1) calving season
产犊季节
1.
The cows were classified according to milk yield, calving season and endometritis.
应用通讯奶样放射免疫分析法测定奶中孕酮含量，确定了１６４头次奶牛产后卵巢活动恢复的时间，并根据年产奶量、产犊季节和有无子宫内膜炎等进行分类统计。
2.
Using about 13000 first lactation milk yield records of daughters of 47 AI bulls in Beijing, the method for estimation of 305-day milk yield from total milk yield,the effect of calving seasons on milk yield,and the heritability of 305-day milk yield were investigated.
同时分析了影响305 d 奶量的季节效应,根据305 d 奶量在各产犊月份的最小二乘均数和育种值估计及遗传参数估计的特点,建议将12个产犊月份划分为3个产犊季节。
3.
The objective of this study was to investigate the main factors of retention of the afterbirth of diary cow,datas of calving records form Xinjiang Hutubi dairy farm were collected and sorted out,the effects of calving season,parity,sex,and calf birth weight on retention of afterbirth of the diary cow were analyzed by SAS 8.
1统计软件分析了产犊季节、胎次、性别、犊牛初生重等对奶牛胎衣不下的影响。
2) Spawning season
产卵季节
5) counter-season production
反季节生产
1.
Techniques were provided for tea counter-season production in the tea production areas of Jiangnan,which included regulation of ecological conditions(i.
针对江南茶区茶叶反季节生产的技术问题,提出了反季节生产茶园温光水气等生态条件的控制、病虫害控制、土壤活性与肥力培育、以及茶树生长节律调控等方面的技术对策。
6) expert system
长季节生产
1.
Preliminary study on expert system for tomato long season cultivation in greenhouse;
日光温室番茄长季节生产专家系统的研制
补充资料：犊衣
1.牛衣。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条