Literaturrecherche

Literatur Paulsen HM, Köpke U, Oberson A, Rahmann G (2011) Phosphorus management in organic farming. Baltic 21 Series 2011/4:50-55

Literatur Aurich C, Parvizi N, Aurich J (2000) Opioidergic regulation of lh secretion during pregnancy in the mare. In: Abstracts / 14th International Congress on Animal Reproduction Stockholm, 2-6 July 2000 : vol. 2. Stockholm: ICAR, p 213

Literatur Rath D, Krüger C, Johnson LA (2000) Deep intra-uterine insemination techniques in pigs. In: Abstracts / 14th International Congress on Animal Reproduction Stockholm, 2-6 July 2000 : vol. 2. Stockholm: ICAR, p 290