceptacle; natality; rate of reproduction; reproduction rate; reproductive rate拓殖率: rate of colonization增殖率: breeding rate; breeding ratio; coefficient of multiplication; grown rate; multiplication rate; rate of multiplication; reproducibility; reproduction rate净生殖率: net reproduction rate净增殖率: net breeding rate有效生殖率: effective fertility增殖率倒数: reciprocal multiplication综合生殖率: joint reproduction rate繁殖了多匹比赛得奖马的雄性种马: the sire of many successful racehorses繁殖苗圃: nursery reproducting; propagating house; propagating nursery
繁殖率的法语:taux de reproductio繁殖率的日语:繁殖率.繁殖率的俄语:pinyin:fánzhílǜ с.-х. коэффициент размножения, способность к воспроизведению; процент приплода繁殖率的阿拉伯语:أداء تكاثري;