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E. S. Tawfik

Technical University of Berlin

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Publication

Featured researches published by E. S. Tawfik.

Livestock Production Science | 1976

The effect of high environmental temperatures on fattening performance and growth of boars

G. Straub; J.H. Weniger; E. S. Tawfik; D. Steinhauf

Abstract Fifty-eight boars of the “German Landrace” breed were fattened between 70 and 110 kg in individual housing at ambient temperatures of 15°C or 35°C with 60% relative humidity in both cases. The animals under warm conditions showed increased growth of the skeleton and reduced growth of the heart, liver, kidneys, spleen and stomach. The feed intake was strongly restricted by the high temperature, while water consumption showed an extremely high variance. Correspondingly the daily gains were strongly depressed, although the feed conversion ratios of the warm- and cold-housed animals were not significantly different. The fat thickness of the warm-housed animals was significantly lower.

Journal of Animal Breeding and Genetics | 2010

Enzymaktivitäten und genetische Polymorphismen bei der Maus als Modelltier unter dem Einfluß der Selektion auf Belastbarkeit und Proteinansatz1

F. Major; E. S. Tawfik

Journal of Animal Breeding and Genetics | 1974

Modellversuche zur Selektion auf Belastbarkeit in ihrer Beziehung zum Wachstum

J. H. Weniger; P. Horst; D. Steinhauf; F. Major; M. Wolf; E. S. Tawfik

Journal of Animal Breeding and Genetics | 2010

Preliminary selection results for the combination of total protein deposition and endurance in mice1

P. Horst; D. Steinhauf; J.H. Weniger; E. S. Tawfik; F. Major

Journal of Animal Breeding and Genetics | 2010

Modellversuche zur Selektion auf Belastbarkeit in ihrer Beziehung zum Wachstum: II. Mitteilung: Selektionsergebnisse bis zur 10. Selektionsgeneration

P. Horst; F. Major; E. S. Tawfik; M. Wolf; J.H. Weniger; D. Steinhauf

Journal of Animal Breeding and Genetics | 1980

Vergleichende Untersuchungen an taurinen und zebuinen Rindern und deren Kreuzungen bei Weide- bzw. Stallhaltung am tropischen Standort Bangladesh

P. Winter; J. H. Weniger; J. E. Huhn; E. S. Tawfik

Journal of Animal Breeding and Genetics | 2010

Effect of stress on the quantitative levels of certain enzymes in mice

T. K. Mukherjee; F. Major; E. S. Tawfik; P. Horst

Journal of Animal Breeding and Genetics | 1980

Comparison of taurine and zebu cattle and their cross breeds at pasture and in housing in Bangladesh. II. Influence of climate on use of shower and water intake at pasture.

P. Winter; J. H. Weniger; J. E. Huhn; E. S. Tawfik

Journal of Animal Breeding and Genetics | 2010

Untersuchungen zur quantitativen Verhaltenserfassung beim Hausschwein1

H.J. Schwartz; D. Steinhauf; J.H. Weniger; E. S. Tawfik

Journal of Animal Breeding and Genetics | 2010

Vergleichende Untersuchungen an taurinen und zebuinen Rindern und ihren Kreuzungen bei Weide- bzw. Stallhaltung am tropischen Standort Bangladesh: III. Der Einfluß des Klimas auf Verhaltensparameter sowie die Futter- und Wasseraufnahme bei Stallhaltung

P. Winter; J. H. Weniger; E. S. Tawfik

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D. Steinhauf

Technical University of Berlin

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F. Major

Technical University of Berlin

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P. Horst

Technical University of Berlin

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J. H. Weniger

Technical University of Berlin

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J.H. Weniger

Technical University of Berlin

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P. Winter

Technical University of Berlin

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J. E. Huhn

Technical University of Berlin

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M. Wolf

Technical University of Berlin

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G. Straub

Technical University of Berlin

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H.J. Schwartz

Technical University of Berlin

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