Literaturrecherche

Literatur Irps H (1987) The influence of the floor on the behaviour and lameness of beef bulls. Current Topics Vet Med Anim Sci 40:73-86

Literatur Küntzel U, Krause R, Jonuscheit C (1987) Scorching of Lolium perenne caused by cattle slurry Animal manure on grassland and fodder crops : Fertilizer or waste? Dev Plant Soil Sci 30:333-335