Proc. Soc. Nutr. Physiol. (2006) 15

Contents Page Review lecture Negative consequences of immune response: What can be done by nutrionists? K. C. Klasing – University of California, Davis, USA

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Aminoacids and nitrogen 1. Effects of including thermally treated lupines in TMR on microbial

protein synthesis and fermentation studied in vitro J. Boguhn, C. Müller and M. Rodehutscord - Halle (Saale)

24

2. In vitro crude protein degradation of forage legumes and maize M. Gierus, Antje Herrmann and F. Taube – Kiel

25

3. Effect of a dried and ensiled tanniniferous forage legume (sainfoin) on the nitrogen metabolism of lambs Anna Scharenberg, A. Gutzwiller, Y. Arrigo, U. Wyss, H. D. Hess, M. Kreuzer and Frigga Dohme – Posieux/Zürich

26

4. Effects of perennial ryegrass cultivars on N utilisation in grazing dairy cows B. M. Tas, H. Z. Taweel, H. J. Smit, Anjo Elgersma, J. Dijkstra and S. Tamminga – Kiel/Wageningen

27

5. Lysine requirement for maintenance in growing pigs Judith Ringel and A. Susenbeth – Kiel

28

6. Dietary lysine: threonine ratio for growing-finishing pigs depending on body weight C. Wecke and F. Liebert – Göttingen

29

7. Systemic appearance of intestinal microbial threonine appears to be reduced in growing pigs fed a lysine deficient diet M. Eberhard, K. J. Petzke, P. Junghans, G. Loh, U. Hennig, Ulrike Schönhusen, W. B. Souffrant and Cornelia C. Metges – Dummerstorf/Nuthetal

30

8. Effect of including free amino acids in the basal diet on precaecal amino acid digestibility of test proteins determined by regression analysis in broilers C. Ganzer, H. Kluth and M. Rodehutscord – Halle (Saale)

31

9. Impact of arginine, valine and isoleucine on growth and slaughter performance of broilers Daniela Mann, Christine Iben, Elisabeth Wagner, J. Bartelt, F. Hutterer and R. Leitgeb – Wien/Cuxhaven

32

10. Influence of dietary non-essential amino acid profile on growth performance and amino acid metabolism of Nile tilapia, Oreochromis niloticus Julia Gaye-Siessegger, U. Focken, Hj. Abel and K. Becker – Stuttgart-Hohenheim/Göttingen

33

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11. Estimating the inevitable nitrogen losses in excrements of adult amazons for calculating the protein requirement for maintenance Claudia Westfahl, Petra Wolf and J. Kamphues – Hannover

34

12. Urinary and faecal N excretion by growing Saanen goat kids fed on milk or a solid diet Saskia Plos and E. Pfeffer – Bonn

35

13. Yield performance and forage quality of several forage legumes subjected to different management systems Jana Kleen, M. Gierus and F. Taube – Kiel

36

14. 16S rRNA-based analysis of the ruminal microbial community in vitro and its response to total mixed rations J. Boguhn, E. Strobel, C. C. Tebbe and M. Rodehutscord − Halle (Saale)/Braunschweig

37

15. Nitrogen maintenance requirement and potential for nitrogen deposition of intensive growing chicken depending on age and sex Samadi and F. Liebert – Göttingen

38

16. Influence of increased methionine levels in diets on early intestine development and resorption rate of nutrients from the yolk sac residues in chickens Dorota Jamroz, T. Wertelecki, A. Lemme and Agnieszka Gajda-Janiak – Wrocław/Hanau

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17. Dynamic of amino acids (AA) disappearance from yolk sac, performance and digestibility of AA in ducks fed diets with increased methionine level Dorota Jamroz, A. Wiliczkiewicz, T. Wertelecki, A. Lemme, J. Orda and Jolanta Skorupińska – Wrocław/Hanau

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18. D-Alanine as a marker of bacterial nitrogen in small intestine of pigs Ulrike Schönhusen, J. Voigt, U. Hennig, S. Kuhla, M. Kwella, J. Klüss and W.-B. Souffrant – Dummerstorf

41

19. Threonine requirement of growing pigs in the finisher stage Chr. Plitzner, W. Windisch – Wien

42

20. Relative effectiveness of liquid MHA-FA compared with DL-methionine in pigs U. Hennig, Meike Rademacher, A. Tuchscherer – Dummerstorf/Hanau

43

21. Dietary preferences for different methionine sources by the piglet T. Ettle, Meike Rademacher and F.X. Roth – Freising- Weihenstephan/Hanau

44

Additives 22. Investigation on the possible tryptophane-sparing effect of dietary

supplementation of Sangrovit in growing pigs R. Blank, Birga Müller-Siegwardt and S. Wolffram – Kiel

45

23. Comparison of the effect of two different non starch polysaccharide degrading feed enzymes on the intestinal microbiota in piglets W. Vahjen, Tanja Osswald, K. Männer and O. Simon – Berlin

46

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24. Effect of an essential oil blend (oregano, anis, citrus peels) or Avilamycin on growth performance, microbiological and histological parameter, and mRNA expression of inflammatory and apototic genes in the gut of weaned piglets A. Kroismayr, Julia Sehm, C. Plitzner, W. Windisch – Wien/Freising-Weihenstephan

47

25. Effect of L-carnitine supplementation of sows on L-carnitin status, suckling behaviour and body weight gains of piglets during the suckling period Carmen Birkenfeld, H. Kluge and K. Eder – Halle (Saale)

48

26. Effects of oral application of antibodies in weaned piglets experimentally infected with a F4 (K88) positive E. coli strain, preliminary results Anne Mößeler, M. Hagemann, M. Riehl, M. Giersberg, D. Falkenburg, Jutta Verspohl and J. Kamphues – Hannover/Gatersleben

49

27. Impact of a phytogenic feed additive (PFA) on activity of digestive enzymes and praecaecal amino acid digestibility in piglets Annabell Muhl and F. Liebert – Göttingen

50

28. Effect of nonstarch polysaccharides (NSP) hydrolysing enzyme supplementation of a total mixed ratio (TMR) on performance of lactating dairy cows Anja Böning and U. Meyer – Braunschweig

51

29. Effects of phytase supplementation in low-protein-low-mineral broiler diets on growth performance and retention of nutrients and minerals Brigitte R. Paulicks, V. A. Aletor and Dora A. Roth-Maier – Freising-Weihenstephan

52

30. Compatibility of Semduramicin and Tiamulin in broiler chicks Annette Schuhmacher, K.W. Bafundo, K.M.S. Islam, R. Glaser, Heike Aupperle, H.-A. Schoon and J. M. Gropp – Leipzig/Ridgefield Park, New Jersey, USA/Dhaka, Bangladesh

53

31. Effects of a combined fish oil and glucosamine / chondroitin sulphate supplementation on bone and cartilage metabolism in exercising young dogs Ingrid Vervuert, Michaela Kessing, Elisabeth Peus, S. Gärtner, E. Thonar, D. Cudderford and M. Coenen – Hannover/Chicago/ Edinburgh/Leipzig

54

32. Effect of vitamin E and polyphenols on ochratoxin A induced cytotoxicity in liver and kidney cells Christine Bösch-Saadatmandi, C. Hundhausen, R. Blank, S. Wolffram, G. Rimbach – Kiel

55

33. Effect of benzoic acid and different protein levels in the diet on nitrogen metabolism and urinary pH in growing/finishing pigs Kathrin Bühler, S. Gebert and C. Wenk – Zürich

56

34. Field Trial to measure the effect of Enterococcus faecium DSM 7134 on the performance of sows for two reproduction cycles A. Blömer, E. Schneeberger and E. Mathies – Neuenkirchen-Vörden/Pinneberg

57

35. Effect of L-carnitine supplementation on the pregnancy rate of sows H. Kluge, Carmen Birkenfeld, A. Ramanau, J. Spilke and K. Eder – Halle (Saale)

58

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36. Field study on effects of coarsely ground diets and/or organic acids as feed additive on Salmonella prevalence in fattening pigs before and at slaughtering C. Visscher, Petra Winter, Jutta Verspohl, Janin Stratmann, Theda v. Müffling and J. Kamphues – Hannover

59

37. Tissue recovery of essential oils used as feed additive in piglet feeding and impact of nutrient digestibility Anita Stoni, Karin Zitterl-Egelseer, A. Kroismayr, W. Wetscherek, W. Windisch – Wien

60

38. Effects of the phytogenic feed additive FRESTA® F in nursery pigs Karola R. Wendler, B.Z. de Rodas, B. Miller, R. Walker, D. Nelson and J. Marin-Guzman - Steyregg/Webster City

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39. Do C-reactive protein and haptoglobin respond to a phytogenic feed additive (PFA) in piglet diets? Annabell Muhl and F. Liebert – Göttingen

62

40. Impact of potassium diformate on gut flora of weaned piglets Petra Hellweg, D. Taras, K. Männer, W. Vahjen, J. Zentek – Berlin

63

41. Effect of rare earth elements (REE) on the performance and thyroid hormone status of rearing piglets Doris Förster, A. Berk, H.-O. Hoppen, W.A. Rambeck – Braunschweig/ Hannover/München

64

42. Effect of dietary rare earth elements on growth performance of rats M.L.He, U.Wehr, Z.R. Xu and W.A. Rambeck – München/Hangzhou

65

43. Effect of rare earth elements on proliferation and fatty acids accumulation of 3T3-L1 cells M. L. He, W. Z. Yang, H. Hidari and W. A. Rambeck – München/ Lethbridge/Obihiro

66

44. Effect of dietary rare earth elements on growth performance of preruminant female Holstein calves U. Meyer, M. Spolders, W. A. Rambeck and G. Flachowsky – Braunschweig/München

67

45. Interactions in effects of extracted antinutrients on rumen fermentation in vitro M. R. Amin, Natascha Selje, Ellen M. Hoffmann and K. Becker – Stuttgart-Hohenheim

68

46. Effect of nonstarch polysaccharides (NSP) hydrolysing enzyme supplementation on nutrient digestion in the rumen of dairy cows Anja Böning, P. Lebzien, Ulrike Borchert, U. Meyer and G. Flachowsky – Braunschweig

69

47. Effect of different concentrations of NSP-hydrolysing enzymes on in sacco DM degradation of silages J. J. Dijkstra, U. Meyer and P. Lebzien - Braunschweig

70

48. Influence of a staggered savoury content in broiler diets with an age-staggered initiation of feeding Ingrid Halle, R. Thomann, U. Bauermann – Braunschweig/Bergholz-Rehbrücke

71

49. Graded levels of KOFAGRAIN-pH5- influence zootechnical and microbial parameters in caecal contents of growing chicken Angela Sünder and F. Liebert – Göttingen

72

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50. Effects of graded supply of KOFAGRAIN-pH5- on energy balance and N-utilization in growing chicken Angela Sünder and F. Liebert – Göttingen

73

51. Fate of Mannan Oligosaccharide in the Gastrointestinal Tract of Chickens H. Özpinar and K. C. Klasing – Davis, California

74

52. Effect of calcium level and microbial phytase on eggshell quality of laying hens fed corn soybean meal diets S. Al-kouri and F. Liebert – Göttingen

75

53. Enterococcus faecium as a feed additive for broiler chickens - its effects on the intestinal flora and its activity when Monensin is included in the diet as anticoccidial agent Meike Hinrichs, Jutta Verspohl and J. Kamphues – Hannover

76

54. Probiotic Escherichia coli strain Nissle 1917 in adult horses: Evidence of viable bacteria in the faeces Nina Verena Albers, K. D. Markuske, R. von Bünau, Monika Krüger and Annette Zeyner – Leipzig/Herdecke

77

55. The effect of coated butyric acid supplementation on digestibility, intestinal flora and faecal characteristics in healthy dogs Myriam Hesta, S. Arnouts, G. P. J. Janssens – Merelbeke/ Dendermonde

78

56. Effects of Enterococcus faecium DSM 7134 on cellular and humoral immune parameters and the gut flora of adult dogs Susanne Mück, Petra Hellweg and J. Zentek – Wien/Berlin

79

57. Effects of a combined fish oil and glucosamine / chondroitin sulphate supplementation on inflammatory responses in exercising young dogs M. Coenen, Ingrid Vervuert, Elisabeth Peus, Michaela Kessing, Silke Gärtner, W. Schrödl, D. Cudderford– Hannover/Leipzig/Edinburgh

80

58. Effect of various C18 polyunsaturated fatty acids on differentiation and cellular fatty acids accumulation in 3T3-L1 adipocytes M. L. He, W. Z. Yang, H. Kuwayama, H. Hidari and W. A. Rambeck – München/Lethbridge/Obihiro

81

59. Adverse effects of dietary iodine fortification on lipid quality in a model study with growing rats Gabriela Wetscherek-Seipelt, M. Schreiner, W. Windisch – Vienna

82

Vitamins

60. Comparative analysis of carotenoid and vitamin A pattern in plasma

of great apes and humans J. Raila, Ada L. Garcia, Corinna Koebnick, K. Eulenberger and F. J. Schweigert – Potsdam/Leipzig

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61. The effect of additional vitamin C on antioxidative capacity and immune parameters in healthy dogs supplemented with vitamin E Myriam Hesta, Carla Ottermans, Stephanie Krammer, J. Zentek, Petra Hellweg, J. Buyse and G.P.J. Janssens – Merelbeke/Basel/Vienna/ Leuven

84

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62. Double blind placebo controlled study on the effects of vitamin E or selenium on muscle problems in sport horses as a model for placebo effects A. Freismuth, A. Reusch and Ellen Kienzle – München/Dettenhausen

85

63. Pre-, pro-, and synbiotics: their influence on the intestinal availability and the microbial vitamin synthesis of several B-vitamins in pigs Gertraud R. Branner and Dora A. Roth-Maier – Freising-Weihenstephan

86

Animal feed

64. Effect of prefeeding treatment of tagasaste (Chamaecytisus

palmensis) on tannin content and feed preference and intake by sheep and calves Getnet Assefa, Claudia Kijora and K. J. Peters – Berlin

87

65. Study on the complimentarity of cactus pear (Opuntia ficus-indica) and urea-treated straw in ruminant feeding systems Firew Tegegne, Claudia Kijora and K.J. Peters – Berlin

88

66. Metabolic characteristics in layer quails fed with Bt-transgenic maize Nicole Scholtz, Susanne Knura, Ulrike Steiner, H.-W. Dehne, Ingrid Halle, G. Flachowsky and Helga Sauerwein – Bonn/Braunschweig

89

67. Effect of drying method on calculated faecal recovery of n-alkanes from grass silage in cattle L. Peters, J. Boguhn, C. Elwert and M. Rodehutscord − Halle (Saale)

90

68. Effects of vegetation stage and nitrogen fertilization on osmolality of whole crop triticale Sandra Hoedtke, K. Friedel, M. Gabel, R. Bodarski, S. Krzywiecki and Amelia Pasternak – Rostock/Wrocław

91

69. Factors potentially affecting proteolysis under in-vitro conditions using the „Rostocker Fermentationstest“ – first results Anja Bickel, K. Friedel and M. Gabel – Rostock

92

70. Investigations on ensilability of pea and field bean seeds Annett Gefrom and Edda M. Ott – Rostock

93

71. Faba beans (Vicia faba L.) with different tannin contents as feed components for slow growing broilers in organic farming B. Lenz, M. Henrich, Martina Gerken and Hj. Abel - Göttingen

94

72. Fermentation parameters and maintenance of rumen protozoa under different feeding regimes in a continuous fermenter system Natascha Selje, Ellen M. Hoffmann and K. Becker – Stuttgart-Hohenheim

95

73. Selectivity of dairy cows for white clover, red clover, and ryegrass, and its influence on intake, milk yield and composition H. Anette van Dorland, M. Kreuzer , H. Leuenberger and H.-R. Wettstein – Zürich

96

74. Nutritional assessment of genetically modified (GM) rapeseed with a changed fatty acid profile H. Böhme, E. Rudloff, F. Schöne, Liane Hüther, G. Flachowsky – Braunschweig/Groß Lüsewitz/Jena

97

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75. The effect of heat treatment on exploitation of soy beans nutrious potential by rats Mária Chrenková, Zuzana Čerešňáková, Alexander Sommer, Juraj Pivko, Petra Sochová – Nitra, Slovak Republic

98

76. Evacuation of Sand from the Equine Intestine with Psyllium Semen and Mineral Oil Karin Hotwagner and Christine Iben – Wien

99

77. Investigations on DNA transfer after long-term feeding of Bt corn to breeder quails Karen Aulrich, Ingrid Halle, M. Spolders, G. Flachowsky – Trenthorst/Braunschweig

100

78. Feed intake of Jabal Akhdar goats grazing mountainous rangelands in northern Oman Martina Predotova, Eva Schlecht and A. Buerkert – Kassel/Stuttgart-Hohenheim

101

79. Influence of cutting frequency on productivity and herbage quality in natural grasslands of Inner Mongolia Anne Schiborra, M. Gierus and F. Taube – Kiel

102

Metabolism, growth, lactation

80. Effects of changes in the order of feeding oats and chopped alfalfa on

glycaemic and insulinaemic responses in horses Ingrid Vervuert, Katrin Voigt, Nathalie Brüssow, Teresa Hollands, D. Cudderford and M. Coenen - Hannover/Ringstead/Edinburgh/ Leipzig

103

81. Effect of the Fusarium toxin deoxynivalenol (DON) on in vivo protein synthesis in pigs Tanja Goyarts and Sven Dänicke – Braunschweig

104

82. Effect of high and low energy content in organic feed mixtures on fattening performance and carcass yield of different genotypes in organic turkey production G. Bellof, E. Schmidt and G. Hahn – Freising-Weihenstephan/Kulmbach

105

83. Relationship between Indicators Peripartal Metabolism and Fertility Relevant Functions M. Fürll, G. Hädrich, Franziska Heckel, L. Jäkel – Leipzig/Arnstadt

106

84. Development of immunoglobulin G and M serum concentrations in newborn calves with regard to different feeding systems Pamela Lack, H. Bostedt – Giessen

107

85. Effects of colostrum feeding and dexamethasone (Dexa) treatment on sodium-dependent glucose co-transporter-1 (SGLT1) in the small intestine of neonatal calves H. M. Hammon and Ulrike Schönhusen – Dummerstorf

108

86. Metabolic and endocrine changes in the systemic circulation and portal-drained viscera in catheterized dairy cows fed a fat-based diet compared to a starch-based diet H. M. Hammon, P. Junghans, F. Becker, O. Bellmann, F. Schneider, G. Nürnberg, P. Dubreuil, Helene Lapierre and Cornelia C. Metges – Dummerstorf/Lennoxville (Canada)

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87. Starch-rich versus fibre-rich diets for fattening bulls F. J. Schwarz, A. Sami and J. Kögel – Freising-Weihenstephan/Grub

110

88. Intestinal mucosa proteome analysis in goat kids fed with milk or soy protein based diets S. Kuhla, P.E. Rudolph, W. Tomek, D. Albrecht, R. Žitňan, Korinna Huber, J. Voigt, Cornelia C. Metges and Ulrike Schönhusen – Dummerstorf/Greifswald/Nitra/Hannover

111

89. Influence of zeolite A supplementation during the dry period of dairy cows on the peripartal mineral metabolism and on feed intake and milk yield in the following lactation Hilde Grabherr, M. Spolders, U. Meyer, G. Flachowsky and M. Fürll – Braunschweig/Leipzig

112

90. Metabolic Changes during the Dry Period in Cows that develop Parturient Paresis (PP) M. Fürll, Katja Eckermann, J. Bauerfeld, L. Jäkel – Leipzig/Arnstadt

113

91. Four generations feeding GMO-corn to laying hens Ingrid Halle, Karen Aulrich and G. Flachowsky – Braunschweig

114

92. An effective method for the isolation and long term culture of adult hepatocytes from the pig and bovine liver Monika Schweigel, Renate Brose and Cornelia C. Metges – Dummerstorf

115

Transport- and epithelial physiology

93. Neurochemical coding of myenteric neurones in the rumen of

ruminant species with specialized feeding habits Juliane Münnich, G. Gäbel and Helga Pfannkuche – Leipzig

116

94. Different pathways for the uptake of SCFA in the ovine rumen Sabine Bilk, J. R. Aschenbach, Kerstin U. Honscha, Helga Pfannkuche, G. Gäbel – Leipzig

117

95. Regulation of ruminal Mg transport Sabine Leonhard-Marek, Friederike Stumpff, G. Breves and H. Martens – Hannover/Berlin

118

96. Regulation of sodium conductance of ruminal epithelial cells by cytosolic magnesium Friederike Stumpff, Inge Brinkmann, Sabine Leonhard-Marek and H. Martens – Berlin/Hannover

119

97. Expression of the epithelial calcium channels TRPV5 and TRPV6 in sheep Mirja Wilkens, Christiane Kunert-Keil, G. Breves and B. Schröder – Hannover/Greifswald

120

98. Characterisation of chloride currents in the jejunum and colon of pigs Julia Kock, B. Schröder and G. Breves – Hannover

121

99. Glucose absorption from the reticulo-rumen of lactating dairy cattle J. R. Aschenbach, N. B. Kristensen and G. Gäbel – Leipzig/Tjele (DK)

122

100. Expression of renal urea transporters UT-A1, UT-A2 and UT-B in response to varying protein intake in goats Nina Hirschhausen, Sandra Kunz and Korinna Huber – Hannover

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101. High phosphorus supply influences the expression of renal PTH receptor and NaPi IIa in goats Alexandra Muscher, Korinna Huber, E. Pfeffer, G. Breves – Hannover/ Bonn

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102. Detection and up-regulation of NHE 1 and 3 mRNA expression in rumen epithelium Z. Shen, H. Huang. L. Sun and H. Martens – Nanjing (China)/Berlin

125

103. Comprehensive functional characterization of the time course of rumen epithelium adaptation to a high energy diet B. Etschmann, J.-L. Prießnitz and H. Martens – Berlin

126

104. Adaptation of epithelial phosphate transport to variations in dietary phosphorus supply in laying hens Korinna Huber, Romy Hempel and M. Rodehutscord – Hannover/ Halle (Saale)

127

Fat and lipids

105. Influence on fatty acid profile in cow’s milk of feeding extruded

linseed at the end of the dry period and/or at the start of the lactation H.-R. Wettstein, Debora Santschi, Anne-Kathrin M. Witschi, M. R. L. Scheeder and M. Kreuzer – Zürich

128

106. Pre- and postnatal influence of dietary seal oil and sunflower oil fed to sows on fatty acid status and immune cell activity of their progeny C. Binter, A. Khol-Parisini, K. Schäfer, W. Gerner, P. Hellweg, H. W. Hulan, A. Saalmüller and J. Zentek – Berlin/Wien

129

107. Influence of activation of PPARα and PPARγ on Insulin induced genes (Insig)-dependent fatty acid and cholesterol metabolism in rat hepatocytes K. Eder, Bettina König, A. Koch, Julia Spielmann and Gabriele I. Stangl – Halle (Saale)

130

108. Controversial effects of increased DHA intake on brain function and antioxidant status M. Stohrer, I. Wanninger, E. Frank, S. Hirmer, P. Sommer, M. Shakarami, Z. Grahovac, M. Stangassinger – München

131

109. Effect of stocking density and feeding of carp (Cyprinus carpio L.) on fat content and fatty acid composition F. J. Schwarz, M. Bräutigam, Wiebke Schabbel, M. Oberle and H. Steinhart – Freising-Weihenstephan/Höchstadt/Hamburg

132

110. The influence of the fatty acid pattern of dietary fat on the bioavailability of the flavonol quercetin in pigs R. Cermak, Stephanie Lesser and S. Wolffram – Leipzig/Kiel

133

111. Chemical and physical properties of pork and backfat as affected by the duration of feeding conjugated linoleic acid to finishing pigs Ivana Sottnikova, A. M. Pfeiffer, D. Schwörer, C. Wenk and M. R. L. Scheeder – Zürich/Offenbach a.d. Queich/Sempach

134

112. Effects of different finishing diets on fattening performance, carcass characteristic and meat quality of grass-fed steers Regina H. Razminowicz, M. Kreuzer and M. R. L. Scheeder – Zürich

135

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Undesired materials

113. Investigation on BSE Infections due to food contamination and further possible risk factors – Comparison between BSE population and healthy cattle farms in Lower Saxony, Germany Amely Ovelhey, J. Schäl, M. Beyerbach and L. Kreienbrock – Hannover

136

114. Potential risk factors for BSE in Bavarian cattle M. Clauss, Carola Sauter-Louis, E. Chaher, Christine Pottgiesser, Sandra Goebel, T. Seelhorst, H.-E. Wichmann, W. Klee and Ellen Kienzle – München/Wusterhausen

137

115. Investigations on Dioxin contamination of grass, grass silage and hay related to the mode of taking feed samples and to harvesting steps Ann Johanna Schulz, Elke Bruns-Weller, H. Appuhn, H. J. Heuer and J. Kamphues – Oldenburg/Hameln/Uelzen/Hannover

138

116. Comparison of the results for dioxin contents in bovine milk and body fat measured by EROD assay and by HRGC/HRMS analysis Ines Thiem, Ulrike Borowski, Gabriele Böhmler and J. Kamphues – Braunschweig/Hannover

139

117. Effects of feeding ergot from two different sources on the growth performance of piglets Simone Mainka, S. Dänicke, H. Böhme and K.-H. Ueberschär – Braunschweig/Celle

140

118. Effects of ergot alkaloids on the liver health and performance of piglets Sonja Hübner, S. Dänicke, K.-H. Ueberschär and G. Flachowsky – Braunschweig

141

119. No influence of deoxynivalenol contaminated oats on cellular or humoral immune parameters of horses Annabella Khol-Parisini, Petra Hellweg, E. Razzazi-Fazeli, A. Saalmüller, A. Strasser and J. Zentek – Wien

142

Digestion

120. Effect of hay harvested at three different regrowth stages on rumen

fermentation and chewing activity of non-lactating cows Frigga Dohme – Posieux

143

121. Ruminal degradation kinetics of Alpine forage plants as influenced by growth stage Susanne Kirchhof, K-H. Südekum and L. Gruber – Kiel/Bonn/Irdning

144

122. Effect of corn grain conservation on the rate and extent of ruminal degradation H. Kurtz and F. J. Schwarz – Freising-Weihenstephan

145

123. Effect of maize silage particle size fed as TMR on feed intake, selective consumption and ruminal fermentation in high-yielding dairy cows Q. Zebeli, M. Tafaj, B. Junck and W. Drochner – Stuttgart-Hohenheim

146

124. Effect of hay particle size and concentrate level on the main cellulolytic bacteria in the rumen of dairy cows Veronika Ölschläger, Iris Weber, W. Vahjen, M. Tafaj, O. Simon and W. Drochner – Berlin/Stuttgart-Hohenheim

147

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125. Influence of different feeding strategies (separate feeding, TMR) on the rumen metabolism of dairy cows Ulrike Borchert, P. Lebzien, Anja Böning, U. Meyer – Braunschweig

148

126. Time-dependent ruminal degradation of feed DNA and recombinant protein Steffi Wiedemann, B. Lutz, H. Kurtz, H. H. D. Meyer, F. J. Schwarz and Christiane Albrecht – Freising-Weihenstephan

149

127. Diurnal changes of microbial proteolytic activity in the rumen of sheep and cattle Jane Wamatu, Ellen M. Hoffmann, Natascha Selje, K. Becker – Stuttgart-Hohenheim

150

128. Influence of grazing intensity on digestibility of organic matter ingested by sheep on the Inner Mongolian steppe T. Glindemann, C. Wang, A. Susenbeth – Kiel

151

129. Effects on in vitro ruminal nitrogen turnover and methanogenesis of foliage and crop residues supplemented to a tropical grass diet Carla R. Soliva, A. B. Zeleke, Céline Clément, H. D. Hess and M. Kreuzer – Zürich/Posieux

152

130. Effect of partial dehulling of barley on prececal digestibility of amino acid in pigs U. Hennig, S. Kuhla, W. B. Souffrant, A. Tuchscherer and Cornelia C. Metges – Dummerstorf

153

131. Investigations on the development of enzyme activity in the gastrointestinal tract and of pancreatic tissue in granivorous pet birds Petra Wolf and J. Kamphues – Hannover

154

132. Effects of diets with inulin and sucrose on the microbial fermentation in the gastrointestinal tract of broilers H. Rehman, J. Böhm, J. Zentek – Wien

155

133. Effects of different purified condensed tannins on ruminal fermentation in vitro H. D. Hess, T. T. Tiemann, C. E. Lascano and M. Kreuzer – Posieux/Cali/Zürich

156

134. Protein digestibility of tannin-containing forages in the rumen and the abomasum as determined in vitro H. D. Hess, J. Cortés, J. E. Carulla, Martha L. Pabón, T. T. Tiemann, C. E. Lascano and M. Kreuzer – Posieux/Bogotá/Cali/Zürich

157

135. Investigations on the use of polyethylene glycol in in vitro ruminal fermentation studies with tanniniferous tropical forages T. T. Tiemann, C. E. Lascano, M. Kreuzer and H. D. Hess – Zürich/ Cali/Posieux

158

136. Effect of ruminal pH on the methanogenic potential of starch and sucrose Ida K. Hindrichsen and M. Kreuzer –Zürich

159

137. Influence of transgenic (GM) maize and ampicillin on the metabolic profile and microbial community structure of bovine rumen fluid Melanie Koch, E. Strobel, C. C. Tebbe, G. Breves and Korinna Huber – Hannover/Braunschweig

160

138. Effect of differently composed silages on microbial fermentation in RUSITEC Mom Seng, Swena Bonorden, J. Isselstein and Hj. Abel – Göttingen

161

14

139. Comparison of equine caecum content and faeces as inocula in a modified ‘Hohenheim Gas Test’ with different substrates Wiebke Engelmann, Bianca Dill, K. D. Markuske and Annette Zeyner – Leipzig

162

140. Suitability of equine caecum content as inoculum in a modified "Rumen Simulation Technique’ – Preliminary results Bianca Dill, Wiebke Engelmann, K. D. Markuske and Annette Zeyner – Leipzig

163

141. Effect of concentrate composition on feed intake, digestibility and chewing activity of rearing calves Elisabeth Laible, H. Steingaß, Caroline van Ackeren and W. Drochner – Stuttgart-Hohenheim

164

Minerals and traceelements

142. Responses of broilers to increasing P supply in net absorption of P in

different segments of the lower small intestine and P utilisation M. Witzig, A. Dieckmann and M. Rodehutscord – Halle (Saale)

165

143. Influence of different iron sources on digestibility of iron, growth performance and blood parameters in the piglet T. Ettle, P. Schlegel and F. X. Roth – Freising-Weihenstephan/Genf

166

144. Whole body analysis in chelonians Petra Kölle, G. Kopsch, M. Clauss, Ellen Kienzle – München

167

145. Calcium excess causes sub clinical changes of bone growth in Beagles but not in Foxhound-crossbred dogs B. Dobenecker, Nadine Kasbeitzer, Susanne Flinspach, R. Köstlin, Ulrike Matis and Ellen Kienzle – München

168

146. Rare Earth Elements restore accelerated bone loss in a small animal model of postmenopausal osteoporosis U. Wehr, A. Feldhaus and W. A. Rambeck –München

169

147. Inevitable losses of phosphorus in broilers R. Hempel and M. Rodehutscord – Halle (Saale)

170

148. Investigations in fattening bulls on the phosphorus metabolism - effects of the crude fibre supply and added CaCl2 Venja Taube, Petra Wolf and J. Kamphues – Hannover

171

149. Influence of increasing dietary iodine supplements on the iodine concentration in blood serum and milk of dairy cows F. Schöne, P. Lebzien, Doreen Bemmann, M. Leiterer, M. Spolders, G. Flachowsky – Jena/Braunschweig

172

150. The influence of an iodized udder disinfection solution on the iodine content of milk from dairy cows M. Spolders, Doreen Bemmann, P. Lebzien, M. Leiterer, F. Schöne, G. Flachowsky – Braunschweig/Jena

173

151. The biopotency of selenate in differential gene expression is distinctly higher in comparison to selenite A. S. Müller, Astrid Bosse and J. Pallauf – Giessen

174

152. Intakes of inositol phosphates and phytate / zinc– resp. (phytate x calcium) / zinc millimolar ratios in duplicated meals of children (2 to 3 years) in Western Europe Douwina Bosscher, G. P. J. Janssens, J. Weyler, Micheline Van Caillie-Bertrand, H. De Rycke and H. Deelstra - Antwerpen/Gent

175

15

153. Effects of feeding free or microencapsulated gluconic acid on growth performance of weanling pigs G. Biagi, E. Vezzali, A. Piva and F.X. Roth – Bologna/Freising-Weihenstephan

176

Workshop: Nutrition and fertility

W1. Fertility in high yield dairy herds - status quo, developments and

challenges Wolfgang Heuwieser, Tierklinik für Fortpflanzung, FU Berlin

178-180

W2. Regulation of reproductive functions in dairy cattle in relation to energy uptake and milk yield W. Kanitz, F. Becker, H. Hammon, Monika Schweigel - Dummerstorf

181-184

W3. Nutrition and reproduction in the post partum sow H. van den Brand – Wageningen

185-189

List of Authors 191-200