The Growth and Development of White Leg Shrimp Penaeus Vannamei When Feeding With Different Types of Mixed Fodders Under Artificial Conditions

Kovacheva, N. P.; Borisov, R. R.; Nikonova, I. N.; Chertoprud, Elena S.

doi:10.37663/0131-6184-2020-1-78-82

Fisheries

2020

DOI: 10.37663/0131-6184-2020-1-78-82

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The Growth and Development of White Leg Shrimp Penaeus Vannamei When Feeding With Different Types of Mixed Fodders Under Artificial Conditions

N. P. Kovacheva

R. R. Borisov

I. N. Nikonova

et al.

Abstract: The work evaluated the survival and growth of white leg shrimp Penaeus vannamei juveniles in recirculating water systems when feeding with different types of mixed fodders. It is shown that in the early stages of development from 25 to 150 days a fodder with negative buoyancy should be used. A protein content in a fodder between 45 to 57 %% does not affect the growth of the white leg shrimp aged from 85 to 150 days. The study found that in order to enhance the color intensity of commercial products, it is nece… Show more

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Methodology for assessing the food attractiveness of feeding objects on the example of juvenile Australian red claw crayfish

Borisov,

Nikonova,

Kovatcheva

2024

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The aim of the work: to identify behavioral responses that make it possible to characterize the food attractiveness of potential feeding objects for juveniles of the crayfish Cherax quadricarinatus.Used methods: the study was conducted on the juvenile Australian red-clawed crayfish C. quadricarinatus, in the aquarium room of aquaculture invertebrate department at VNIRO. 11 types of feeding objects of plant and 4 types of animal origin were studied, as well as TetraWaferMix compound feed as a control. A total of 616 experiments were performed.Newness: on the juveniles of the Australian red-clawed crayfish C. quadricarinatus, the methodology for assessing the nutritional attractiveness of feeding objects by the nature of behavior during feed consumption was tested.Result: the experiments conducted showed that a large proportion of individuals who threw, crumbled, held food with their oral limbs for a long time without attempting to mechanical processing it or did not eat the food, indicates its unsatisfactory nutritional qualities. The time spent by crayfish on eating food depends on the hardness of the proposed components, the rate of their softening in water, the size of individuals and therefore cannot directly characterize the nutritional attractiveness of the feed. Most of the proposed forage objects (11 out of 15) had attractive nutritional characteristics for juveniles of C. quadricarinatus crayfish. The most active juveniles consumed animal feed (larvae of Chironomus sp. and Hermetia illucens, squid meat, Gammarus sp.), and among the feeds of plant origin, the seeds of oats, wheat and fried buckwheat, as well as beets and potatoes had the greatest attractiveness.

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Methodology for assessing the food attractiveness of feeding objects on the example of juvenile Australian red claw crayfish

Borisov,

Nikonova,

Kovatcheva

2024

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Prospects for the whiteleg shrimp Penaeus vannamei (Boone, 1931) cultivation in different regions of Russia, taking into account the hydrochemical characteristics of watebodies and the seasonal dynamics of temperature indicators

et al. 2021

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Whiteleg shrimp Penaeus vannamei (Boone, 1931) is one of the most popular and promising objects of world aquaculture. In this article possibilities and prospects of cultivating this species in Russia, the results of studies of temperature and salinity effects on the survival rate, growth, activity and food intake of white-footed shrimp were discussed. The critical values of temperature and salinity for this species have been determined. The most progressive for whiteleg shrimp cultivation are the southern regions of Russia, which have an extended sea coastline or a lot of hyperhaline or brackish waterbodies. Technologies combining commercial pond rearing with preliminary rearing of juveniles in RAS are recommended to use to increase the efficiency of cultivation.

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The Growth and Development of White Leg Shrimp Penaeus Vannamei When Feeding With Different Types of Mixed Fodders Under Artificial Conditions

Cited by 2 publications

References 3 publications

Methodology for assessing the food attractiveness of feeding objects on the example of juvenile Australian red claw crayfish

Methodology for assessing the food attractiveness of feeding objects on the example of juvenile Australian red claw crayfish

Prospects for the whiteleg shrimp Penaeus vannamei (Boone, 1931) cultivation in different regions of Russia, taking into account the hydrochemical characteristics of watebodies and the seasonal dynamics of temperature indicators

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