A dietary modification approach to improve the osmoregulatory capacity of Litopenaeus vannamei cultured in the Arizona desert

By H. Gong, D. Jiang, D. Lightner, C. Collins, D. Brock. 2004

128 citations recorded by the source corpus.

A modified diet was formulated for Arizona inland shrimp farming and tested as a method for reducing moult-associated mortalities presumed due to trace mineral deficiencies. The experimental diet was supplemented with additional dietary magnesium, potassium, phospholipids and cholesterol to a commercial shrimp feed (Rangen 45/10, which was also used as the control diet). The modified diet was tested at Arizona Mariculture Associates (AMA), while the control diet was used at a nearby inland shrimp farm, Desert Sweet Shrimp Farm (DSSF). Both feeds were used throughout the culture season of 2001. Earthen pond-reared Litopenaeus vannamei at intermoult stages (C-D0) and ranging from 7 to 30 g were sampled at intervals for determination of haemolymph osmolality (HO). Results showed that the modified diet had not only resulted in larger size shrimp at harvest, but also improved osmoregulatory capacity (OC). HO of DSSF shrimp decreased as shrimp grew bigger, whereas HO of AMA shrimp was maintained at a stable level, or showed a slightly positive linear relationship with weight. The hyperOC of shrimp from AMA (462 mOsm kg )1 ) was greater than that from DSSF (398 mOsm kg )1 ). Shrimp at AMA fed the experimental diet presented no mass moult-associated mortalities. To further investigate the iso-osmotic point of shrimp reared in AMA, a group of six salinity gradients were designed by mixing oceanic salts into the well water to form 5, 8.5, 11.4, 14.4, 17.8, 20.7 p.p.t. medium. HO of subadult shrimp (25 g in average) were then evaluated 48 h after they had been transferred from 5 p.p.t. pond water to the medium. Shrimp HO increased with external salinity, and a plateau formed as salinity reached at 11.4 p.p.t. and higher. The iso-osmotic point of shrimp was estimated to be 695.5 mOsm kg )1 , equivalent to 26.1 p.p.t. in AMA well water.

Subfields: Aquatic Science, Ecology, Nature and Landscape Conservation

View Paper: https://www.semanticscholar.org/paper/e47486e3ccf36befc27c91c7e4f4814c3e9fbcd7

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In Aquatic Science

1. Chaoshu Zeng
2. N. Romano
3. K. Thompson
4. Vikas Kumar
5. D. Davis
6. J. Tidwell

In Ecology

1. N. Romano
2. Chaoshu Zeng
3. Katherine A. Sloman
4. D. Davis

In Nature and Landscape Conservation

1. Katherine A. Sloman
2. D. Davis
3. Chaoshu Zeng

Citations in the corpus

• Osmoregulation in decapod crustaceans: Implications to aquaculture productivity, methods for potential improvement and interactions with elevated ammonia exposure (2012, background): “In one of these studies, Gong et al. (2004) cultured L.”
• Shrimp culture in inland low salinity waters. (2010, background): “vannamei reared in low salinity waters in Arizona (Gong et al. 2004).”
• The effects of salinity on the survival, growth and haemolymph osmolality of early juvenile blue swimmer crabs, Portunus pelagicus (2006, unknown): “Interestingly the majority of sustained deaths in all salinity treatments were due to “molt death syndrome” (MDS), which has been previously linked with high temperatures, genetic factors (Rouse and Kartamulia, 1992) and inadequate nutrition (Bowser and Rosemark, 1981; Gong et al., 2004).”
• Non-commercial Research and Educational Use including without Limitation Use in Instruction at Your Institution, Sending It to Specific Colleagues That You Know, and Providing a Copy to Your Institution's Administrator. All Other Uses, Reproduction and Distribution, including without Limitation Comm (2005, unknown): “A discriminative approach to robust visual place recognition, in: Proceedings of the IEEE/RSJ International Conference on Intelligent Robots and Systems, IROS'06, Beijing, China, October 2006.”
• The importance of behaviour in improving the production of shrimp in aquaculture (2018, background): “In L. vannamei the osmoregulatory 700 ability is better in juvenile phases, mostly at low salinities, declining naturally when they 701 reach subadult or adult stages (Gong et al. 2004; Bett & Vinatea 2009).”
• Metabolism and Nutritive Role of Cholesterol in the Growth, Gonadal Development, and Reproduction of Crustaceans (2018, background): “However, because cholesterol as well as sodium and potassium were also supplemented in the same diets, these were acknowledged as potentially having a positive effect on the shrimp (Gong et al., 2004).”