STORRE: Aquaculture

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This community contains the ePrints and eTheses of Aquaculture staff and students.

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Use of non-ablated shrimp (Litopenaeus vannamei) in commercial scale hatcheries See

The Pacific white shrimp (Litopenaeus vannamei), is currently the most cultured marine shrimp worldwide with 78% of global shrimp production in 2019 and it represents an important marine food source for consumers. Induction of rapid egg production in captivity of this shrimp is usually induced by unilateral eyestalk ablation which involves the removal or constriction of one eyestalk through cutting, cauterizing or tying to reduce the level of hormone that inhibit reproduction of shrimp in cap...

Shi B, Yuan Y, Jin M, Betancor MB, Tocher DR, Jiao L, Song D & Zhou Q (2021) Transcriptomic and physiological analyses of hepatopancreas reveal the key metabolic changes in response to dietary copper level in Pacific white shrimp Litopenaeus vannamei. Aquaculture, 532, Art. No.: 736060. https://doi.org/10.1016/j.aquaculture.2020.736060 See

All living organisms require copper for growth and development, but the gene expression profiles and molecular mechanisms underpinning dietary copper are poorly investigated. Therefore, the present study aimed to determine the potential metabolic changes in response to dietary copper based on analysis of hepatopancreas transcriptome in Litopenaeus vannamei. Three practical diets were formulated to supplement 0 (control diet; Csingle bondCu) and 40 mg kg−1 inorganic Cu (CuSO4·5H2O; Isingle bon...

Longué C, Dagleish M, McGovern G, Brownlow A & Baily J (2020) Intrasarcoplasmic Polyglucosan Inclusions in Heart and Skeletal Muscles of Long-Finned Pilot Whales (Globicephala melas) may be Age-Related. Journal of Comparative Pathology, 181, pp. 18-25. https://doi.org/10.1016/j.jcpa.2020.09.011 See

Polysaccharide storage myopathies have been described in several animal species and are characterized by periodic acid–Schiff (PAS)-positive, diastase-resistant intrasarcoplasmic inclusions in myocytes. Skeletal and cardiac muscle samples from a subset of a single pod of stranded long-finned pilot whales (Globicephala melas) were evaluated by light and transmission electron microscopy. Twelve individuals demonstrated sporadic basophilic packets of PAS-positive, diastase-resistant complex poly...

Zacarias S, Fegan D, Wangsoontorn S, Yamuen N, Limakom T, Carboni S, Davie A, Metselaar M, Little DC & Shinn AP (2021) Increased robustness of postlarvae and juveniles from non-ablated Pacific whiteleg shrimp, Penaeus vannamei, broodstock post-challenged with pathogenic isolates of Vibrio parahaemolyticus (VpAHPND) and white spot disease (WSD). Aquaculture, 532, Art. No.: 736033. https://doi.or... See

The maturation and reproduction of Pacific whiteleg shrimp, Penaeus vannamei, through the practice of unilateral eyestalk ablation though common is an animal welfare concern. This study assessed the resilience of offspring from non-ablated P. vannamei when challenged with an isolate of Vibrio parahaemolyticus (Vp) causing acute hepatopancreatic necrosis disease (VpAHPND), and with white spot syndrome virus (WSSV). VpAHPND and WSSV challenges were conducted using PL and juveniles under control...

Clarkson M, Taylor JF, McStay E, Palmer MJ, Clokie BGJ & Migaud H (2020) A temperature shift during embryogenesis impacts prevalence of deformity in diploid and triploid Atlantic salmon (Salmo salar L.). Aquaculture Research. https://doi.org/10.1111/are.14945 See

The study investigated the effects of a temperature shift during embryogenesis on diploid and triploid Atlantic salmon (Salmo salar L.) embryo development and juvenile skeletal deformities. From fertilization, sibling populations were incubated under one of three temperatures (6, 8 or 11°C) until 400 °days when all fish were then reared under a common temperature until smolt. Survival was negatively impacted by increasing temperatures irrespective of ploidy. There was no effect of incubation ...

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