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Archiv Fur Tierernahrung|August 1, 1986
[Urea utilization in growing lambs. 4. N balances with unprocessed rations]M Ulbrich, M Hoffmann, A BaumeierArchiv Fur Tierernahrung|October 1, 1986
[Urea utilization by growing lambs. 5. N-balance with half synthetic rations]A Baumeier, M Hoffmann, M Ulbrich, et al.Archiv Fur Tierernahrung|June 1, 1986
[Urea utilization in growing lambs. 3. Effect of urea and straw on carcass composition]A Baumeier, C Geissler, M Hoffmann, et al.Archiv Fur Tierernahrung|April 1, 1986
[Urea utilization of growing lambs. 2. Growth experiments]M Hoffmann, M Ulbrich, A Baumeier, et al.Archiv Fur Tierernahrung|December 1, 1980
[Studies of the activity of disaccharides in growing sheep. 2. The influence of the feeding regime on the activity of disaccharidases in lambs up to the age of 4 weeks under various rearing conditions]M Ulbrich, N F Hakim, M HoffmannArchiv Fur Tierernahrung|February 1, 1981
[Pancreatic lipase activity in growing sheep]M Ulbrich, M Hoffmann, N Fahmy Abdel HakimArchiv Fur Tierernahrung|February 1, 1981
[Activity of disaccharidases in growing sheep. 3. Fattening lambs 5 to 18 weeks of age]N Fahmy Abdel Hakim, M Ulbrich, M HoffmannArchiv Fur Tierernahrung|January 1, 1988
[Urea utilization in growing lambs. 6. N balance with 15N urea]M Ulbrich, S Nikitin, C Geissler, et al.Archiv Fur Tierernahrung|September 1, 1980
[Investigations of the activity of disaccharidases in growing sheep. 1. Suckling lambs from birth to an age of 4 weeks]M Ulbrich, N Fahmy, A Hakim, et al.Archiv Fur Tierernahrung|April 1, 1989
[Influence of energy concentration and source on the utilization of feed protein and NPN in lambs. 2. 15N balance and utilization of pure protein and NPN]M Ulbrich, S M Bassuny, C Geissler, et al.Pageof 125