其生产性能发生了质的改变。
植物构筑特征可以反映植物的生产性能。
同时考查了高碘蛋生产阶段鹑的生产性能。
本文研宄了动物肠道菌群与生产性能的关系。
The paper studied the relationship of intestinal microbial flora to animal performance.
研究了喹烯酮预混剂对肉鸡生产性能的影响。
Studied the effect of quinocetone premix on the growth performance of the broiler chicken.
血液蛋白多态性与生产性能之间存在相关关系。
The interrelationship existed between blood protein polymorphism and production trait.
同时考查了高碘蛋生产阶段乌骨鸡的生产性能。
试验比较了不同氨基酸模式对肉鸭生产性能的影响。
Effects of different amino acid patterns on meat ducks performance were compared in the experiment.
在过去的5年里，父母代种母鸡的生产性能稳步提高。
The performance of the parent female has improved steadily over the last 5 years.
试验研究了国内外10个紫花苜蓿品种的主要生产性能。
The production performance of 10 alfalfa varieties selected from home and abroad was examined through experiments.
这表明，开放式群体选育能提高大约克夏猪的生产性能。
This indicates that the productive performance of Large-Yorkshire can be increased by opened herd breeding.
试验研究了2种中草药提取物对草杂鸡生产性能的影响。
The experiment studied the effect of 2 kinds of Chinese herb extracts on chickens' performance.
试验表明添加国产酶组的生产性能要好于添加进口酶组的。
Test indicate add native enzyme preparation performance of group is better than foreign commercial enzyme preparation group.
直链淀粉和支链淀粉的比值大小显著影响断奶仔猪的生产性能。
The proportion of amylose and amylopectin influenced the production performance of weaning pigs significantly.
断奶日龄与断奶后仔猪生长发育和母猪生产性能发挥密切相关。
The weaning ages are closely related to the growth of piglets and performance of sows.
结果表明：饲粮中适量添加赖氨酸和蛋氨酸均可改善其生产性能。
The results showed that optimal addition of dietary Lys and Met could improve the performance of pheasants.
本文研究了硒酵母和活酵母对母猪繁殖性能及仔猪生产性能的影响。
This Research studied the effect of active dry yeast and Se-enriched yeast on sows performance and immune response.
研究了不同水平的谷氨酰胺对断奶仔猪生产性能、免疫功能的影响。
This study investigated the effects of glutamine on the growth performance and Immunity in early-weanling piglets.
测定各组生产性能、屠宰性能、血液生理生化指标和免疫器官指数。
The growth performance, slaughter percentage, and blood physiological and biochemical index of all groups were measured and compared.
本试验研究了低聚木糖及其与酸化剂合用对断奶仔猪生产性能的影响。
An experiment was designed to study the effects of xylo-oligosaccharides (XOS) and acidulant on growth performance in early-weaned piglets.
对斜面式和垂直式塑料暖棚羊舍内环境与羊生产性能进行了对比分析。
The article has compared and analyzed environment and performance of sheep in plastic ceiling sheep house of sloping form and vertical form.
在不同带型组合所对应的个体早期生产性能平均数的比较中，差异显著。
The result is significant on post hoc multiple comparisons of early production performance of different band type combination.
研究不同水平大蒜素对蛋鸡生产性能、盲肠微生物和血清生化指标的影响。
The effect of allicin on performance and caecum microorganism and serum biochemical index in laying hens was determined.
本研究分两个试验探讨了日粮添加植酸酶对蛋鸭生产性能和蛋品质的影响。
Two experiments were arranged to study the effects of microbial phytase supplementation in laying ducks on performance and egg quality.
探讨了酒精发酵饲料对延边黄牛体尺、体重、血液组成及生产性能的影响。
We discussed the effect of alcohol-fermented feedstuff to the body ruler, body height, and blood constitutes of Yanbian cattle.
合理选择这些因素是提高刨花板密度均匀性、生产性能稳定制品的有效途径。
Controlling these factors is an effective way to produce flakeboard with high quality and durability.
本实验研究同剂量低聚木糖和抗生素复合作用对肉鸡生产性能和经济效益影响。
Experimental study of the same dose of antibiotics and Xylooligosaccharides composite role of broiler production performance and economic impact.
本文介绍了影响干草制备的因素及化学干燥剂对干草制备和奶牛生产性能的影响。
The factors affecting the hay production and the influences of chemical desiccant on the production of hay and the performance of dairy cattle were introduced.
研究了喹啉类添加剂和不同浓度梯度喹羟酮对肉鸡生产性能和蛋白质代谢的影响。
Effects of quinoxaline-type feed additives olaquindox, kuiqiangtong and kuixitong on performances and protein metabolism in broilers were studied.
研究了喹啉类添加剂和不同浓度梯度喹羟酮对肉鸡生产性能和蛋白质代谢的影响。
Effects of quinoxaline-type feed additives olaquindox, kuiqiangtong and kuixitong on performances and protein metabolism in broilers were studied.
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