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Result The adding level of V in diet from 110 IU/kg BW to 165 IU/kg BW had a tendence of effect on increasing the mill yield and V in milk, but the effect was lower than the group of adding ruminal protected V.

结果]奶牛日中维生素A的添加量由110 IU/kg BW提高至165 IU/kg BW,有明显减缓泌乳中后期奶牛日产奶量的下降及提高乳中维生素A含量的趋势,但其效果不如添加相同剂量的过瘤胃保护维生素A微胶囊。

Supplementation of lipid can effectively improve digestible energy content of diet. As a result, the quantity of concentrate feeding can be reduced. However, too much lipid consumption may reduce ruminal fiber degradation.

补充油脂能有效提高日的可消化能含量,因此可以减少精料的饲餵量,但是用量过多可能会降低瘤胃中纤维的分解。

Silurus asotus ; Daily total metabolism ; Specific dynamic action ; Activity metabolism ; Ration level

鲇鱼;日总代谢;特殊动力作用;活动代谢;日水平

The resting metabolic rate(VO-2 rest) of Silurus meridionalis was measured under treatment of starvation and of maintain ration level(1.5% wt) during 15 d anaerobic exercise training(5 min chasing) and then following 5 d resting at 25℃.

在25℃饥饿和维持日(1.5%体重)条件下,测定了连续15d无氧运动锻炼及随后5d撤消运动锻炼过程中南方鲇静止代谢率(VO2rest)的变化。

The effects of interspecific competition on the population dynamics of four insect grain Insecp pests (Sitophilus zeamais, Rhizopertha dominica, Tribolium castaneum and Cryptolestes ferrugineus) was studied at 30 ℃, 75% relative humidity. A regression analysis of the population dynamics was conducted.

在30 ℃、75%相对湿度条件下研究种间竞争对玉米象、谷蠹、赤拟谷盗和锈赤扁谷盗4种主要储害虫种群动态的影响,并对种群动态进行回归分析。

By using the experiment equipments designed and manufactured by us, the CO2 gas was charged to suffocate and kill the grain insects(Rhizoptha Dominica Fabricius and Sitophilus Oryzae Linnaeu), to protect the grain.

利用自行设计的试验装置,充入CO2气体使储害虫窒息死亡,以达到杀灭食害虫的目的。

Based on increasing resistance of stored grain insect pest to chemicals and decreasing fumigants, the effects of ethyl formate on eggs, early larvae, late larvae, pupae and adults of Sitophilus oryzae were systematically studied with the sealed jar fumigation method under different conditions.

针对储害虫抗药性日趋严重、食熏蒸剂品种越来越少的现状,采用密闭熏蒸法,系统研究甲酸乙酯在不同条件下对米象Sitophilusoryzae卵、低龄幼虫、高龄幼虫、蛹以及成虫的致死作用。

These findings suggested that the different source starches affected significantly the FSR of splanchnic tissues in weaned female piglets.

可见,日淀粉来源不同,对仔猪内脏组织FSR的影响也不同。

Splenocyte membrane fatty acid composition was affected by dietary PUFA composition.

脾脏单核细胞膜脂肪酸组成和比例能够反映日PUFA的组成和比例。

At twelve-leaf and silking stage stomatic transpiration rates and their diurnal changes of the leaves of "Ludan 40",a flat-type maize hybrid,and "Yedan 6",a compact-type maize hybrid,were measured in several planting densities.

在夏玉米亩产吨的研究中,测定了平展型玉米各单40和紧凑型玉米掖单6号大喇叭口期和吐丝期不同叶位不同密度的蒸腾速率及其日变化。

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The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了,排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意,我建议我们在价格上大家各让一半。

After an hour and no pup, look for continued contractions and arching of the back with no pup as a sign of trouble.

一个小时后,并没有任何的PUP ,寻找继续收缩和拱的背面没有任何的PUP作为一个注册的麻烦。