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Sergii Vilenovich
independent consultant on technologies for growing shrimp at RAS
Asked a question 2 years ago

tell me the amount of oxygen consumption by a shrimp weighing 20 grams

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Hi Sergii,

Oxygen consumption of Penaeus vannamei is influenced by environmental factors such as (1) the combination of salinity and temperature in relation to (2) body size and (3) health condition of the shrimp e.g. presence of gill associated disease problems manifested by gill lamellar hypertrophy, hyperplasia, and fusion, branchial necrosis, and melanization whether localize or diffuse, unilateral or bilateral.

https://www.scielo.br/scielo.php?pid=S1679-87592009000400005&script=sci_arttext36 (Ctistei Bett and Luis Vinatea, 2009)

Also (4) depending on the activity of Penaeus vannamei, it will either consume more oxygen or consume less, e.g. shrimp that is swimming actively against the current in front of the paddlewheel will have more oxygen consumption than a shrimp at rest in the corner of the pond. Then too, the shrimp will consume more oxygen during feeding frenzy when the shrimp are hyperactive and fighting over the feeds using their 3rd pair of walking legs especially in high-density stocked ponds where space is limited.

Nelson

Sergii Vilenovich
independent consultant on technologies for growing shrimp at RAS

Ladies and gentlemen !

according to the literature, there is a very significant discrepancy in the data on oxygen consumed by shrimp 20 grams from 1.5 to 90 mg / О2 / g / h

Tell me when calculating planting density who uses what data

will share - thanks in advance