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$.'$) %*/,)' Book of Abstracts !!$$'*/,)'*! j .# )$('$ ) ) ,*/.$*)--*$.$*) *! )$(' 111-+%*/,)'$. -$ ) Congress, Cremona, June 7-10, 2011 7-10, June Cremona, Congress, th .'$)*/,)' *!)$(' $ ) 0*'/( ASPA ASPA 19 -/++' ( ). j .# *)", -- , (*)/) **&*!-.,.- / -.$.*,$*(*$,'* Italian Journal of Animal Science 2011; volume 10, supplement 1 Italian Journal of Animal 10, volume Science 2011; José A. Fernández, Danish Institute of Agricultural Italian Journal of Animal Science Sciences, Tjele, Denmark Gerhard Flachowsky, Federal Agricultural Research Centre, Official Journal of the Animal Science Braunschweig, Germany and Production Association Dunixi Gabiña, Mediterranean Agronomic Institute, Zaragoza, Spain ISSN 1594-4077 Gerald B. Havenstein, North Carolina State University, Raleigh, VA, USA Luc Maertens, Dept. of Animal Nutrition and Husbandry, Editor-in-Chief Merelbeke, Belgium Rosanna Scipioni, Università di Modena e Reggio Emilia, Donato Matassino, Università del Sannio, Benevento, Italy (Italy) Alessandro Nardone, Università della Tuscia, Viterbo, Italy Louis Ollivier, INRA - Animal Genetics, Jouy-en-Josas, Sector Editors France Umberto Bernabucci, Università della Tuscia, Viterbo (Italy) Giulio Pagnacco, Università di Milano, Italy Cesare Castellini, Università di Perugia (Italy) Gianfranco Piva, Università Cattolica del Sacro Cuore, Giulio Cozzi, Università di Padova (Italy) Piacenza, Italy Juan Vicente Delgado Bermejo, Universidad de Córdoba Carl E. Polan, Virginia Tech - Dairy Science Dept., (Spain) Blacksburg, VA, USA Luca Fontanesi, Università di Bologna (Italy) Max F. Rothschild, Iowa State University, Ames, USA Oreste Franci, Università di Firenze (Italy) Giuseppe Succi, Università di Milano, Italy Juan J. Loor, University of Illinois at Urbana-Champaign, (USA) Editorial Staff Nicolò P.P. Macciotta, Università di Sassari (Italy) Nadia Moscato, Managing Editor Marcello Mele, Università di Pisa (Italy) Cristiana Poggi, Production Editor Antonino Nizza, Università di Napoli (Italy) Anne Freckleton, Copy Editor Alessandro Priolo, Università di Catania (Italy) Giovanni Savoini, Università di Milano (Italy) Jeanette Mitchell, Copy Editor Filippo Lossani, Technical Support Advisory Board Michael S. Allen, Michigan State University, East Lansing, Publisher USA PAGEPress Publications Aimé Aumaitre, INRA - Animal Nutrition, Saint Gilles, France via Giuseppe Belli 7 Jürg Blum, University of Berne, Switzerland 27100 Pavia, Italy Andrew Chesson, The Rowett Research Institute, Tel. +39.0382.1751762 – Fax. +39.0382.1750481 Aberdeen, UK Yves Chilliard, INRA-Theix, St. Genes Champanelle, France [email protected] – www.pagepress.org Roberta Davoli, Università di Bologna, Reggio Emilia, Italy Liliana Di Stasio, Università di Torino, Grugliasco, Italy James K. Drackley, University of Illinois, Urbana, Ill., USA Italian Journal of Animal Science Peer-review policy All manuscript submitted to our journals are critically assessed by external and/or inhouse experts in accordance The Italian Journal of Animal Science is an international with the principles of Peer Review, which is fundamental to journal publishing original scientific papers, reviews and the scientific publication process and the dissemination of short communications on animal science, animal production sound science. Each paper is first assigned by the Editors to and related areas, as well as news for the members of the an appropriate Associate Editor who has knowledge of the Animal Science and Production Association (ASPA). The field discussed in the manuscript. The first step of manu- Association will be glad to receive proposals for your admis- script selection takes place entirely inhouse and has two sion as ordinary or corresponding member: please read reg- major objectives: a) to establish the article's appropriate- ulations and procedures in the ASPA statute available at ness for our journals' readership; b) to define the manu- http://www.aspajournal.it/public/aspa_statute.pdf. script's priority ranking relative to other manuscripts under Upon request to the Editor, announcements of con- consideration, since the number of papers that the journal gresses, presentations of universities, research institutes, receives is much greater than that it can publish. If a manu- books and proceedings may also be published. The publica- script does not receive a sufficiently high priority score to tion of manuscripts is subject to the approval of referees warrant publication, the editors will proceed to a quick and in agreement with the Advisory Board’s opinions; refer- rejection. The remaining articles are reviewed by at least two ees will be selected from among qualified scientists in the different external referees (second step or classical peer- international scientific community. review). Authorship. All persons designated as authors should qualify for authorship according to the CSE' criteria (http://www.councilscienceeditors.org/i4a/pages/index.cfm? 2009 Impact factor: 0.139. ©JCR Thomson Reuters pageid=3355) Each author should have participated suffi- ciently in the work to take public responsibility for the con- tent. 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Italian Journal of Animal Science volume 10, supplement 1, 2011 ASPA 19th Congress Cremona, June 7-10, 2011 Table of Contents Preface Oral Communications Posters Animal breeding and genetics 1 Animal breeding and genetics 67 Dairy production 4 Dairy production 77 Animal welfare, health and behaviour 6 Nutrition and feeding 81 Animal breeding and genetics 9 Meat production 83 Nutrition and feeding 17 Poultry and rabbit production 89 Dairy production 25 Animal breeding and genetics 92 Meat production 28 Dairy production 95 Poultry and rabbit production 34 Animal welfare, health and behaviour 100 Animal breeding and genetics 37 Aquaculture 109 Nutrition and feeding 43 Nutrition and feeding 114 Dairy production 47 Poultry and rabbit production 122 Animal welfare, health and behaviour 51 Meat production 126 Aquaculture 55 Animal breeding and genetics 130 Nutrition and feeding 60 Poultry and rabbit production 62 Index of authors a Meat production 64 This supplement is also available at www.aspajournal.it ASPA 19th Congress Cremona, June 7-10, 2011 Organised by Agricultural Research Council Fodder and Dairy Productions Research Centre, Lodi (CRA-FLC) CONGRESS PRESIDENT Prof. Paolo Cescon ORGANIZING COMMITTEE SCIENTIFIC COMMITTEE Dr. Giovanni Lo Piparo (President) Dr. Riccardo Aleandri (President) Dr. Stefania Barzaghi Dr. Fabio Abeni Dr. Maurizio Capelletti Dr. Fabiola Canavesi Dr. Giorgio Giraffa Dr. Giacinto Della Casa Dr. Luciano Migliorati Dr. Giacomo Pirlo Dr. Giacomo Pirlo Dr. Marisanna Speroni Secretary Maria Dissegna and Patrizia Re With the assistance of Claudia Federici, Francesca Petrera, Miriam Odoardi, Maddalena Carli, Caterina Sanna, Stefania Marruso, Leonardo Boselli, Milena Rosi and Aldo Dal Prà ASPA 19th Congress Cremona, June 7-10, 2011 The Congress has been organized under the patronage of the Ministry of Agricultural, Food and Forestry Policies and the financial support of the Ministry of Agricultural, Food and