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36th Annual Australian Poultry Science Symposium
36th Annual Australian Poultry Science Symposium

36th Annual Australian Poultry Science Symposium

February 10, 2025 to February 12, 2025
The University of Sydney Abercrombie Business School (CamperdownCampus) - Sydney - New South Wales - Australia
Lectures
12:20hs
2/11/2025
The use of coproducts to mitigate the environmental footprint of broiler chicken production

Dr. Mohammed el Amine Benarbia – Nor-Feed SAS, France

Speaker:
12:20hs
2/11/2025
09:00hs
2/10/2025
Registration
09:00hs
2/10/2025
09:30hs
2/10/2025
Morning Tea
09:30hs
2/10/2025
10:00hs
2/10/2025
Student/Industry “Meet and Greet”

Mentors will be invited from relevant industry sectors and early career researchers that attend APSS 2025 will be encouraged to attend the networking function. Professors Roura, Choct and Crowley will do an introduction at the beginning of the session and then encourage mentors and mentees to engage in activities and conversations for the rest of the session.

Speaker:
Mingan Choct
Australia
Eugeni Roura
Australia
10:00hs
2/10/2025
12:00hs
2/10/2025
Lunch
12:00hs
2/10/2025
13:00hs
2/10/2025
Opening of the symposium

Lecture Theatre, Basement Level, University of Sydney – Abercrombie Business School. The president of the PRF, Lisa Jamieson welcomes the audience and introduces Professor Kathy Belov, Pro Vice-Chancellor (Global and Research Engagement), The University of Sydney to open the symposium.

13:00hs
2/10/2025
13:15hs
2/10/2025
Worldwide water scarcity – we are all in it together

Prof. Walter Bottje – University of Arkansas, USA

Session 1 ChairProf. Mingan Choct – University of Sydney, Australia

Speaker:
Walter Bottje
United States
13:15hs
2/10/2025
13:55hs
2/10/2025
Water intake and its relationship with feed efficiency of broiler

Dr. Nishchal Sharma – University of New England, Australia

Speaker:
13:55hs
2/10/2025
14:05hs
2/10/2025
Effect of processing methods on the quality determinants of canola meals

Ms Sin Nee Ng – Soon Soon Oilmills Sdn Bhd, Malaysia

14:05hs
2/10/2025
14:15hs
2/10/2025
Combination of consensus phytase, carbohydrase enzymes and bacillus based probiotics improves broiler performance when low energy and amino acid diets are fed

Dr Amir Ghane – Danisco Animal Nutrition and Health -IFF, Singapore

Speaker:
Amir Ghane
Thailand
Senior Technical Director
14:15hs
2/10/2025
14:25hs
2/10/2025
Promoting resilience: sustainable protein alternatives and low-protein diets for chicken-meat production

Assoc. Prof. Sonia Liu – The University Of Sydney, Australia

Speaker:
Dr Sonia Yun Liu
Australia
Animal Nutritionist
14:25hs
2/10/2025
15:05hs
2/10/2025
Afternoon Tea
15:05hs
2/10/2025
15:30hs
2/10/2025
Priming young birds for gut health and resilience

Dr Mike Bedford – AB Vista, UK

Session 2 Chair: Dr David Cadogan – Feedworks, Australia

Speaker:
Michael  Bedford
United States
15:30hs
2/10/2025
16:10hs
2/10/2025
The goblet cell population increases from the duodenum to the ileum in broiler chickens

Miss Francisca Diaz-Aviles – University of Queensland, Australia

16:10hs
2/10/2025
16:20hs
2/10/2025
Xylo-oligosaccharides: are you getting what you paid for?

Mr Andrew Wallace – University of New England, Australia

Speaker:
16:20hs
2/10/2025
16:30hs
2/10/2025
Replacing dietary supplemented l-arginine with guanidinoacetic acid and l-citrulline improves feed conversion ratio of broiler chickens

Dr Reza Barekatain – SARDI, Australia

Speaker:
Reza Barekatain
Australia
Research Scientist (Poultry) at South Australian Research and Development Institute
16:30hs
2/10/2025
16:40hs
2/10/2025
Caecum bacterial communities respond to dietary grain type and crude protein levels and correlate with broilers’ growth

Dr Jiasui Li – The University of Sydney, Australia

16:40hs
2/10/2025
16:50hs
2/10/2025
Using proteogenic amino acids to modulate pathogenic bacterial growth in the intestinal microbiome of broiler chickens

Mr. David Chau – The University of Queensland, Australia

16:50hs
2/10/2025
17:00hs
2/10/2025
Special presentation by Diamond Sponsor DSM – Incorporating an essential oil and saponin blend as part of an effective coccidiosis management program

Dr Shelby Ramirez – dsm-firmenich, USA

Speaker:
Shelby Ramirez
United States
Global Poultry Manager de dsm-firmenich
17:00hs
2/10/2025
17:30hs
2/10/2025
Poster session inc. dinner & drinks
17:30hs
2/10/2025
07:00hs
2/11/2025
Adisseo Breakfast Seminar

By invitation only.

07:00hs
2/11/2025
08:25hs
2/11/2025
Day 2 opening address
08:25hs
2/11/2025
08:30hs
2/11/2025
Impact of past, present, and future feed additives on the gut ecosystem on productivity of young chicks

Dr Michael Kogut – USDA-ARS, USA

Session 3 Chair: Dr Reza Barekatain – SARDI, Australia

Speaker:
Michael H Kogut
United States
08:30hs
2/11/2025
09:10hs
2/11/2025
Beneficial impact of a commercial triple-strain bacillus-based probiotic on cecal colonization of salmonella enteritidis in challenged layer pullets

Antoine Meuter – Novonesis, France

Speaker:
Antoine Meuter
Germany
Global category Manager eubiotics
09:10hs
2/11/2025
09:20hs
2/11/2025
A dose-response study with arginine in ovo feeding shows signs of toxicity beyond 60 mg/egg in broiler chickens

Ms. Nadeera Disanayaka – The University of Queensland, Australia

09:20hs
2/11/2025
09:30hs
2/11/2025
Investigation of the dietary supplementation of lauric and butyric acid glycerides on the performance, intestinal gross lesions and cecal microbiota in a subclinical necrotic enteritis chanllenge model in broiler chicks

Dr Bing Guo – Adisseo, Singapore

09:30hs
2/11/2025
09:40hs
2/11/2025
Butyric and valeric glycerides blend prevents adverse impacts of eimeria challenge on performance and reduces oocyst loads in broiler chickens

Mr Sm Mostafizur Rahaman Sumon – University of New England, Australia

09:40hs
2/11/2025
09:50hs
2/11/2025
Influence of bacillus subtilis probiotic on gut integrity and gene expression in broilers

Mr Darwin Horyanto – CQU/Bioproton, Australia

09:50hs
2/11/2025
10:00hs
2/11/2025
Evaluating different application strategies of a saponin-aluminosilicate blend in broilers challenged with eimeria

Dr. Madri Brink – Orffa Additives BV, Belgium

10:00hs
2/11/2025
10:10hs
2/11/2025
Effects of quillaja and yucca combination product at different inclusion levels and duration of use in broilers subjected to intestinal challenge model

Dr. Vasil Stanev – Phibro Animal Health SA, Belgium

Speaker:
10:10hs
2/11/2025
10:30hs
2/11/2025
Morning Tea
10:30hs
2/11/2025
11:00hs
2/11/2025
Recent advances in broiler breeder nutrition

Dr Peter Chrystal – Aviagen Inc., New Zealand

Session 4 Chair: Prof. Eugeni Roura – University of Queensland, Australia

Speaker:
11:00hs
2/11/2025
11:40hs
2/11/2025
Reducing dietary protein from 16 to 12% does not have a negative impact on broiler breeder performance

Mr. Bipul Chandra Ray – The University of Queensland, Australia

Speaker:
11:40hs
2/11/2025
11:50hs
2/11/2025
Towards an in vitro digestion model based on ex vivo analysis of chicken digesta

Miss Xueping Jing – The University of Queensland, Australia

11:50hs
2/11/2025
12:00hs
2/11/2025
Feeding methionine hydroxyl analogue chelated zinc, copper and manganese to broiler chickens reduces mineral excretion

Dr Amy Moss – University of New England, Australia

Speaker:
Amy Moss
Australia
PhD Candidate at Poultry Research Foundation, The University of Sydney
12:00hs
2/11/2025
12:10hs
2/11/2025
Comparing traditional forms of supplemental copper to a monovalent copper on bacteria control

Dr David Cadogan – Feedworks, Australia

Speaker:
Cadogan, D.J
Australia
Agricultural Engineer
12:10hs
2/11/2025
12:30hs
2/11/2025
Protein turnover in broiler chickens

Dr Shemil Macelline – University of Sydney, Australia

Speaker:
12:30hs
2/11/2025
12:40hs
2/11/2025
Special announcement

Prof Mingan Choct – Director, Poultry Research Foundation

Speaker:
Mingan Choct
Australia
12:40hs
2/11/2025
12:45hs
2/11/2025
Lunch
12:45hs
2/11/2025
13:00hs
2/11/2025
WPSA AGM
13:00hs
2/11/2025
14:00hs
2/11/2025
Optimizing nutrition and management to enhance productivity in modern laying hens: from rearing to peak production

Mr Vitor Arantes – Hy-line International, USA

Session 5 Chair: Mini Singh – Australian Eggs

Speaker:
Vitor Arantes
Estados Unidos de América
Nutriólogo
14:00hs
2/11/2025
14:40hs
2/11/2025
A comparison of hen performance during an extended laying cycle based on hen body weight

Dr Wendy Muir – The University of Sydney, Australia

Speaker:
Wendy Muir
Australia
14:40hs
2/11/2025
14:50hs
2/11/2025
Performance, eggshell quality and bone densitometry of white laying hens supplememented with amino acid-complexed minerals from 78 to 98 weeks of age

Dr. Leonardo Linares – Zinpro Corporation, USA

Speaker:
Leonardo Linares
United States
Technical Services Nutritionist at Aviagen
14:50hs
2/11/2025
15:00hs
2/11/2025
Nutrition and feeding strategies in extended egg production in different production systems

Assoc. Prof. Sanna Steenfeldt – University of New England, Australia

Speaker:
Dr Sanna Steenfeldt
Denmark
Research
15:00hs
2/11/2025
15:40hs
2/11/2025
Afternoon Tea
15:40hs
2/11/2025
16:10hs
2/11/2025
Alternative ingredients to replace soybean meal in commercial broiler chicken production

Dr Elham Assadi Soumeh – The University Of Queensland, Australia

Session 6 Chair: Nick Rodgers – Inghams Enterprises P/L, Australia  

Speaker:
16:10hs
2/11/2025
16:20hs
2/11/2025
Nutritional value of grain legumes compared to soybean meal: standardised ileal digestibility

Mr. Obright Hamungalu – Massey University, New Zealand

Speaker:
16:20hs
2/11/2025
16:30hs
2/11/2025
Use of field peas and non-bound amino acids in broiler diets replacing soyabean meal

Mr Milan Kandel – The University of Sydney, Australia

16:30hs
2/11/2025
16:40hs
2/11/2025
High inclusion of wheat distiller’s dried grains with solubles in broiler chicken diets

Dr Eunjoo Kim – The University of Sydney, Australia

Speaker:
Eunjoo Kim
Australia
16:40hs
2/11/2025
16:50hs
2/11/2025
Evaluation of apparent ileal amino acid digestibility of guar korma meal in male and female broilers

Mr Muhammad Asad Iqbal – University Rawalpindi, Pakistan

16:50hs
2/11/2025
18:00hs
2/11/2025
Symposium Dinner - Sponsored by Shandong Longchang Animal Health Product Co.
18:00hs
2/11/2025
08:00hs
2/12/2025
Late Registration
08:00hs
2/12/2025
08:55hs
2/12/2025
Day 3 opening address
08:55hs
2/12/2025
09:00hs
2/12/2025
Thoughts on diet energy- definitions, requirements and alternatives (Video recording)

Emer. Prof. Steve Leeson – University of Guelph, Canada

Session 7 Chair: Prof. Shubiao Wu – University of New England, Australia

Speaker:
Steve Leeson
Canadá
Veterinary Doctor
09:00hs
2/12/2025
09:40hs
2/12/2025
Comparative effects of liquid and dry applications of a combination of lysolecithin, synthetic emulsifier and monoglycerides on growth performance, profitability and environmental impact in broilers fed diets of differing energy density

Mr Stuart Court – Kemin, Australia

09:40hs
2/12/2025
09:50hs
2/12/2025
Interactive effects of grain and fat sources on growth performance of broiler chickens with reduced metabolizable energy in starter and grower diets

Mrs. Mengzhu Wang – The University of Sydney, Australia

09:50hs
2/12/2025
10:00hs
2/12/2025
Interactive effects of dietary nutrient density and breed on growth performance of straight-run broilers

Ms Carria Xie – The University of Sydney, Australia

10:00hs
2/12/2025
10:10hs
2/12/2025
Effect of glucose oxidase on performance of broilers feeding normal and low energy diets

Mrs Sharmin Akter – University of New England, Australia

10:10hs
2/12/2025
10:20hs
2/12/2025
Enhancing productivity through net energy application in broilers

Dr. Pairat Srichana – Charoen Pokphand Group Co., Ltd., Thailand

10:20hs
2/12/2025
11:00hs
2/12/2025
Morning Tea
11:00hs
2/12/2025
11:30hs
2/12/2025
Prevalence and prevention of enterococcus around the world

Prof. Martha Pulido Landinez – Mississippi State University, USA

Session 8 Chair: Dr. Wendy Muir – University of Sydney, Australia

Speaker:
11:30hs
2/12/2025
12:10hs
2/12/2025
Commensally delivered recombinant immunity against zoonotic bacteria in chickens

Dr Meg Manohar – CSIRO, Australia

12:10hs
2/12/2025
12:20hs
2/12/2025
Evaluation of influenza A virus restriction by duck trim proteins

Dr Lee Campbell – The University of Sydney, Australia

12:20hs
2/12/2025
12:30hs
2/12/2025
Dust challenge model to test the success of live salmonella vaccine

Dr Samiullah Khan – The University of Adelaide, Australia

12:30hs
2/12/2025
12:40hs
2/12/2025
Variant strains of IBV are still emerging in vaccinated layer flocks

Dr Jose A. Quinteros – The University of Sydney, Australia

Speaker:
12:40hs
2/12/2025
12:50hs
2/12/2025
Microbiome-host interaction in avian pasteurellosis

Dr Yadav Bajagai – Central Queensland University, Australia

Speaker:
12:50hs
2/12/2025
13:00hs
2/12/2025
Path models for spotty liver disease

Dr Peter Groves – Poultry Research Foundation, Australia

Speaker:
Peter Groves
Australia
Senior Lecturer in Poultry Health
13:00hs
2/12/2025
13:10hs
2/12/2025
Reinfection of chickens with campylobacter hepaticus, the cause of spotty liver disease

Assoc. Prof. Thi Thu Hao Van – RMIT University, Australia

Speaker:
13:10hs
2/12/2025
13:20hs
2/12/2025
Lunch
13:20hs
2/12/2025
14:20hs
2/12/2025
Effect of yeast cell wall supplement on broiler chickens performance under chronic heat stress

Dr Alison Leary – Lallemand, Australia

Session 9 Chair: Prof. Wayne Bryden – University of Queensland, Australia

Speaker:
Alison Leary
Australia
14:20hs
2/12/2025
14:30hs
2/12/2025
Comparison of litter, moisture and friability scores to moisture content

Dr Mark Dunlop – Department of Primary Industries, Australia

Speaker:
Mark Dunlop
Australia
Research
14:30hs
2/12/2025
14:40hs
2/12/2025
Catching method does not impact the pre-slaughter mortality of meat chickens

Dr Peta Taylor – The University of Melbourne, Australia

Speaker:
Peta Taylor
Australia
14:40hs
2/12/2025
14:50hs
2/12/2025
Feather-directed behaviours are context-specific and likely have varying impacts on meat chicken breeder welfare

Dr Peta Taylor – The University of Melbourne, Australia

Speaker:
Peta Taylor
Australia
14:50hs
2/12/2025
15:00hs
2/12/2025
Avian Influenza in Australia – past, present and future

Dr Frank Wong – CSIRO, Centre for Disease Preparedness, Australia

15:00hs
2/12/2025
15:40hs
2/12/2025
Student awards and closing of the symposium

Mingan Choct Award for Best Oral Presentation presented by Prof. Tamsyn Crowley – Poultry Hub Australia. PRF Award for Best Student Poster presented by Assoc. Prof. Sonia Liu.

Final closing remarks and thank you to Sponsors and Media Partners by Professor Eugeni Roura – WPSA (Australian Branch).

Speaker:
Dr Sonia Yun Liu
Australia
Animal Nutritionist
Eugeni Roura
Australia
15:40hs
2/12/2025
16:00hs
2/12/2025
Afternoon Tea
16:00hs
2/12/2025