Larval diets
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A study on the effect of different densities and feed when rearing phyllosoma larvae of slipper lobster (Thenus Orientalis) was conducted at Nha Trang Marine Research and Development Center, Institute of Aquaculture Research No. 3 from January to April 2020 to evaluate the effect of density and types of food on survival, growth (phase transition rate, phyllosoma larval size: CL and CW).
12p dianmotminh02 03-05-2024 1 1 Download
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Part 1 book "Marine ornamental species aquaculture" includes content: The marine ornamental species trade, the need for cultured specimens, life cycles in marine ornamental species – fishes as a case study, early culture trials and an overview on U.S. marine ornamental species trade; location, broodstock systems, larviculture systems, live prey production systems, larval diets and nutrition, growout and broodstock nutrition, considerations for developing a marine ornamental hatchery,.... and other contents.
332p oursky07 24-10-2023 3 2 Download
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Nutrient acquisition at the larval stage has significant impacts on the development, body weight, and fecundity of fruit flies. In this study, we examined the effects of diet composition on the life-history traits of the oriental fruit fly Bactrocera dorsalis (Hendel) (Diptera: Tephritidae).
10p viengels 25-08-2023 5 2 Download
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This study describes and characterises the life cycle of D. borassi under laboratory conditions using two artificial diets and provides an optimal methodology for breeding D. borassi. This study provides details that are essential for the design of control interventions. We also evaluated the larval weight gain curve using the two artificial diets. The results of this study are expected to facilitate basic information for future monitoring and control strategies for this important pest species.
7p schindler 30-12-2021 11 0 Download
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Nutrition and cell size play an important role in the determination of caste differentiation in queen and worker of honeybees (Apis mellifera), whereas the haploid genome dominates the differentiation of drones. However, the effects of female developmental environment on the development of males remain unclear. In this study, young drone larvae were transferred into worker cells (WCs) or remained in drone cells (DCs) to rear drones.
12p vitzuyu2711 29-09-2021 7 1 Download
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Before metamorphosis, almost all anuran tadpoles are omnivores. Larval carnivory occurs in some species and, it is associated with distinctive morphotypes. Obligatory carnivorous tadpoles exhibit structural changes in the gastrointestinal tract compared to larvae that are predominately omnivores.
17p viwyoming2711 16-12-2020 14 1 Download
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The results obtained in the present study may aid future research and serve as a baseline for further optimization of feeding strategies in prawn larviculture.
9p tomhiddleston 27-05-2020 12 1 Download
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The effect of various diets on longevity of Glyptapantales agamemnonis and Meteorus pulchricornis, endoparasitoids of S. obliqua (Walker) were studied in the laboratory.
7p trinhthamhodang5 16-05-2020 7 1 Download
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A study was conducted on Macrobrachium rosenbergii larvae to evaluate the efficiency of different diets to replace Artemia nauplii in the feeding scheme. The study included two experiments performed at pilot scale in 12–L tanks using a recirculating system. Larval stocking density was 100 larvae/L. After 7 days of feeding by Artemia nauplii, different diets, included wet and dry diets and decapsulated Artemia cysts, were tested to replace Artemia nauplii. An extra treatment using only decapsulated Artemia cysts throughout the complete larval rearing was also included.
9p sabiendo 02-01-2020 9 0 Download
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Lipocalin genes NLaz, GLaz, and Karl are evolutionarily conserved genes in Drosophila melanogaster. There are studies on lipocalin gene expression differences under diverse diet conditions, but these studies have focused mainly on age-dependent expression profiles of these genes.
9p nutifooddau 27-01-2019 24 1 Download
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three groups of 40 perch breeders were reared in order to study the effects of 3 different levels of dietary n-3 and n-6 fatty acids on egg quality. two experimental diets, r1 and r2 (n-3/n-6 = 0.13 and 35.54, respectively), were compared to one commercial food, r3 (n-3/n-6 = 3.48). spawning and fertilization rates were high for diets r1 and r3, which displayed a n-3/n-6 ratio of 0.77 and 2.34 in the eggs, respectively, by comparison with r2 (n-3/n-6 = 4.87), which produced low reproductive performances. We can conclude that dietary n-3 and n-6 FA levels influence egg and larval...
2p congvhs 01-10-2010 135 8 Download