由于动物以不同的速度生长着，这儿的有些牛身上还有清晰可辨的肋骨架，“他们还要再养一段时间。”他说。
As the animals develop at different rates, some of the cows here still have well-defined rib cages, "They've got a bit further to go. " he says.
研究人员把这个与上一年的暖春联系起来：植物更早的生长，为牛提供了更多的营养，它们就能更早怀孕。
Which the researchers correlated to warmer springs the previous year: plants grow earlier, the cattle have more access to nutrition and they conceive earlier.
数据表明昆虫的生长速度更快，在获得相同单位体重的情况下，它们相比猪和牛，产生的二氧化碳更少。
The data indicated that insects grow more rapidly, and they emit less carbon dioxide per unit of weight gained than do cattle and pigs.
嗯，有人想起重组牛生长激素吗？
他们将获得的数据同牛和猪在生长率及在排放等量污染物情况下生长率方面的数据做了比较。
They compared these to data already available on the cattle and pigs' growth rate and the rates at which they emitted the same pollutants.
因为动物们以不同的速度生长着，所以在有些牛身上还能看到清晰可辨的肋骨架：“他们还要再养一段时间。”他说。
As the animals develop at different rates, some of the cows here still have well-defined rib cages: "They've got a bit further to go, have those," he says.
牛的初乳富含抗体和生长因素——这类物质能使牛犊生命初期健康成长。
Bovine colostrum is loaded with antibodies and growth factors - the kinds of things that give calves a healthy start in life.
如今，据布拉克的报告，国内饲养场45%以上的牛和40%的猪在堪萨斯城350英里内生长。
Nowadays, according to the Brakke report, more than 45% of the country's feedlot-raised cattle and 40% of its hogs are to be found within 350 miles of Kansas City.
结论用明胶包被培养皿，在培养液中加入肝素、内皮细胞生长因子及高浓度的胎牛血清可获得较纯的内皮细胞。
Conclusion the suitable condition for endothelial cell were use of gelatin coat culture dishes, and adding of heparin, endothelial growth factor and highly fetal serum into culture media.
用高速离心、分段盐析、亲和层析、超滤和阴离子交换层析法，从牛胎盘中分离纯化出一种肝细胞生长因子。
A kind of hepatocyte growth factor was purified from cow placenta through high speed centrifugation, salting out, affinity chromatography, ultrafiltration and anion exchange chromatography.
研究表明二氢吡啶可以促进猪、鸡、牛、鱼的生长，提高畜禽免疫机能和改善畜产品品质等。
Diludine could improve the growth of pig, chick, cow and fish, enhance immunity of livestock and improve carcass quality of livestock.
胰岛素样生长因子结合蛋白- 2，牛，重组。
Insulin Like Growth Factor Binding Protein-2, Bovine, recombinant.
抑止(例如，牛)角的生长，如通过灼烧。
To prevent growth in the horns of (cattle, for example), as by cauterization.
血管内皮生长因子，牛，重组。
夏洛莱牛以体型大，生长速度快，瘦肉多，饲料转化率高而文明世界。
Charolais cattle to large size, growth speed, lean meat, and high feed conversion rate of the civilized world.
目的观察表皮生长因子(EGF)和牛垂体提取物(BPE)在人垂体腺瘤细胞培养中的作用。
AIM to observe the effects of epidermal growth factor (EGF) and bovine pituitary extract (BPE) on human pituitary adenoma cells cultured in serum free medium.
免疫活性肽(ICP)和表皮生长因子(EGF)是两种生物活性因子，ICP对牛卵母细胞体外成熟及胚胎体外培养的影响还未见报道。
Immunocompentent peptide (ICP) and epidermal growth factor (EGF) are two bio - active factors, the effect of ICP on in vitro maturation of bovine oocytes and development of embryos not being reported.
他们之所以选用牛的轮状病毒，是因为该病毒株在培养皿中生长良好，而且他们认为牛的病毒对人的毒性不强。
They chose a bovine rotavirus because it grew well in culture and was thought to be naturally attenuated in humans.
目的研究室内菲牛蛭生长动态和生殖，为人工饲养菲牛蛭提供基础资料。
Object To study the dynamic growth and reproduction of Hirudinaria manillensis Lesson in laboratory with providing the data of artificially breeding leech in the field.
法国早已选定的尺寸和他们的牛肌肉生长。
The French have long selected their cattle for size and muscling.
在美国、挪威、德国、比利牛斯山和阿尔卑斯山的森林中，伐木工人砍伐的主要是自然生长的树木。
In the forests of America, Norway, Germany, the Pyrenees and Alps, this sort of Labour is largely employed on trees of spontaneous growth.
牛会把草根啃掉，这样就会毁坏饲料作物，而且它们的体重也会压碎土壤，这可能造成土地硬化，植被无法生长。
Cattle can damage forage crops by eating down to the roots. Also, their weight crushes the soil. That can make the ground too hard for growing.
目的研究苯磷硫胺对体外高糖环境中培养的牛视网膜毛细血管内皮细胞的生长及细胞凋亡的影响。
The purpose of this paper was to study the effect of benfotiamine on proliferation and apoptosis of bovine retinal capillary endothelial cells cultured in high concentration of glucose.
血管内皮生长因子，重组，牛(VEGF)。
Vascular Endothelial Growth Factor, Recombinant, Bovine (VEGF).
与中国一样，美国今天仍然是世界上少数几个允许向奶牛注射牛生长激素的国家之一。
Along with China, the U. s. is today one of the few countries in the world that still allows bovine growth hormones to be injected into dairy cows.
方法：筛选出促进解脲支原体生长的促生长因子，替代新生牛血清。
Methods: We select a growing factor to take the place of calf serum and effectiveness antibiotics to abridge further detection in solid culturemadium.
采用PCR-SSCP技术分析了牛类胰岛素生长因子结合蛋白3（IGFBP3）基因在南阳牛、鲁西牛和中国西门塔尔牛3个牛品种中的遗传多态性。
The polymorphism of the insulin-like growth factor binding protein 3 (IGFBP3) gene in Nanyang cattle, Luxi cattle and Chinese Simmental was analyzed by PCR-SSCP.
根据生长发育和后裔性能测定选择18月龄后备种牛是渤海黑牛选择的重点。
It was important to select replacement bulls of 18-month-old based on their growth and development and progeny testing in bo-hai Black Cattle.
根据生长发育和后裔性能测定选择18月龄后备种牛是渤海黑牛选择的重点。
It was important to select replacement bulls of 18-month-old based on their growth and development and progeny testing in bo-hai Black Cattle.
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