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- Each value was mean of 18 laying hens. 每数值为18只蛋鸡之平均值。
- The present study was carried out to evaluate the effects of adding NSP enzymes in wheat-based diets on production performance, nutritional availibility and egg quality of laying hens. 本研究的目的是系统评估在小麦基础日粮中添加NSP酶制剂对蛋鸡生产性能、营养物质利用率及鸡蛋品质的影响,为NSP酶制剂在蛋鸡小麦基础日粮中的推广应用提供理论依据。
- Effects of CT2000,T101 on AKP,BGP levels in plasma and BMD in cage laying hen. CT2000、T101对产蛋后期蛋鸡血浆AKP、BGP水平及BMD的影响
- Hatchling sex ratio at this beach possibly depends on the date of egg laying. 雉龟的性别比则可能受到产卵的时间所决定。
- The lack of a good nesting spot can cause some females to withhold egg laying, with dangerous consequences. 因为没有良好的产卵地点的话会使某些雌性拒绝产卵，而这会导致危险的后果。”
- Even a laying hen wouldn't fetch much. As for the vegetables, they wouldn't be marketable for two or three months. 等菜长大了，再卖来买用具，又不晓得要等到什么时候，起码也得两三个月才成。
- Egg laying peaks are found twice a day. One is at dawn and the otherafter the activity peak in the evening. 蚊群当黄昏活动高峰后和黎明时各出现一次产卵高峰。
- The effect of allicin on performance and caecum microorganism and serum biochemical index in laying hens was determined. 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。
- Egg laying peaks were twice a day. One was at dawn and the other after the activity peak in the evening. 每d有两次产卵高峰，分别为黎明和夜晚活动高峰后；
- Methods The laying hens aged 30w were immunized with morphine-bovine serum albumin conjugate, and the IgY induced was detected by indirect ELISA. 方法用吗啡一牛血清蛋白结合物为模型抗原对30周龄产蛋鸡进行免疫诱导，用ELISA间接法测定不同时间的抗体滴度。
- Experiment one Two hundred and twenty five 22-week old Roman laying hens were randomly divided into three treatments, consisting of 5 replicates of 15 birds per each. 试验1采用单因素完全随机设计,225只22周龄罗曼褐壳蛋鸡随机分为3组,每组5重复,每重复15只。
- The 8%, 12%, 16%, and 20% of perilla frutescens were added to laying hens diet. The content of polyunsaturated fatty acid (PUFA) and their ratios in eggs yolk were analysed. 在蛋鸡日粮中分别加入 8%25 ,12%25 ,16%25 ,2 0%25紫苏 ,研究蛋黄多不饱和脂肪酸 (PUFA)含量及其比例变化 ,分析其脂质代谢。
- That is a result calculated by the scientific research department through mutual modification of breeding rate, egg laying rate, hatchability and survival rate surveyed. 这是科研部门用测得的繁殖率、产卵率、孵化率、成活率等因素互为修正得出的结果。
- Six hundred and forty-five healthy Roman laying hens of 375 days of age were randomly divided into five groups,each included three replicates of 43 layers. 选 375日龄健康的罗曼蛋鸡 6 4 5羽 ,随机分为 5组 ,每组设 3个重复 ,每重复 4 3羽。
- The laying hens were fed with diets containing selenium and iron at high level and the changes of metabolic enzyme activities in plasma and liver homogenate were studied. 用高硒高铁日粮饲喂产蛋母鸡,观察血浆及肝匀浆代谢酶活性的变化。
- Laying hens, vegetables, casting processing, cotton spinning five leading food and pharmaceutical industries to enhance the Guantao Formation of a strong core competitiveness. 蛋鸡、蔬菜、铸造加工、棉纺和医药食品五大主导产业有力地提升了馆陶核心竞争力。
- Effect of Monochromatic Light on Egg Quality of Laying Hens 单色光对产蛋鸡蛋品质的影响
- Effect of Monochromatic Light on the Egg Performance of Laying Hens 单色光对蛋鸡产蛋性能的影响
- Nine blood biochemical indices of White Leghorn Line S220 chicks at age of 8 and 12 weeks were tested. The phenotypic and genetic correlations between these indices and egg laying performance as well as heritabilities of these indexes were estimated. 测定了8、12周龄S220母雏9项血液生化指标,估测其遗传力及其与产蛋性能间的表型相关和遗传相关。
- Effect of high copper on performance and egg quality in laying hens 饲粮中不同铜水平对产蛋鸡的生产性能及蛋品质的影响
