[ 发表于: Journal of Veterinary Research ]
高级检索
细化搜索
结果 1-2 的 2
Host range, survival in dead hosts, cryopreservation, periodicity and morphology of Plasmodium durae Herman in experimental infections
1996
Huchzermeyer, F.W. (Agricultural Research Council, Onderstepoort (South Africa). Onderstepoort Veterinary Inst.)
National Department of Agriculture, Agricultural Information Centre - South Africa
Changes in the incidences of the different serovars of Haemophilus paragallinarum in South Africa: a possible explanation for vaccination failures
1996
Bragg, R.R. | Coetzee, L. (Pretoria Univ., Onderstepoort (South Africa). Dept. of Poultry Diseases) | Verschoor, J.A.
National Department of Agriculture, Agricultural Information Centre - South Africa