As nouns the difference between estrus and diestrum
is that estrus is (american spelling) while diestrum is (biology) the interval between two periods of estrus.
estrus
English
Noun
(estruses)
(American spelling)
Anagrams
*
*
*
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diestrum
English
Noun
(biology) The interval between two periods of estrus
Synonyms
*diestrus