Blood gastrin and pepsinogen responses to subclinical infection with Ostertagia ostertagi in adult dairy cattle.

Abstract

Blood gastrin and pepsinogen responses to a single infection with 100,000 Ostertagia ostertagi infective larvae in lactating dairy cows were investigated. None of the infected cows showed signs of clinical ostertagiasis, nor was there any difference in live weight gain, milk yield or faecal egg count between groups. Pepsinogen levels of the infected group… (More)

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