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The Clinical Measurement Ontology (CMO), Measurement Methods Ontology (MMO), and Experimental Condition Ontology (XCO) are currently being developed at the Rat Genome Database. For more information about these vocabularies please see Shimoyama et al. Three ontologies to define phenotype measurement data. Front Genet. 2012;3:87. Epub 2012 May 28 or contact us (

Term:calculated litter size measurement
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Accession:CMO:0002380 term browser browse the term
Definition:Any measurement which has been normalized, adjusted or derived by a mathematical process or computation, of the number of offspring in a litter. A litter refers to the products of one gestation produced at one birth by a multiparous mammal.

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  clinical measurement 2369
    reproduction measurement 2
      offspring measurement 1
        number of offspring 0
          litter size 0
            calculated litter size measurement 0
              number of blastocysts/embryos lost postimplantation to litter size ratio 0
              number of fetuses lost perinatally to litter size ratio 0
              number of male offspring to litter size ratio 0
              number of perinatal live-born offspring deaths to litter size ratio 0
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