DRAFT Program

DAY 1: Monday 9th February 2026

	POULTRY WELFARE AT THE FOREFRONT Session 1 Chair: TBA
13.20- 14.00	TRENDS, STANDARDS AND RESEARCH DIRECTIONS FOR THE FUTURE OF LAYING HEN WELFARE *Prof. Tina Widowski – University of Guelph, Canada*
14.00- 14.10	FROM NOISE TO INSIGHT: LISTENING TO CONSUMERS ON POULTRY WELFARE Dr Chien Duong – Curtin University, Australia
14.10- 14.20	REDUCING FEAR AND RISK OF PECKING IN POULTRY: WHAT ROLE CAN SENSORY PLANT EXTRACTS PLAY? Dr Jean-François Gabarrou – Laboratoires Phode, France
14.20 – 15.00	RESILIENCE BEFORE RESTRICTION: INTEGRATING EARLY-LIFE EXPERIENCE, NUTRITION AND INDIVIDUAL VARIATION IN BROILER BREEDERS *Dr Peta Taylor* *– University of Melbourne, Australia*

15.15- 15.45	AFTERNOON TEA Level 2 Concourse, University of Sydney – Belinda Hutchinson Building

	REVISITING AMINO ACID NUTRITION & FORMULATION Session 2 Chair: TBA
15.45- 16.25	THREE DECADES LATER: FEED FORMULATION FLEXIBILITY REALIZED *Professor Michael Kidd* *– University of Arkansas, USA*
16.25-16.35	INTRINSIC AMMONIA: AN UNACKNOWLEDGED CHALLENGE Dr Peter Selle – The University of Sydney, Australia
16.35- 16.45#	L-ALANINE, L-CYSTEINE, L-HISTIDINE AND L-TYROSINE INCREASE LACTOBACILLUS SALIVARIUS, L. RETEURI AND L PARACASEI GROWTH Mr. David Chau – University of Queensland, Australia
16.45- 16.55#	NON-BOUND AMINO ACIDS AND ALTERNATIVE INGREDIENTS TO REPLACE SOYBEAN MEAL IN WHEAT, SORGHUM OR BARLEY-BASED BROILER DIETS Ms Yutong Fu – The University of Sydney, Australia
16.55- 17.05#	WHEAT CRUDE PROTEIN LEVELS IMPACT GROWTH PERFORMANCE AND GUT ENVIRONMENT IN BROILERS Mr Damilola Kareem– The University of Sydney, Australia
17.05- 17.15#	THE EFFECT OF USING AN OPTIMALLY PRESSED CANOLA MEAL ON GROWTH PERFORMANCE, VISCERAL ORGAN WEIGHTS AND GUT MORPHOLOGY OF BROILER CHICKENS Ms Yee Ling Enyu – Soon Soon Oilmills, Malaysia

17.30- 20.00

POSTER SESSION inc. CANAPES & DRINKS
Level 2, University of Sydney – Belinda Hutchinson Building

Poster Presentations – working on it

*POSTERS:*
1# THE RELEVANCE OF STARCH AND PROTEIN DIGESTIVE DYNAMICS ON BROILER PERFORMANCE: A META-ANALYSIS	Mrs. Mengzhu Wang – The University of Sydney, Australia
2 IN VITRO XYLO-OLIGOSACCHARIDE RELEASE AND IN VIVO CAECAL SHORT-CHAIN FATTY ACID LEVELS IN BROILERS FED WHEAT- OR MAIZE-BASED DIETS	Dr. Eunjoo Kim – The University of Sydney, Australia
3 DOSE RESPONSE EFFECTS OF LYSOLECITHIN IN A LOW ENERGY DIET ON GROWTH PERFORMANCE AND PROFITABILITY OF BROILER	Mr. Matthew Oldnall – Pathway Intermediates Limited, United Kingdom
4 IMPACT OF WHEAT PARTICLE SIZE IN REDUCED SOYBEAN MEAL DIETS ON BROILER PERFORMANCE	Mr. Milan Kandel – The University of Sydney, Australia
5# IMPROVING AN IN VITRO DIGESTION MODEL TO EVALUATE FEED INGREDIENTS IN BROILER CHICKENS	Miss Xueping Jing – The University of Sydney, Australia
6 VALIDATION OF A NEW NIRS APPROACH TO ESTIMATE METABOLIZABLE ENERGY IN BROILER DIETS	Dr Bing Guo – Adisseo Asia Pacific Pte Ltd, Singapore
7 THE IMPACT OF IN OVO FEEDING OF L-ARGININE AND SELENIUM NANOPARTICLES ON GROWTH, MUSCLE DEVELOPMENT, AND ANTIOXIDANT STATUS IN SLOW-GROWING CHICKENS	Dr. Pramin Kaewsatuan – Kasetsart University, Thailand
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DAY 2: Tuesday 10th February 2026

7:30- 8:30	REGISTRATION FOR LATE OR TUESDAY ONLY REGISTRANTS Level 2 Concourse, University of Sydney – Belinda Hutchinson Builidng

8.25- 8.30	DAY 2 – Housekeeping Auditorium B2010 Basement Level, University of Sydney – Belinda Hutchinson Building

	MANAGING ANTIBIOTIC-FREE PRODUCTION AND GUT HEALTH Session 3 Chair: Associate Professor Reza Barekatain – The University of Sydney, Australia
8:30- 9:10	ALTERNATIVES TO ANTIBIOTICS: STATE OF THE ART AND FUTURE PERSPECTIVES *Emeritus Prof Richard Ducatelle – Ghent University, Belgium*
9:10- 9:20	AN INNOVATIVE, NON-INVASIVE METHOD TO ASSESS GUT HEALTH IN BROILERS Dr. Madri Brink – Orffa Additives BV, Belgium
9:20- 9:30	A COMBINATION OF POSTBIOTICS AND PHYTOGENICS DRIVES BROILER PERFORMANCE GAINS Miss Lorran Baeumle Garbardo – Cargill, Thailand
9:30- 9:40#	PHYTOGENIC SUPPLEMENTATION ENHANCES PERFORMANCE, INTESTINAL HISTOMORPHOLOGY, AND INFLAMMATORY RESPONSE IN NECROTIC ENTERITIS CHALLENGED BROILERS Mrs Most Khairunnesa – University of New England, Australia
9.40- 9.50	INVESTIGATING THE COMPLEX PATHOBIOME OF ENTEROCOCCAL SPONDYLITIS: EVIDENCE FOR COINFECTION AND DIAGNOSTIC CHALLENGES IN AUSTRALIAN POULTRY Dr Sung Yu – Central Queensland University, Australia
9.50- 10.00	CLOSTRIDIUM PERFRINGENS ENZYMES SIALIDASE, CHITINASE AND COLLAGENASE EXERT A CONCERTED ACTION IN INITIATING NECROTIC ENTERITIS Prof. Filip van Immerseel – Ghent University, Belgium
10.00- 10.10	PATHOGENIC ENTEROCOCCUS CECORUM CAUSING BACTERIAL CHONDRONECROSIS WITH OSTEOMYELITIS DIFFER FROM COMMENSAL STRAIN IN GENETIC MAKE-UP AND PHENOTYPIC CHARACTERISTICS Prof. Filip van Immerseel – Ghent University, Belgium

10.30- 11.00	MORNING TEA Level 2 Concourse, University of Sydney – Belinda Hutchinson Building

	ARTIFICIAL INTELLIGENCE AND POULTRY PRODUCTION Session 4 Chair: (TBA)
11.00- 11.40	DATA-DRIVEN POULTRY PRODUCTION: A UNIFIED FRAMEWORK FOR REAL-TIME DIGITALIZATION, IOT INTEGRATION, AND LLM- ASSISTED INSIGHTS FOR PREDICTIVE FARM MANAGEMENT *Dr Naemat Eltazi – PoultrySync, Egypt*
11.40- 11.50#	EXPLORING RISK FACTORS FOR FLOOR EGG PRODUCTION IN CAGE-FREE LAYER FLOCKS Miss Ruby Putt – The University of Sydney, Australia
11.50- 12.00#	INCREASED HEPATIC FATTY-ACID β-OXIDATION MAY EXPLAIN THE REDUCED FEED INTAKE IN BROILER CHICKENS FED HIGH CANOLA MEAL DIETS Ms Shay Sadr – The University of Sydney, Australia
12.00- 12.10	IMPACT OF A STIMBIOTIC FEED ADDITIVE ON MICROBIOME MODULATION AND SKIN PIGMENTATION IN BROILER Dr Xaviere Rousseau – AB Vista, UK
12.10- 12.20#	SUBSTRATE TYPE INFLUENCES IN VITRO CECAL FERMENTATION IN 7-DAY-OLD CHICKS: GUIDANCE FOR DIET ADJUSTMENT DURING THE EARLY-LIFE STAGE Miss Shuyu Yang – University of Queensland, Australia
12.20- 12.30	ASSESSING THE IMPACT OF PROBIOTIC INTERVENTION ON BACTERIAL CHONDRONECROSIS WITH OSTEOMYELITIS (BCO) LAMENESS INCIDENCE IN BROILER CHICKENS Mr Antoine Meuter – Novonesis, France
	Recognition of Sponsorship Milestones by Ms. Lisa Jamieson and Mr. Richard Browning, PRF Executive
12.45- 14.00	LUNCH Level 2 Concourse, University of Sydney – Belinda Hutchinson Building
13.00- 14.00	WPSA AGM Seminar Room 2020, University of Sydney – Belinda Hutchinson Building

	FEED ADDITIVES Session 5 Chair: Ms Amanda Olthof – AgriFutures
14.00- 14.10#	BACTERIAL XYLANASE SUPPLEMENTATION ENHANCES GROWTH PERFORMANCE, NUTRIENT DIGESTIBILITY, INTESTINAL BARRIER FUNCTION AND MICROBIOMES COMPOSITION IN BROILERS Ms Banjaphorn Phusathian – Kasetsart University, Thailand
14.10- 14.20	EVALUATION OF COPPER SOURCE AND DOSE ON PHYTASE EFFICACY IN YOUNG BROILERS Dr David Cadogan – Feedworks, Australia
14.20- 14.30	IMPROVING RED SORGHUM UTILISATION IN BROILER CHICKENS USING EXOGENOUS ENZYMES OR A REDUCING AGENT Dr Eunjoo Kim – The University of Sydney, Australia
14.30- 14.40	KINETICS AND LOCALIZATION OF SPORE GERMINATION AND OUTGROWTH OF A BACILLUS-BASED PROBIOTIC IN AN IN-VITRO MODEL OF THE POULTRY GASTROINTESTINAL TRACT Mr Lukas Bauer – Evonik, Germany
14.40- 14.50	BUTYRIC AND VALERIC GLYCERIDES BLEND AND ESSENTIAL OILS IMPROVED BROILER PERFORMANCE AND INTESTINAL MORPHOLOGY Dr Alex Wu – Perstorp, Singapore
14.50- 15.00	MYCOTOXINS AND CONCURRENT STRESSORS: A COMBINATION OF CONCERNS IN COMMERCIAL BROILER PRODUCTION AND THE POTENTIAL EFFECTIVENESS OF A DETOXIFIER Mr Michele Muccio – Innovad Group, Belgium
15.00- 15.10	BENEFICIAL IMPACT OF ESSENTIAL OIL SUPPLEMENTATION ON GROWTH PERFORMANCE, MEAT QUALITY, AND GUT MICROBIOTA IN COMMERCIAL BROILER CHICKENS Dr Elham Asadi Soumeh – University of Queensland, Australia
15.10- 15.20	XYLANASE SUPPLEMENTATON IN REDUCED ENERGY BROILER DIETS WITH VARYING WHEAT- CORN RATIOS: EFFECTS ON GROWTH PERFORMANCE Dr Thi Thanh Hoai Nguyen – University of Queensland, Australia

15.30- 16.00	AFTERNOON TEA Level 2 Concourse, University of Sydney – Belinda Hutchinson Building

DAY 3: Wednesday 11^th February 2026

8.00- 8.55	REGISTRATION FOR LATE OR WEDNESDAY ONLY DELEGATES Level 2 Concourse, University of Sydney – Belinda Hutchinson Building

8.55- 9.00	DAY 3 Housekeeping Auditorium B2010, Basement Level, University of Sydney – Belinda Hutchinson Building

	LATEST TECHNOLOGIES IN POULTRY NUTRITION Session 7 Chair: (TBA)
9.00- 9.40	OPTIMISING THE CALCIUM AND PHOSPHORUS NUTRITION OF BROILERS USING BLOOD METABOLOMICS *Prof . Aaron Coweison – DSM-Firmenich, Scotland*
9.40- 9.50#	EXCESS ARGININE INJECTED IN OVO DISRUPTS NUTRIENT TRANSPORT AND DETOXIFICATION PATHWAYS IN BROILER CHICKS Ms Nadeera Disanayaka – University of Queensland, Australia
9.50- 10.00	PROTEIN SOURCE AND STARCH-PROTEIN DIGESTIVE DYNAMICS SHAPE GUT MICROBIOTA AND GROWTH IN BROILER CHICKENS Dr Jiasui Li – The University of Sydney, Australia
10.00- 10.10	EVALUATION OF MODEL FOR PREDICTION OF RAW MATERIAL METABOLISABLE ENERGY FOR BROILER Dr Pierre Cozannet – Adisseo, France
10.10- 10.20	AN EVOLUTION IN MYCOTOXIN MITIGATION: TOWARD A HOLISTIC AND ROBUST MULTI-MODEL STRATEGY Dr Alexandros Yiannikouris – Alltech Lienert, Australia

10.30- 11.00	MORNING TEA Level 2 Concourse, University of Sydney – Belinda Hutchinson Building

	LAYING HENS AND BREEDER NUTRITION Session 8 Chair: (TBA)
11.00- 11.40	STRATEGIES TO OPTIMIZE ENERGY UTILIZATION IN MODERN LAYING HENS TO EXTENDED EGG PRODUCTION *Prof. Mike Persia – Virginia Tech, USA*
11.40- 11.50	DEVELOPMENTS TOWARDS PRECISION NUTRITION FOR POULTRY Dr Amy Moss – University of New England, Australia
11.50- 12.00#	REDUCING DIETARY CRUDE PROTEIN ENHANCES ILEAL AMINO ACID DIGESTIBILITY AND DECREASES CECAL MICROBIAL DIVERSITY IN BROILER BREEDERS Mr Bipul Chandra Ray – University of Queensland, Australia
12.00- 12.10#	THE EFFECTS OF ARGININE, GUANIDINOACETIC ACID AND CITRULLINE SUPPLEMENTATION IN REDUCED PROTEIN DIETS IN AGED LAYING HENS Mr Aamir Nawab – University of New England, Australia
12.10- 12.20	EFFECTS OF A COMMERCIAL TRIPLE-STRAIN BACILLUS-BASED PROBIOTIC ON EGG QUALITY, PERFORMANCE, WELFARE AND LIVABILITY OF LAYING HENS Dr In Sun Yu – Novonesis, Thailand
12.20-12.30	EFFECTS OF ENERGY AND LYSOLECITHIN LEVELS ON EGG PRODUCTION, PRODUCTIVE PERFORMANCE AND FAT DEPOSITION ON POST-PEAK BROILER BREEDERS Mr Matthew Oldnall – Pathway Intermediates Limited, UK
12.30- 12.40#	ANAEROBIC AND TWO-STAGE BACILLUS SUBTILIS FERMENTATION IMPROVE IN VITRO DIGESTIBILITY OF SUNFLOWER MEAL FOR POTENTIAL USE IN POULTRY FEED Mr Ahmed Abdulrahman – University of Reading, UK

13.00- 14.00	LUNCH Level 2 Concourse, University of Sydney – Belinda Hutchinson Building

	HEALTH AND DISEASES Session 9 Chair: (TBA)
14.00- 14.10	PATHOGENESIS AND REPLICATION OF AVIAN HEPATITIS E IN CHICKENS Prof. Kapil Chousalkar – Adelaide University, Australia
14.10- 14.20	THE SWEET CHALLENGE: PASTEURELLA MULTOCIDA LPS VARIATION AND FOWL CHOLERA CONTROL Dr Lida Omaleki – University of Queensland, Australia
14.20- 14.30	USING PLANT-DERIVED SOLUTIONS AS ANTIBACTERIAL AGENTS FOR HATCHING EGGS Dr Gabriel de Silva Oliveira – University of Brasília, Brazil
14.30- 14.40	DIFFERENTIAL DETECTION OF ASCARIDIA GALLI AND HETERAKIS GALLINARUM EGGS IN INTESTINAL AND CAECAL DROPPINGS OF FLOOR HOUSED LAYING HENS Dr Teka Dewo – University of New England, Australia
14.40- 14.50	RECENTLY DETECTED INFECTIOUS BRONCHITIS VIRUS STRAINS SHOW POOR PROTECTION CONFERRED BY VACCINES IN AUSTRALIAN FREE-RANGE LAYER FLOCKS Dr Jose Quinteros – The University of Sydney, Australia
14.50- 15.00	FLYING UNDER THE IMMUNE RADAR: WHAT DUCKS REVEAL ABOUT POULTRY RESPONSES TO INFLUENZA A VIRUSES Dr Lee Campbell – The University of Sydney, Australia
15.00- 15.40	VACCINATION FOR H5N1 PREPAREDNESS *Prof. Kirsty Short – University of Queensland, Australia*

15.40- 16.00	STUDENT AWARDS AND CLOSING OF THE SYMPOSIUM Mingan Choct Award for Best Oral Presentation presented by Poultry Hub Australia. PRF Award for Best Student Poster presented by Assoc. Prof. Reza Barekatain. Final closing remarks and thank you to Sponsors and Media Partners by Professor Eugeni Roura – WPSA (Australian Branch)

16.00- 16.30	AFTERNOON TEA Level 2 Concourse, University of Sydney – Belinda Hutchinson Building

9.00- 12:00	REGISTRATION Level 2 Concourse, University of Sydney – Belinda Hutchinson Building

9:30- 12:00	Student/Industry “Meet and Greet” Mentors will be invited from relevant industry sectors and early career researchers that attend APSS 2026 will be encouraged to attend the networking function. Professors Roura and Walkden-Brown 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. Proudly Sponsored by:

12:00- 13.00	LUNCH Level 2 Concourse, University of Sydney – Belinda Hutchinson Building

13.00- 13.15	OPENING OF THE SYMPOSIUM Auditorium B2010 Basement Level, University of Sydney – Belinda Hutchinson Building The president of the PRF, Ms. Lisa Jamieson will welcome delegates and introduce the Pro Vice Chancellor (Research Enterprise) Professor Antoine van Oijen from The University of Sydney to formally open the symposium.

	INTERPLAY BETWEEN ENERGY AND AMINO ACIDS Session 6 Chair:(TBA)
16.00- 16.40	OPTIMISING ENERGY AND AMINO ACID DENSITY IN MODERN BROILER DIETS: IMPLICATIONS FOR PERFORMANCE, NUTRIENT DIGESTIBILITY, NUTRIENT EXCRETION, AND FEED COST EFFICIENCY Dr Mehdi Toghyani – The University of Sydney, Australia
16.40- 16.50#	INTERACTIVE EFFECT OF LYSINE TO ENERGY RATIO AND FEED PHYSICAL CHARACTERISTICS IN STARTER DIETS ON BROILER GROWTH Miss Deng Zhan – The University of Sydney, Australia
16.50- 17.00#	OPTIMISING ENERGY DENSITY IN BROILER DIETS USING A CENTRAL COMPOSITE DESIGN Mr Hamza Khan – Massey University, New Zealand
17.00- 17.10#	INFLUENCE OF ENERGY LEVEL AND PARTICLE SIZE ON PERFORMANCE, NUTRIENT DIGESTIBILITY, AND GUT DEVELOPMENT IN BROILER STARTERS FED MAIZE-BASED DIETS Mr Mikael Sihite – Massey University, New Zealand

18.00- 23.00	SYMPOSIUM DINNER STARSHIP SYDNEY – HARBOUR CRUISE Bus transfers have been arranged to leave from Belinda Hutchinson Building, Nesuto (Bus Stops on APSS2026 Google Map) & 4 Points by Sheraton @ 6:30pm for No. 4 King Street Wharf to board Starship @7pm sharp. Please ensure you are at an appropriate meeting place at least 15 mins prior to departure to begin loading the buses or meet us at the wharf. Dress Code: Smart Casual Proudly sponsored by: Shandong Longchang Animal Health Product Co.,Ltd

When:

Where:

2026 Sponsors