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Scientific Article

Colostral immunity against salmonella infection in calves

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Pages 141-145 | Received 06 May 1968, Published online: 23 Feb 2011
 

Abstract

Extract

A slaughterhouse survey (Nottingham and Urselmann, Citation1961) demonstrated that salmonellae could be recovered from 6.3% of faecal samples of spring born calves slaughtered within a few days of birth. From 1964 to 1967 inclusive, a large sample (7,696) of spring born calves, from a randomly-selected group of dairy properties in a single area, has been examined for excretion of salmonellae prior to leaving the farm. Salmonella organisms were recovered from 4.3%, 1%, 1.7% and 0.3% of faecal samples, respectively, for the above years (Robinson, Citation1966a; R. A. Robinson & W. A. Royal, unpubl. data). A smaller sample (371) of autumn born calves from another district, examined in 1965 and 1966, revealed that 7.4% and 11%, respectively, of animals were excreting salmonellae in the faeces.

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