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Aboyadak IM, Hadied MA, Ali NG. Prevailing parasitic diseases affecting Oreochromis aureus in Lake Burullus. J Parasit Dis 2024; 48:581-592. [PMID: 39145373 PMCID: PMC11319690 DOI: 10.1007/s12639-024-01695-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2024] [Accepted: 06/05/2024] [Indexed: 08/16/2024] Open
Abstract
Lake Burullus is an important source of fish production in Egypt; it produces 20.5% of the Egyptian fisheries' production. There is intense controversy about the heavy metal pollution in Burullus water and its effects on fish health and safety for human consumption. Heavy metals represent a major concern for aquatic life and could negatively affect fish health. Agricultural and industrial water drainage represents a considerable part of the lake water supply. The present work was conducted to determine heavy metal concentrations in lake water and blue tilapia Oreochromis aureus musculature. Water samples were collected from six locations to determine cadmium, copper, lead, zinc and iron. Sixty O. aureus fish samples were also collected from the same sampling points to assess the prevalent parasites infesting fish and to determine the heavy metal (Cd, Cu, Pb, Zn and Fe) concentrations in fish musculature then study the relationship between heavy metals concentration and prevailing fish parasites. Results indicated that 53.34% of the examined fish were infested with encysted metacercaria. Centrocestus formosanus, Prohemistomum vivax, and Euclinostomum heterostomum were retrieved from gills, musculature, hepatopancreas and the posterior kidney. The parasitic intensity in fish tissues was between 1 and 9 cyst g-1. Centrocestus formosanus was identified using the polymerase chain reaction in the gill tissues of 16 fish. The gill parasitic copepod Lamproglena monodi was identified in one fish. Degenerative changes such as thickening, corrugation, and destruction of gill filament are the most dominant pathological changes in infested fish gills. Heavy metal concentrations in water samples were at normal levels, except for copper and iron in the southern part of the lake. All heavy metals in fish musculature were below the permissible limits. The parasitic infestation was more dominant in the northern part of the lake than in the southern region; this could be due to elevated copper concentration in the southern part of the lake that could negatively affect the survival of the first intermediate host and parasite cercaria. In conclusion, captured fish from Lake Burullus were safe for human consumption, and heavy metal pollution in lake water does not represent a severe risk.
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Affiliation(s)
| | - Marwa Abou Hadied
- National Institute of Oceanography and Fisheries, NIOF, Cairo, Egypt
| | - Nadia Gabr Ali
- National Institute of Oceanography and Fisheries, NIOF, Cairo, Egypt
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Tönißen K, Franz GP, Albrecht E, Lutze P, Bochert R, Grunow B. Pikeperch muscle tissues: a comparative study of structure, enzymes, genes, and proteins in wild and farmed fish. FISH PHYSIOLOGY AND BIOCHEMISTRY 2024; 50:1527-1544. [PMID: 38733450 PMCID: PMC11286731 DOI: 10.1007/s10695-024-01354-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Accepted: 05/02/2024] [Indexed: 05/13/2024]
Abstract
Pikeperch (Sander lucioperca) is a freshwater species and an internationally highly demanded fish in aquaculture. Despite intensive research efforts on this species, fundamental knowledge of skeletal muscle biology and structural characteristics is missing. Therefore, we conducted a comprehensive analysis of skeletal muscle parameters in adult pikeperch from two different origins, wild-caught specimens from a lake and those reared in a recirculating aquaculture system. The analyses comprised the biochemical characteristics (nucleic acid, protein content), enzyme activities (creatine kinase, lactate dehydrogenase, NADP-dependent isocitrate dehydrogenase), muscle-specific gene and protein expression (related to myofibre formation, regeneration and permanent growth, muscle structure), and muscle fibre structure. The findings reveal distinct differences between the skeletal muscle of wild and farmed pikeperch. Specifically, nucleic acid content, enzyme activity, and protein expression varied significantly. The higher enzyme activity observed in wild pikeperch suggests greater metabolically activity in their muscles. Conversely, farmed pikeperch indicated a potential for pronounced muscle growth. As the data on pikeperch skeletal muscle characteristics is sparse, the purpose of our study is to gain fundamental insights into the characteristics of adult pikeperch muscle. The presented data serve as a foundation for further research on percids' muscle biology and have the potential to contribute to advancements and adaptations in aquaculture practices.
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Affiliation(s)
- Katrin Tönißen
- Fish Growth Physiology Workgroup, Research Institute for Farm Animal Biology (FBN), Wilhelm-Stahl-Allee 2, 18196, Dummerstorf, Germany.
| | - George P Franz
- Fish Growth Physiology Workgroup, Research Institute for Farm Animal Biology (FBN), Wilhelm-Stahl-Allee 2, 18196, Dummerstorf, Germany
| | - Elke Albrecht
- Working Group Muscle-Fat Crosstalk, Research Institute for Farm Animal Biology (FBN), Wilhelm-Stahl-Allee 2, 18196, Dummerstorf, Germany
| | - Philipp Lutze
- Fish Growth Physiology Workgroup, Research Institute for Farm Animal Biology (FBN), Wilhelm-Stahl-Allee 2, 18196, Dummerstorf, Germany
| | - Ralf Bochert
- Mecklenburg-Vorpommern Research Centre for Agriculture and Fisheries (LFA MV), Institute of Fisheries, Research Station Aquaculture, Born, Germany
| | - Bianka Grunow
- Fish Growth Physiology Workgroup, Research Institute for Farm Animal Biology (FBN), Wilhelm-Stahl-Allee 2, 18196, Dummerstorf, Germany.
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Braitenbach Cavali J, Vargas Baldi SC, Coutinho Marques Rocha AS, Eloy da Silva E, Taveira Nunes C, Soares EC, de Vargas Schons S, Zanella R, Bianchini Pontuschka R, Vieira Dantas Filho J. Pre-Slaughter Stunning Methods Influence the Meat Quality of Arapaima gigas Fillets. Animals (Basel) 2024; 14:1155. [PMID: 38672303 PMCID: PMC11047330 DOI: 10.3390/ani14081155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 11/15/2023] [Accepted: 11/21/2023] [Indexed: 04/28/2024] Open
Abstract
The aim of this study was to evaluate the influence of different stunning methods on the meat quality of Arapaima gigas fillets from fish farming. A total of 48 specimens of A. gigas in the weight class 11.1 to 14.0 kg were investigated; these fish were subjected to different stunning methods for slaughter: ice asphyxia (IA), air asphyxia (AA), electronarcosis (EE) and hypothermia followed by bleeding (HB). Then, data were obtained from the analysis of pH, rigor mortis index (RI), water activity (Aw), instrumental texture (compression strength, firmness and adhesiveness) and blood glucose and via instrumental colourimetry. During the study, for up to 15 days of refrigerated storage, the methods provided pH values below 6.0. A. gigas submitted to EE and HB remained longer in the pre-rigor status. In addition, they expressed lower percentages of Aw. The EE method resulted in better texture assignments in the fillets. The blood glucose values indicated that the fish subjected to EE were less stressed. Concerning instrumental colourimetry, the fillets submitted to EE and HB showed greater luminosity; the fillets subjected to AA showed greater red-green colour intensity, while the fillets subjected to EE showed greater yellow-blue colour intensity. Therefore, the fish did not suffer stress with electronarcosis, and the fillets showed better preservation, juiciness, and tenderness.
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Affiliation(s)
- Jucilene Braitenbach Cavali
- Laboratório de Análises Físico-Químicas e Microbiológicas, Universidade Federal de Rondônia, Presidente Médici 76916-000, Brazil; (J.B.C.); (A.S.C.M.R.); (E.E.d.S.); (C.T.N.); (R.B.P.)
- Programa de Pós-Graduação em Sanidade e Produção Animal Sustentável na Amazônia Ocidental, Universidade Federal do Acre, Rio Branco 69920-900, Brazil
| | | | - Ana Sabrina Coutinho Marques Rocha
- Laboratório de Análises Físico-Químicas e Microbiológicas, Universidade Federal de Rondônia, Presidente Médici 76916-000, Brazil; (J.B.C.); (A.S.C.M.R.); (E.E.d.S.); (C.T.N.); (R.B.P.)
- Programa de Pós-Graduação em Sanidade e Produção Animal Sustentável na Amazônia Ocidental, Universidade Federal do Acre, Rio Branco 69920-900, Brazil
- Departamento de Medicina Veterinária e Agronegócio, Centro Universitário São Lucas, UniSL JPR AFYA, Ji-Paraná 76907-524, Brazil
| | - Erica Eloy da Silva
- Laboratório de Análises Físico-Químicas e Microbiológicas, Universidade Federal de Rondônia, Presidente Médici 76916-000, Brazil; (J.B.C.); (A.S.C.M.R.); (E.E.d.S.); (C.T.N.); (R.B.P.)
- Programa de Pós-Graduação em Aquicultura, Universidade Estadual Paulista “Julio de Mesquita Filho”, Jaboticabal 76907-524, Brazil
| | - Carla Taveira Nunes
- Laboratório de Análises Físico-Químicas e Microbiológicas, Universidade Federal de Rondônia, Presidente Médici 76916-000, Brazil; (J.B.C.); (A.S.C.M.R.); (E.E.d.S.); (C.T.N.); (R.B.P.)
- Programa de Pós-Graduação em Ciências Ambientais, Universidade Federal de Rondônia, Rolim de Moura 76940-000, Brazil;
| | - Emerson Carlos Soares
- Centro de Aquicultura e Ecologia Aquática, Universidade Federal de Alagoas, Rio Largo 57100-000, Brazil;
| | - Sandro de Vargas Schons
- Programa de Pós-Graduação em Ciências Ambientais, Universidade Federal de Rondônia, Rolim de Moura 76940-000, Brazil;
| | - Renato Zanella
- Programa de Pós-Graduação em Química, Universidade Federal de Santa Maria, Santa Maria 97105-900, Brazil;
| | - Rute Bianchini Pontuschka
- Laboratório de Análises Físico-Químicas e Microbiológicas, Universidade Federal de Rondônia, Presidente Médici 76916-000, Brazil; (J.B.C.); (A.S.C.M.R.); (E.E.d.S.); (C.T.N.); (R.B.P.)
| | - Jerônimo Vieira Dantas Filho
- Departamento de Medicina Veterinária e Agronegócio, Centro Universitário São Lucas, UniSL JPR AFYA, Ji-Paraná 76907-524, Brazil
- Programa de Pós-Graduação em Ciências Ambientais, Universidade Federal de Rondônia, Rolim de Moura 76940-000, Brazil;
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Lujuo E, Mkupasi E, Lamtane H. Assessment of the physico-chemical and sensory properties of frozen fillets of tuna and tuna-related fish species marketed along the Tanga and Mtwara coastlines, Tanzania. INTERNATIONAL JOURNAL OF FOOD PROPERTIES 2022. [DOI: 10.1080/10942912.2022.2150211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- E.J. Lujuo
- Department of Veterinary Medicine and Public Health, Sokoine University of Agriculture, Morogoro, Tanzania
| | - E.M. Mkupasi
- Department of Veterinary Medicine and Public Health, Sokoine University of Agriculture, Morogoro, Tanzania
| | - H.A. Lamtane
- Department of Animal, Aquaculture and Range Sciences, Sokoine University of Agriculture, Morogoro, Tanzania
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Anis Mohamad Sukri S, Andu Y, Tuan Harith Z, Sarijan S, Naim Firdaus Pauzi M, Seong Wei L, Dawood MA, Abdul Kari Z. Effect of feeding pineapple waste on growth performance, texture quality and flesh colour of nile tilapia ( Oreochromis niloticus) fingerlings. Saudi J Biol Sci 2022; 29:2514-2519. [PMID: 35531242 PMCID: PMC9073014 DOI: 10.1016/j.sjbs.2021.12.027] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 11/08/2021] [Accepted: 12/12/2021] [Indexed: 12/21/2022] Open
Abstract
The study aims to evaluate the effects of pineapples waste on the growth, texture quality and flesh colour of Nile tilapia (Oreochromis niloticus) fingerlings. Fingerlings were fed with four different levels of pineapple waste diets throughout 56 days, which contain a control group (Diet 1) and experimental diets that formulated with 10% (Diet 2), 20% (Diet 3) and 30% (Diet 4) of pineapple waste. The experimental diet was formulated with rice bran, fish meal, soybean meal, vitamin and mineral premix, vegetable oil and binder to attain 32% dietary protein. The results revealed that the formulated fish diet with pineapple waste given the optimum weight gain, weight gain percentage, specific growth rate than the control group, where Diet 4 has shown the highest value (p < 0.05). There were no effects of the pineapple waste diet on the texture quality of the fillet, while only red chromaticity (a*) showed a significant difference (p < 0.05). In conclusion, the addition of pineapple waste can improve the growth rate of Nile tilapia, and the supplementation level of the pineapple waste in the diet was 30% of the total feed formulation.
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Affiliation(s)
- Suniza Anis Mohamad Sukri
- Department of Agricultural Sciences, Faculty of Agro-Based Industry, Universiti Malaysia Kelantan, Jeli Campus, 17600 Jeli, Kelantan, Malaysia
| | - Yusrina Andu
- Faculty of Computer and Mathematical Sciences, Universiti Teknologi MARA Negeri Sembilan, Kuala Pilah Campus, 72000 Kuala Pilah, Negeri Sembilan, Malaysia
| | - Zuharlida Tuan Harith
- Department of Agricultural Sciences, Faculty of Agro-Based Industry, Universiti Malaysia Kelantan, Jeli Campus, 17600 Jeli, Kelantan, Malaysia
| | - Shazani Sarijan
- Department of Environment and Water Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310 Johor Bahru, Johor, Malaysia
| | - Mohd Naim Firdaus Pauzi
- Department of Agrotechnology and Bio-Industry, Politeknik Jeli, 17600 Jeli, Kelantan, Malaysia
| | - Lee Seong Wei
- Department of Agricultural Sciences, Faculty of Agro-Based Industry, Universiti Malaysia Kelantan, Jeli Campus, 17600 Jeli, Kelantan, Malaysia
| | - Mahmoud A.O. Dawood
- Department of Animal Production, Faculty of Agriculture, Kafrelsheikh University, 33516 Kafrelsheikh, Egypt
- The Center for Applied Research on the Environment and Sustainability, The American University in Cairo, 11835 Cairo, Egypt
| | - Zulhisyam Abdul Kari
- Department of Agricultural Sciences, Faculty of Agro-Based Industry, Universiti Malaysia Kelantan, Jeli Campus, 17600 Jeli, Kelantan, Malaysia
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Abstract
AbstractPikeperch (Sander lucioperca) is a freshwater fish that has become increasingly popular as a food fish. Within this study, the influence of the spawning process on meat quality was investigated. For this purpose, adult pikeperch was examined directly before and after spawning, and compared regarding physical meat parameters and lipid composition. The results indicate that after spawning, the values of the pH, the electrical conductivity and the yellowness value of fillet were significantly higher than those of the animals sampled before spawning. Analysis of the sum of the total lipid content indicates no differences before and after closed season, but differences in the fatty acid profile were present. Despite significant lower MUFA concentrations, the EPA and DHA showed unaffected high contents. Therefore, the fish muscle indicated an equivalent meat quality. Nevertheless, the significant changes of some physical meat quality parameters after spawning season could have a particular impact on the shelf life and storage of the pikeperch fillet, highlighting the need for further research.
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Histological and biochemical evaluation of skeletal muscle in the two salmonid species Coregonus maraena and Oncorhynchus mykiss. PLoS One 2021; 16:e0255062. [PMID: 34383783 PMCID: PMC8360549 DOI: 10.1371/journal.pone.0255062] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Accepted: 07/08/2021] [Indexed: 12/03/2022] Open
Abstract
The growth of fishes and their metabolism is highly variable in fish species and is an indicator for fish fitness. Therefore, somatic growth, as a main biological process, is ecologically and economically significant. The growth differences of two closely related salmonids, rainbow trout (Oncorhynchus mykiss) and maraena whitefsh (Coregonus maraena), have not been adequately studied as a comparative study and are therefore insufficiently understood. For this reason, our aim was to examine muscle growth in more detail and provide a first complex insight into the growth and muscle metabolism of these two fish species at slaughter size. In addition to skeletal muscle composition (including nuclear counting and staining of stem and progenitor cells), biochemical characteristics, and enzyme activity (creatine kinase, lactate dehydrogenase, isocitrate dehydrogenase) of rainbow trout and maraena whitefish were determined. Our results indicate that red muscle contains cells with a smaller diameter compared to white muscle and those fibres had more stem and progenitor cells as a proportion of total nuclei. Interestingly, numerous interspecies differences were identified; in rainbow trout muscle RNA content, intermediate fibres and fibre diameter and in whitefish red muscle cross-sectional area, creatine kinase activity were higher compared to the other species at slaughter weight. The proportional reduction in red muscle area, accompanied by an increase in DNA content and a lower activity of creatine kinase, exhibited a higher degree of hypertrophic growth in rainbow trout compared to maraena whitefish, which makes this species particularly successful as an aquaculture species.
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Effects of mulberry (Morus alba L.) Leaf extracts on growth, immune response, and antioxidant functions in nile tilapia (Oreochromis niloticus). ANNALS OF ANIMAL SCIENCE 2021. [DOI: 10.2478/aoas-2021-0038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Abstract
This study evaluates how white mulberry (Morus alba L.) leaf extracts affect the growth, antioxidant activity, and immune response in Nile tilapia Oreochromis niloticus. Mulberry leaf extracts were obtained through aqueous extraction (AE) and ethanol extraction (EE). Powder of mulberry leaf (PML) was added directly to feed and compared with the effects of feeds supplemented with the different extracts. Fish were divided into eight groups for an 8-week feeding trial where they were fed the basal diet or supplementation with 10% PML, 10% AE, 20% AE, 40% AE, 10% EE, 20% EE, or 40% EE. The inclusion of mulberry leaf extract obtained with either method showed better effects on fish growth performance, antioxidant activities and acid phosphatase activity (ACP) in serum, immune cytokine expression, and intestinal morphology as compared with controls or fish fed the 10% PML diet. The specific growth rate was significantly higher in the 10% AE, 10% EE, and 20% EE groups compared with all other groups (P<0.05). Catalase activity was significantly greater in most groups fed an extract, and in the 10% PML group, when compared with controls. Similarly, ACP, interleukin (IL)-1, and IL-2 expression was significantly increased in groups fed an extract, and in the 10% PML group, when compared with controls (P<0.05). IL-1, IL-2, IL-10, and Toll-like receptor 2 expression was significantly greater in the 10% EE group than in the 10% PML and 10% AE groups (P<0.05). Villus length in the middle intestine was significantly increased in the 10% AE and 10% EE groups compared with controls and the 10% PML group (P<0.05). Thus, 10% mulberry leaf ethanol extract added to feed is recommended for enhancing the growth rate and health of cultured Nile tilapia.
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