Chinese Hog Cycle:in the Perspective of Spectral Analysis
基于谱分析的中国生猪周期波动研究
When gilts or sows enter oestrus in their reproductive cycles (about 21 days long) they are ready to be bred.
小母猪和大母猪的发情期大概是21天，这是她们的生理循环周期。
Discussion and Analysis on Cycles Fluctuation of Hog Industry in China;
关于中国生猪产业的周期波动问题探析
Nutritional and Physiological Effects of Whole-Body Protein Turnover in Neonatal Pigs;
新生期仔猪整体蛋白质周转的营养生理效应研究
It is well established that how sows are fed in one phase of the reproductive cycle will affect productivity during subsequent phases.
众所周知，母猪在繁殖周期的某一阶段的饲喂策略将影响下一个阶段的生产性能。
nutrient requirements of growing swine
生长期猪的养份需要量
lifecycle CO2 emissions
生命周期CO2排放
Effects of Different Protein Sources on Production Performance and the Number of Lymphocytes in Peripheral Blood of Early-weaning Piglet
不同蛋白源对早期断奶仔猪生产性能及外周血液淋巴细胞数量的影响
Serum progesterone of mini-gilts during oestrous cycle and early pregnancy
实验小型猪发情周期和妊娠早期外周血清孕酮含量的变化规律
Pigs of sows infected during gestation may develop clinical signs of HC after weaning.
怀孕期间受感染的母猪生的小猪，在断乳后发生猪瘟临床症状。
The Study on the Cycle Undulation Law of Pork Market in Heilongjiang Province;
黑龙江省猪肉市场周期波动规律的研究
Business cycles are recurring cycles of economic events.
商业周期是经济活动重复发生的周期。
Prostaglandin E Receptors in Porcine Uterus during Estrous Cycle and Early Pregnancy;
前列腺素E受体基因在猪发情周期和早期妊娠子宫中的表达
The contrast of enterprise lifecycle and living beings lifecycle;
企业生命周期与生物生命周期的比较研究
Piglets weaned at four weeks, milk intake is the dominant feature of their growth.
仔猪四周龄断乳，它们的生长主要靠食入的母乳。
cyclic microbial recovery
周期性微生物采油法
the life cycles of plant species
植物种生活周期的长短
It had a sort of life-cycle.
它有一种生活周期。