词汇 | lactation |
释义 | lactation noun[ U ] biology specializeduk /lækˈteɪ.ʃən/ us /lækˈteɪ.ʃən/ the process in which a woman or female animal produces milk: 泌乳 The breasts contain a number of specialized cell types that work together to allow lactation. 乳房含有一些特殊的细胞类型,共同作用产生乳汁。 Eating too little shortens the lactation period.进食太少会缩短泌乳期。 See lactate Lactation is known to help prevent ovulation. The hormone sustains lactation by stimulating cows' appetites so they eat more. You shouldn't cut calories before your baby is 6 weeks old, when lactation is well established. Obstetrics: pregnancy amnio antenatally anti-abortion artificial insemination baby brain baby bump baby weight bun expectant in vitro fertilization lactate maternity maternity leave parental leave post-conception preeclampsia preggers prenatally preterm umbilical cord Examples of lactationlactation The data related to late pregnancy and to lactation were analysed separately. This effect of pregnancy has for long been confused with a presumed effect of lactation. The lactation stage of animals at first test varied between 4 and 40 days, with successive tests at approximately 30 day intervals. The effect of infections at calving on production in the subsequent lactation was not examined. Therefore, dried brewers' grains are not suitable for growing-finishing or lactation diets, but can be used in gestation diets31. On the other hand, pastures and salt may specifically attract females who have to fill specific physiological needs during pregnancy and lactation. Effect on lactation of raw or roasted soybeans in cattle feed heat-treated whole soybeans. Estimating the covariance structure of traits during growth and aging, illustrated with lactation in dairy cattle. Their metabolic demands during their first lactation were being adequately met by dietary intake as is apparent in continued weight gain. In all centres it was shown to be harmless and to have no adverse effect on involution or lactation. Ten first lactation, non-pregnant, animals were chosen and divided into the control and experimental groups of five animals each. During the lactation period sow entities are related to several piglet entities. From the fifth lactation period onwards, exhaustion may begin in the breast tissue. It seems that milk protein synthesis, being a more sophisticated process, needs longer intervals of rest between lactations. One may suppose that these changes are the factors influencing the process of lactation. See all examples of lactation These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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