Acoustic characterization of feeding activity of Litopenaeus vannamei in captivity

Silva, José Filipe; Hamilton, Santiago; Rocha, João Victor Ritinto da; Borie, Alfredo; Travassos, Paulo; Soares, Roberta; Peixoto, Sílvio

doi:10.1016/j.aquaculture.2018.11.013

Cited by 44 publications

(27 citation statements)

References 20 publications

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“…The sound emission occurs during the occlusion of the mandibles when they collide with each other to shred the pellets before entering the oral cavity, which is similar to the mechanism reported for penaeids (Silva et al, 2019;Smith & Tabrett, 2013). Like in penaeids, the mandibles are heavily calcified; however, the presence of an internal molar tooth with grinding function is a distinct feature for M. rosenbergii (Hunt et al, 1992;Kawamura et al, 2018;Silva et al, 2019). Molar and incisor teeth are composed of calcium phosphate, but molars are less mineralized and are covered by brownish chitinous layer (Bentov et al, 2016 Soares, Silva, et al, 2020;Silva et al, 2019), and showed the same SPL levels as those found for P. monodo n (Smith & Tabrett, 2013).…”

Section: Discussionsupporting

confidence: 67%

“…monodon and L . vannamei , such as pulse time duration (seconds), frequency band (hertz) and energy (decibel) (Peixoto, Soares, & Davis, 2020; Peixoto, Soares, Silva, et al, 2020; Silva et al, 2019; Smith & Tabrett, 2013). Passive acoustics monitoring (PAM) has been applied to detect and convert these clicks into electrical energy, allowing to assess an instant profile of shrimp feeding activity (Smith & Shahriar, 2013).…”

Section: Introductionmentioning

confidence: 99%

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Sound emission ofMacrobrachium rosenbergiiduring feeding activity

Hamilton

Silva

Filho

et al. 2021

Aquaculture Research

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Section: Discussionsupporting

confidence: 67%

Section: Introductionmentioning

confidence: 99%

Sound emission ofMacrobrachium rosenbergiiduring feeding activity

Hamilton

Silva

Filho

et al. 2021

Aquaculture Research

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“…Existing studies generally believe that when Litopenaeus vannamei eats, the food is crushed by the collision and friction of the jaws of the shrimp to produce acoustic signals, and the feeding sound is a continuous "click" sound [11]. However, this study has found through many experiments that the acoustic signals emitted by Litopenaeus vannamei when feeding are mainly produced by the behavior of the shrimps swimming and grabbing food when they are hungry.…”

Section: Introductionmentioning

confidence: 79%

Study on Feeding Activity of Litopenaeus Vannamei Based on Passive Acoustic Detection

Maochun¹,

Lin

Chen

et al. 2020

IEEE Access

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Litopenaeus vannamei, as the main target of shrimp farming in China, has a great market prospect and high economic value. However, domestic Litopenaeus vannamei farming and feeding efficiency are low, mainly through the use of hand tools by farmers to complete the feed throwing work, and the feed cost is high. Therefore, in view of the high density and low visibility of culture ponds in Litopenaeus vannamei aquaculture industry, it is impossible to judge the quantity and time of feed feeding by visual way. In this study, based on the analysis of acoustic feeding signal characteristics of Litopenaeus vannamei, accurate and intelligent control of feed amount is proposed, so as to reduce the breeding cost and obtain environmental benefits. This study designed a system for collecting and analyzing the acoustic signals of the feeding motion of Litopenaeus vannamei. Based on passive acoustic technology, the motion acoustic signal of Litopenaeus vannamei is extracted when starving. Through time domain and frequency domain research, the characteristic parameters of the motion acoustic signal of the specific body type of Litopenaeus vannamei are determined. The signal duration range is 8-10ms, and the average range of the resonance band is 2-10KHz. Furthermore, the dual-threshold method is further used to detect the effective range of the feeding signals, and then the number of acoustic signals is obtained, and the corresponding magnitude relationship between the characteristic parameters and the starvation degree of Litopenaeus vannamei is established, which can be used as a basis for judging intelligent feeding on demand. The research provides theoretical support for the feasibility of studying the feeding patterns of Litopenaeus vannamei through underwater passive acoustic detection.

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“…Passive acoustics represent the most promising technology so far, being already widely used on shrimp farms around the world. It has been proven to produce reliable and instantaneous feed demand estimates (Smith & Tabrett 2013;Silva et al 2019;Peixoto et al 2020b) and its adoption results in improvements in feed management (Napaumpaiporn et al 2013;Jescovitch et al 2018;Ullman et al 2019a;Reis et al 2020). Since passive acoustics have already been developed for the shrimp farming industry, research efforts should focus on this technology and go beyond the assessment of feeding activity by developing feed consumption estimates, i.e.…”

Section: Discussionmentioning

confidence: 99%

“…Passive acoustic monitoring (PAM) is the recording and exploitation of sounds using passive acoustic sensors such as hydrophones (Gibb et al 2019). Widely used in the remote observation of marine mammals (Ford & Fisher 1978;Cummings & Holliday 1985), PAM has had a more recent application in modern shrimp farming through the control of feed dispersal in ponds (see Smith & Shahriar 2013;Smith & Tabrett 2013;Jescovitch et al 2018;Silva et al 2019;Ullman et al 2019a;Reis et al 2020). The technology uses a hydrophone to detect the 'clicking' sounds or 'feeding signatures' produced by penaeid shrimp when they interact with feed (Hunt et al 1992), with distinctive spectral features exploited by an algorithm to automatically detect the number of signatures recorded at a given time (Smith & Shahriar 2013;Smith & Tabrett 2013).…”

Section: Passive Acoustic Monitoringmentioning

confidence: 99%

Monitoring methods of feeding behaviour to answer key questions in penaeid shrimp feeding

Tailly

Keitel

Owen

et al. 2021

Reviews in Aquaculture

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The penaeid shrimp farming industry is a fast-growing sector which continues to suffer from significant feeding inefficiencies. Shrimp are slow to feed on pellets, with consumption dependent on a wide range of environmental and physiological parameters. Feed management on farms remains mainly based on feeding trays which can be difficult to observe and often result in overfeeding. While our understanding of shrimp feeding behaviour is beginning to improve under laboratory conditions, much less is known about shrimp behaviour in production ponds. Consequently, there is a growing interest within the industry to improve observations of shrimp feeding behaviour in situ, although this can be difficult due to high water turbidity and the benthic nature of shrimp. This review identifies key questions that remain unanswered in relation to shrimp feeding behaviour under commercial aquaculture conditions, and considers how they could be addressed using state-of-the-art applications based on three technologies commonly used in other areas of aquaculture. The use of passive acoustics, computer vision and telemetry are highlighted, alongside their potential to help farmers achieve better feeding efficiencies and sustainability as well as to help understand shrimp feeding behaviour in relation to various biotic and abiotic parameters.

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Acoustic characterization of feeding activity of Litopenaeus vannamei in captivity

Cited by 44 publications

References 20 publications

Sound emission ofMacrobrachium rosenbergiiduring feeding activity

Sound emission ofMacrobrachium rosenbergiiduring feeding activity

Study on Feeding Activity of Litopenaeus Vannamei Based on Passive Acoustic Detection

Monitoring methods of feeding behaviour to answer key questions in penaeid shrimp feeding

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