About

Waldo’s research interest revolves around nutrition and physiology of commercial aquaculture species. This involves understanding how production strategies and environmental stressors impact growth efficiency, health and product quality, and developing new feeding strategies accordingly. This implies collaborating with industry partners in the evaluation and development of novel feed ingredients and additives and in the transfer of research findings into commercial application. One of his major interests is the use of proteomics technologies to approach nutritional research and in particular to identify molecular changes and biomarkers associated with gut health.

Trained in Spain (DVM, University of Zaragoza), Canada (MSc, University of Saskatchewan) and Australia (PhD, University of Tasmania), Waldo has 12 years of combined academic and industry experience in animal nutrition with focus on aquaculture species. As a new lecturer at JCU, he is excited about providing students with hands-on learning experience and understanding of the importance of the industry-academia interface. 

Teaching
  • AQ3008: Aquaculture: Systems Design (Level 3; TSV)
  • AQ5002: Aquaculture: Feeds and Nutrition (Level 5; TSV)
  • AQ5008: Aquaculture: Systems Design (Level 5; TSV)
  • AQ5802: Aquaculture: Nutrition and Feeding Practices (Level 5; TSV)
  • AQ5808: Aquaculture: Systems Design and Operation (Level 5; TSV)
  • MB2080: Invertebrate Biology (Level 2; TSV)
  • MB5380: Invertebrate Biology (Level 5; TSV)
Socio-Economic Objectives
Publications

These are the most recent publications associated with this author. To see a detailed profile of all publications stored at JCU, visit ResearchOnline@JCU. Hover over Altmetrics badges to see social impact.

Journal Articles
Other research outputs
Current Funding

Current and recent Research Funding to JCU is shown by funding source and project.

Fisheries Research & Development Corporation - Annual Competitive Round

Assessing the nutritional quality in Australian barramundi

Indicative Funding
$16,000
Summary
To assess the variability in nutrient composition, specifically omega-3 long-chain polyunsaturated fatty acids (n-3 LC-PUFA) and minerals, in the fillet of farmed Australian barramundi (Lates calcarifer). This information will be used by the barramundi industry to market the health benefits of its farmed product.
Investigators
Waldo Nuez-Ortin and Dean Jerry in collaboration with Justin Forrester and Jo-Anne Ruscoe (College of Science & Engineering, Coral Coast Barramundi and Australian Barramundi Farmers Association)
Keywords
barramundi (Lates calcarifer); Omega 3; Aquaculture

Fisheries Research & Development Corporation - Annual Competitive Round

Real time monitoring of water quality and mechanisation of pond management to boost productivity and increase profit

Indicative Funding
$17,960
Summary
the cost of electricity to driver pond aerators is one of the lmajor costs of barramundi production. This project looks at the use of oxygen sensors linked to controllers that switch on and off paddlewheels once oxygen levels reach 80o% saturation. The effects of the controllers on cost of electrifcity use, and the pond ecosystem including nutrient levels, algae compositon and metals will be assessed. The project will deliver an understanding if electricity costs can be reduced using controllers without reducing production or adversely affecting the pond environment.
Investigators
Dean Jerry, Waldo Nuez-Ortin, Sam Penglase and Clement Pissoat (College of Science & Engineering)
Keywords
Barramundi (Lates calcarifer); Aquaculture; production efficiency

Ridley AgriProducts Pty Ltd - Contract Research

Optimal dietary digestible protein to energy ratios in White Banana Prawns (Fenneropenaeus merguiensis) as affected by temperature

Indicative Funding
$10,000
Summary
The objective of this project is to determine the optimum dietary P (protein) : E (energy) ratio for Banana prawns at two different temperatures. Two feeding trials of 42 days each (November-December and December-January) will be conducted at MARFU to determine the optimal digestible P:E ratios at 25 degrees C and 30 degrees C, respectively. This information will optimize the quality of formulated feed for Banana ;prawns and will reveal whether dietary adjustments are required during the winter season.
Investigators
Waldo Nuez-Ortin and Carlos Garcia Hernandez (College of Science & Engineering)
Keywords
qaquaculture nutrition; white banana prawn; nutrient requirements
Supervision

These Higher Degree Research projects are either current or by students who have completed their studies within the past 5 years at JCU. Linked titles show theses available within ResearchOnline@JCU.

Current
  • Development of Captive Breeding Techniques for two Marine Ornamental Fish: Rainfordi's Goby Koumansetta Rainfordi, and the Coral Sea Fairy Wrasse Cirrhilabrus Bathyphilus (PhD , Secondary Advisor)

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Email
Location
  • 32.015, Sir George Fisher Research Building (Townsville campus)
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