ASAP conferences traditionally have four memorial lectures:

The Barnett Memorial Lecture: to honour Associate Professor J.L. (John) Barnett (1949–2009), BSc (Zool)(Hons)(Sheffield), PhD (Monash). John was nationally and internationally recognised for his outstanding contributions to stress physiology and stress-related problems of animal welfare. Over 30 years, his research provided a timely balance on discussions for the scientific assessment of animal welfare and its interpretations.

The Harry Stobbs Memorial Lecture:  in recognition of Harry Stobbs pioneering research on pasture/animal interactions and his efforts to improve communication between farmers and scientists.

The McClymont Memorial Lecture: to honour Professor G.L. (Bill) McClymont, AO, BVSc(Syd), PhD(Cantab), DRurSc (UNE, Honoris Causa), FAIAS, FASAP, Foundation Professor (1955 to 1976) of Rural Science at the University of New England, and a pioneer in the development and application of ecological principles to the teaching and practice of agriculture.

The Underwood Lecture: in honour of Professor E.J. (Eric) Underwood, AO, CBE, BSc(Agric)(Hons)(WA), PhD(Cantab), Hon. DRurSc(UNE), Hon. DSc(Wis), Hon. DSc(Agric)(WA), Hon. DSc(Melb), FRS, FAA, FFA, FAIAS, FASAP, Hon. FACVS. Agricultural Scientist 1905 to 1980.