| 词汇 | example_english_litter-size |
| 释义 | litter sizecollocation in Englishmeanings of litterand sizeThese words are often used together. Click on the links below to explore the meanings. Or, see other collocations with size. litter noun uk /ˈlɪt.ər/ us /ˈlɪt̬.ɚ/ small pieces of rubbish that have been left lying on the ground in ... See more at litter size noun uk /saɪz/ us /saɪz/ how large or small something or ... See more at size Examples of litter sizeThese 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. Correlated responses in male reproductive traits in mice selected for littersize and body weight. Inbreeding depression and heterosis of littersize in mice. Generally speaking, the smaller the animal, the greater is the littersize and this is probably dictated by the requirements for survival. This means that the polygenicadditive component is essential for a correct description of inheritance of littersize in the pedigree under the study. This indicates that the inheritance of littersize can be analysed within the framework of a mixed major-gene and polygenic model. They also showed, however, that later cycles of inbreeding and crossing made little further improvement to littersize. It has been shown that littersize is genetically variable in outbred strains. A high littersize was detected in the years when the majority of litters were born in winter or spring. More incisively, we can consider the distribution of residuals for records with high values of additive genetic values for littersize. However, the heritability (h#) of littersize was found to be very low. There is, moreover, strong evidence of a negative correlation between the additive genetic values affecting littersize and those affecting residual variance. Variation in littersize as well as any other quantitative trait is under the control of genetic and random\\fixed environmental factors. In this case the littersize at birth would depend on the genotypes of both parents. Table 1 shows the mean littersize in these crosses. Many mammals display a negative correlation between littersize and body mass of the littermates. The correlation coefficient between antibody titre and littersize was calculated assuming a linear model. Regression analyses to study the correlation between antibody titre in uterus and oviduct and fertility (littersize) were also carried out. The laboratory mouse as model for animal breeding : a review of selection for increased body weight and littersize. 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. Want to learn more? Go to the definition of litter Go to the definition of size See other collocations with size |
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