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 Koch E (1986) Early pregnancy factor : its significance as an indicator of fertilization and embryonic viability. Current Topics Vet Med Anim Sci 34:74-92

Literatur Niemann H, Elsaesser F (1986) Accumulation of sex steroids in preimplantation pig blastocysts and their importance for an undisturbed early embryonic development. Current Topics Vet Med Anim Sci 34:109-118

Literatur Ellendorff F, Elsaesser F, Parvizi N, Smidt D (1985) Endocrine interactions during lactational anestrus in pigs. Current Topics Vet Med Anim Sci 31:

Literatur Wegner R-M (1983) Production performance in laying hens kept under different housing conditions. Current Topics Vet Med Anim Sci 23:189-197