Effects of Four Different Feeding Techniques on the Pond Culture of Pacific White Shrimp, <scp><i>Litopenaeus vannamei</i></scp>

Ullman, Carter; Rhodes, Melanie; Hanson, Terrill R.; Cline, David; Davis, D. Allen

doi:10.1111/jwas.12531

Cited by 33 publications

(26 citation statements)

References 13 publications

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“…There are conflicting reports of how many feeding per day improves growth, Robertson, Lawrence, and Castille () found significant improvement from 1 to 2 or 4 feedings per day, Velasco, Lawrence, and Castille () reported increasing above 4 feedings per day did not improve growth. However, Ullman, Rhodes, Hanson, Cline, and Davis () proved growth was improved significantly when fed six times daily compared with two times daily. The speculation is the increased feeding frequency results in higher nutritional value of feed due to the reduction of nutrient leaching.…”

Section: Percent Of the Standard Feeding Protocol Fed To Each Treatmementioning

confidence: 99%

The effects of feed leaching on the growth of Pacific white shrimp Litopenaeus vannamei in a green‐water tank system

2019

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Section: Percent Of the Standard Feeding Protocol Fed To Each Treatmementioning

confidence: 99%

The effects of feed leaching on the growth of Pacific white shrimp Litopenaeus vannamei in a green‐water tank system

2019

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“…Note that Diet 3 was formulated to be used in both series. In addition, we added another reference, FM-free shrimp diet produced by Zeigler Bros, Inc., as a benchmarking treatment (Diet 8), which has an equivalent formulation and proximate composition as reported by Ullman, Rhodes, Hanson, Cline, and Davis (2017).…”

Section: Experimental Dietsmentioning

confidence: 99%

Using high protein distiller's dried grain product to replace corn protein concentrate and fishmeal in practical diets for the Pacific white shrimp Litopenaeus vannamei

Guo

Reis

Salze

et al. 2019

J World Aquaculture Soc

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An 8‐week growth trial was conducted to evaluate the use of a high protein distiller's dried grain (HPDDG, NexPro®, Flint Hills Resources, LP, Wichita, KS) on the growth performance of juvenile Pacific white shrimp Litopenaeus vannamei. In the growth trial, graded levels of HPDDG (0.00, 10.00, 15.00, and 20.00%) were used to replace corn protein concentrate (CPC: 12.60, 6.30, 3.15, and 0.00%) or fishmeal (FM: 17.40, 9.79, 6.00, and 2.21%). A commercially produced open‐feed formulation was also included in the trial as a reference. Each diet was randomly assigned to four replicate groups of 30 shrimp stocked in 0.8 m3 culture tanks. Under green water conditions, in the presence of natural foods, the results indicated that growth performance and feed conversion ratio were not statistically influenced by increasing levels of HPDDG when used to replace CPC. The FM replacement series trial results showed that shrimp fed a diet with 20% HPDDG exhibited significantly decreased trend of biomass. Results of this study demonstrate that HPDDG is a good protein source, and 20% HPDDG can be used to replace CPC in shrimp diets, or up to 15% when replacing FM.

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“…Other work showed that increasing feed allowance does not enhance shrimp performance. In a recent study, Ullman et al (2019) found that increasing feed rations by 15% when feeding twice a day results in no advantage to L. vannamei performance. Shrimp were fed a 375 g kg −1 CP feed, but the amino acid composition was not reported.…”

Section: Discussionmentioning

confidence: 97%

Increasing feed allowance in low-fish meal diets allows for a reduction in dietary methionine for juvenile Litopenaeus vannamei raised in green-water tanks

et al. 2019

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A 10-week study was conducted to evaluate the effect of feed allowance and graded levels of dietary methionine (Met) on growth performance of Litopenaeus vannamei. Juvenile shrimp of 1.83±0.14 g were stocked in 42 outdoor green-water tanks of 1 m 3 under 120 shrimp m −2. Animals were fed under two feed allowances, regular and 30% in excess. Five diets with 30 g kg −1 fishmeal were designed to contain 318±2 g kg −1 crude protein and a minimum amount of protein-bound Met. To achieve graded levels of dietary Met, a control diet with 4.6 g kg −1 Met or 8.9 g kg −1 methionine + cysteine (M+C) was supplemented with 1.2, 2.2, 3.2, and 4.2 g kg −1 of DL-methionyl-DL-methionine to result in total dietary Met of 5.6, 6.9, 7.9, and 9.2 g kg −1 (10.0, 11.2, 12.1, and 13.5 g kg −1 M+C, respectively). A final survival of 86.5±3.6% was reached with no significant influence from feed allowance or dietary Met. Feed inputs significantly affected apparent feed intake, weekly shrimp growth, final body weight (BW), and gained yield. Larger meals and a higher dietary Met had no impact on feed conversion ratio. There was a significant interaction between feed allowance and Met over shrimp BW. By feeding animals in excess, BW was enhanced at 6.9 g kg −1 Met. A dietary Met of 7.9 g kg −1 was required to achieve a maximum BW under a regular feed allowance. Thus, shrimp required less amounts of dietary Met to maximize BW when higher feed inputs were delivered. Our findings demonstrate a sparing effect of dietary Met for L. vannamei when a higher feed allowance is adopted. Shrimp farmers should consider adjusting feed allowance to dietary Met to maximize shrimp growth performance and yield.

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Effects of Four Different Feeding Techniques on the Pond Culture of Pacific White Shrimp, Litopenaeus vannamei

Cited by 33 publications

References 13 publications

The effects of feed leaching on the growth of Pacific white shrimp Litopenaeus vannamei in a green‐water tank system

The effects of feed leaching on the growth of Pacific white shrimp Litopenaeus vannamei in a green‐water tank system

Using high protein distiller's dried grain product to replace corn protein concentrate and fishmeal in practical diets for the Pacific white shrimp Litopenaeus vannamei

Increasing feed allowance in low-fish meal diets allows for a reduction in dietary methionine for juvenile Litopenaeus vannamei raised in green-water tanks

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