|
|||||
|
|
Letters to the editor |
|
| Authors: | John J. Thompson M.R.C.V.S. D.M. Liardet A.N.Z.I.M.L.T. |
| Affiliation: | Tasman Vaccine Laboratory , Upper Hutt |
| Abstract: | Extract Sir,—An usually high incidence of mastitis has been seen in a town supply herd on a farm at Riverhead, Auckland. From the 60 to 80 cows milked at any one time, annual cullings for mastitis have been: 1964—18; 1965—23; 1966—37; 1967—60. |
| Keywords: | |