Authors:
Steinberg, W
Grashorn, MA
Klunter, AM
Schierle, J
Citation: W. Steinberg et al., Comparative pigmentation efficiency of two products containing either apo-ester or tagetes extracts in egg yolks and liquid eggs, ARCH GEFLUG, 64(4), 2000, pp. 180-187
Citation: E. Kolb et al., Significance, utilization and application of B-vitamins in ruminants. 2. Niacin, pantothenic acid, biotin, folic acid and vitamin B-12, PRAKT TIER, 80(3), 1999, pp. 207
Citation: E. Kolb et al., Significance, utilization and application of B-vitamins in ruminants - 1. General aspects, vitamin B-1, B-2 and B-6, PRAKT TIER, 80(1), 1999, pp. 44