2005-2006 Research Report Chicken Meat Program January 2007 RIRDC Publication No 06/069 © 2006 Rural Industries Research and Development Corporation All rights reserved. ISBN 1 74151 332 4 ISSN 1440-6845 2005-2006 Research Report RIRDC Chicken Meat Program Publication No 06/069 The information contained in this publication is intended for general use to assist public knowledge and discussion and to help improve the development of sustainable industries. The information should not be relied upon for the purpose of a particular matter. Specialist and/or appropriate legal advice should be obtained before any action or decision is taken on the basis of any material in this document. The Commonwealth of Australia, Rural Industries Research and Development Corporation, the authors or contributors do not assume liability of any kind whatsoever resulting from any person's use or reliance upon the content of this document. This publication is copyright. However, RIRDC encourages wide dissemination of its research, providing the Corporation is clearly acknowledged. For any other enquiries concerning reproduction, contact the Communications Manager on phone 02 6272 3186. RIRDC Chicken Meat Program Research Manager Dr Vivien Kite RIRDC PO Box 579 NORTH SYDNEY NSW 2059 Phone: 02 9929 4077 Fax: 02 9925 0627 Email: [email protected] RIRDC Publications Manager Rural Industries Research and Development Corporation Level 2, 15 National Circuit BARTON ACT 2600 PO Box 4776 KINGSTON ACT 2604 Phone: 02 6272 3186 Fax: 02 6272 5877 Email: [email protected] Website: http://www.rirdc.gov.au Published in January 2007 Printed on environmentally friendly paper by Union Offset, Canberra ii Foreword This year RIRDC has produced Research in Progress, June 2006, which contains short summaries of continuing projects as well as those that were completed during 2005-2006 for all of the Corporation’s 22 program areas. The complete report on all the programs is only available in electronic format on our website at www.rirdc.gov.au. The following report is a hardcopy extract covering the Chicken Meat Sub-program. It contains all entries from continuing and completed Chicken Meat research projects funded by RIRDC in 2005-2006. Additional information on other activities funded by the program in 2005-2006 and projects and activities to be funded in 2006-2007 have also been included in this publication. The objective of the Chicken Meat Program is to support increased sustainability and profitability in the chicken meat industry by focussing on research and development on those areas which will enable the industry to become more efficient and globally competitive and which will assist in the development of good industry and product images. Research reported upon herein was funded from industry revenue which is matched by funds provided by the Federal Government. This report is an addition to our extensive catalogue of more than 1500 research reports, videos and CD-roms of projects supported by RIRDC. Most of our publications are available for viewing, downloading or purchasing online through our website: • downloads at www.rirdc.gov.au/fullreports/Index.htm • purchases at www.rirdc.gov.au/eshop Peter O’Brien Managing Director Rural Industries Research and Development Corporation iii CHICKEN MEAT PROGRAM ADVISORY COMMITTEE Chairperson: Research Manager: Mr Barry Shay Dr Vivien Kite Food Safety Consultant RIRDC Chicken Meat Program 27 Uther Street PO Box 579 CARINDALE QLD 4152 NORTH SYDNEY NSW 2059 Ph: (07) 3398 1766 Ph: (02) 9929 4077 Mobile: 0402 245 744 Fax: (02) 9929 0627 Fax: (07) 3398 6631 Email: [email protected] Email: [email protected] Committee Members: Dr Pat Blackall Mr Rod Jenner Animal Research Institute Golden Cockerel Pty Ltd Department of Primary Industries PO Box 142 Locked Mail Bag No 4 CLEVELAND QLD 4163 MOOROOKA QLD 4015 Ph: (07) 3206 6444 Ph: (07) 3362 9498 Fax: (07) 3206 6999 Fax: (07) 3362 9429 E-mail: [email protected] E-mail: [email protected] Dr Tom Grimes Dr Ron MacAlpine Grimes Consultancy Pty Ltd Inghams Enterprises Pty Ltd 29 Tradewinds Avenue Locked Bag 4000 PARADISE POINT QLD 4216 LIVERPOOL BC NSW 1871 Ph/fax: (07) 5529 6146 Ph: (02) 9606 5666 Mob: 0416 257 524 Fax: (02) 9606 6640 Email: [email protected] Email: [email protected] Dr Margaret MacKenzie Mr Gary Sansom Inghams Enterprises Pty Ltd 82 Hawkins Road PO Box 1100 JIMBOOMBA QLD 4280 BROWNS PLAINS QLD 4118 Ph: (07) 5546 9235 Ph: (07) 3297 4644 Fax: (07) 5546 0070 Fax: (07) 3290 4471 E-mail: [email protected] Email: [email protected] work: (07) 3837 4747 Mob: 0428 155 795 Ms Margie Thomson Mr Liam Morrisroe RIRDC Bartter Enterprises Pty Ltd PO Box 4776 PO Box 616 KINGSTON ACT 2604 NORTH RYDE NSW 1670home address - use for Ph: (02) 6272 4152 docs posted from RIRDC: 90 Taylors Rd, SKYE VIC Fax: (02) 6272 5877 3977 Email: [email protected] Ph: (02) 8870 0000 Fax: (02) 8870 0093 E-mail: [email protected] Program Coordinator: Ms Vicki Byrne RIRDC, PO Box 4776, KINGSTON ACT 2604 Ph: (02) 6271 6398, Fax: (02) 6272 5877, Email: [email protected] iv INDEX TO PROJECT SUMMARIES COMPLETED PROJECTS Flock Health ...............................................................................................................1 Use of cytokines to enhance vaccine efficacy in poultry .......................................................................1 Postgraduate scholarship – Kristie Jenkins: Improved therapeutics for Marek’s disease virus infection3 Postgraduate scholarship – Manija Asif: Cytokines and innate molecules for enhanced mucosal immunity in the chicken .....................................................................................................5 Biological control of necrotic enteritis in meat chickens ........................................................................7 The development of vaccination strategies to control necrotic enteritis in poultry ................................8 Preliminary investigations into the efficacy of novel treatments and application methods for darkling beetle (Alphitobius diaperinus [Panzer]) control in Australian broiler houses ...10 Molecular evaluation of responses to vaccination and challenge by Marek’s disease viruses ...........11 Avian leukosis subgroup-J (ALV-J): epidemiological studies for control of ALV-J in Australian broiler breeder flocks.......................................................................................................13 Systematic pathotyping of Australian Marek’s disease (MDV) isolates...............................................15 Typing of Pasteurella multocida...........................................................................................................17 Efficacy trials of a maternally-delivered recombinant vaccine against coccidiosis..............................19 Postgraduate scholarship - Ms Kelly Mai: The molecular basis for oocyst wall formation in the apicomplexan parasite, Eimeria maxima ........................................................................21 Effects of organic acids, prebiotics, and enzymes on control of necrotic enteritis and performance of broiler chickens............................................................................................................22 Bird Nutrition and Feed Supply..............................................................................23 Mechanical and enzymatic improvements of dehulled lupins for broiler and layer diets (AECL- managed project WAU-1A) .............................................................................................23 Digestible amino acids and improved broiler performance..................................................................25 Efficiency of Production .........................................................................................27 Investigation of the cause of miliary hepatitis in laying chickens.........................................................27 Product Quality and Safety.....................................................................................28 Baseline survey of Campylobacter and Salmonella during chicken processing .................................28 RESEARCH IN PROGRESS.....................................................................................30 Flock Health .............................................................................................................30 Characterisation and modulation of virulence of endemic IBDV strains using reverse genetics ........30 New diagnostic assays to improve control of coccidiosis in poultry ....................................................31 Bird Nutrition and Feed Supply..............................................................................32 Nutritional characterisation of sorghums from Queensland and NSW for chicken meat.....................32 Postgraduate scholarship - Mr Nicholas Rodgers: Relationships between grain quality, intestinal integrity, and performance of broiler chickens ................................................................34 Early feeding of prebiotics on development of the digestive system and gut microflora of broilers ....35 Establishment of a Chair in Poultry Sciences at The University of Sydney.........................................36 Assessment of the anti-nutritive effects of phytate by dephytinisation ................................................37 Early dietary and management intervention on broiler breast meat yield ...........................................38