The present invention relates to new protein compositions, methods for producing said protein compositions, pharmaceutical compositions comprising said protein compositions and methods for treating infections caused by Neospora caninum. In particular, the present invention relates to a protein composition comprising the proteins specified in Table A in an amount of at least about 2 times (fold change) higher than the same protein present in the whole tachyzoite, as calculated by quantitative label-free liquid chromatography-tandem mass spectrometry (LC-MS/MS).
