The influence of feeding on muscle tissues composition in cage reared bluefin tuna (Thunnus thynnus)
Capture-based tuna aquaculture rates as one of the most important aquaculture activities in Cro-atia, where juvenile tuna are reared in cages for over a year long period in order to increase substan-tially their weight. The aim of this study was to assess the effect of length and intensity of feedin...
| Permalink: | http://skupni.nsk.hr/Record/nsk.NSK01001059573/Details |
|---|---|
| Matična publikacija: |
Acta Adriatica (Online) 60 (2019), 1 ; str. 69-78 |
| Glavni autori: | Miletić, Ivana, inženjerka ribarske tehnologije (Author), Mladineo, Ivona, Orhanović, Stjepan, Pavela-Vrančić, Maja, Slišković, Merica, Jelić-Mrčelić, Gorana |
| Vrsta građe: | e-članak |
| Jezik: | eng |
| Predmet: | |
| Online pristup: |
https://doi.org/10.32582/aa.60.1.7 Hrčak Acta Adriatica (Online) |
| LEADER | 05410naa a22004334i 4500 | ||
|---|---|---|---|
| 001 | NSK01001059573 | ||
| 003 | HR-ZaNSK | ||
| 005 | 20200713095544.0 | ||
| 006 | m d | ||
| 007 | cr|||||||||||| | ||
| 008 | 200325s2019 ci ad |o |0|| ||eng | ||
| 024 | 7 | |2 doi |a 10.32582/aa.60.1.7 | |
| 035 | |a (HR-ZaNSK)001059573 | ||
| 040 | |a HR-ZaNSK |b hrv |c HR-ZaNSK |e ppiak | ||
| 041 | 0 | |a eng |b hrv |b eng | |
| 042 | |a croatica | ||
| 044 | |a ci |c hr | ||
| 080 | 1 | |a 636/639 |2 2011 | |
| 100 | 1 | |a Miletić, Ivana, |c inženjerka ribarske tehnologije |4 aut | |
| 245 | 1 | 4 | |a The influence of feeding on muscle tissues composition in cage reared bluefin tuna (Thunnus thynnus) |h [Elektronička građa] / |c Ivana Miletić, Ivona Mladineo, Stjepan Orhanović, Maja Pavela-Vrančić, Merica Slišković, Gorana Jelić Mrčelić. |
| 300 | |b Ilustr., graf. prikazi. | ||
| 504 | |a Bibliografija: str. 76-77. | ||
| 504 | |a Summary ; Sažetak. | ||
| 520 | |a Capture-based tuna aquaculture rates as one of the most important aquaculture activities in Cro-atia, where juvenile tuna are reared in cages for over a year long period in order to increase substan-tially their weight. The aim of this study was to assess the effect of length and intensity of feeding on biochemical composition (total fat, moisture, dry matter, carbohydrates and protein content) of tuna (Thunnus thynnus) white muscle tissues in newly caught tuna prior to feeding (NCTPF) versus far-med tuna kept in rearing circular cages in the Vela Grska Bay, Adriatic Sea (LAT 43°17’40,6984”N, LONG 016°28’58,4315”E (WGS84)) between 2001 and 2004. Farmed tunas from all cages were fed with the feed consisting of domestic small pelagic fish, or with mixtures containing North Sea herring (Clupea harengus) and Sardina pilchardus, for five months (cage 3), eight months (cage 4) or 21 months (cages 1 and 2). A low content of moisture and high content of dry matter including fat was observed in farmed tuna muscles compared to wild-caught tuna. In farmed tuna muscles, measured moisture was 55.26% in cage 1, 39.95% in cage 2, 54.64% in cage 3 and 49.70% in cage 4. These results are significantly lower than moisture measured in NCTPF (80.36%). Content of dry matter found in farmed tuna muscles also differed greatly between wild tuna (19.64%) and far-med tuna, but also between the cages (44.74% in cage 1, 60.05% in cage 2, 45.36% in cage 3 and 50.30% in cage 4). In NCTPF, muscle tissues total fat encompassed less than 1% of the total body weight, while it reached over 20% of total body mass in farmed fed tuna (20.62% in cage 1, 42.50% in cage 2, 20.97% in cage 3 and 20.57% in cage 4). These results demonstrate that high fat content can be achieved already after five months of intensive feeding. | ||
| 520 | |a Kavezni uzgoj tune uhvaćene u divljini, tijekom razdoblja dužeg od jedne godine, sve dok tuna ne dobije znatno na težini, jedan je od najznačajnijih akvakulturnih aktivnost u Hrvatskoj. Cilj ovog rada je odrediti utjecaj intenziteta i duljine ishrane na biokemijski sastav bijelog mišićnog tkiva (uku-pni sadržaj masti, vode, suhe tvari, ugljikohidrata i proteina) tek ulovljene tune (Thunnus thynnus) prije tovljenja, u odnosu na tunu uzgajanu u kavezima kružnog oblika između 2001. i 2004. u uvali Vela Grška, koja se nalazi na južnoj obali otoka Brača u hrvatskom dijelu Jadranskog mora (LAT 43°17’40,6984”N, LONG 016°28’58,4315”E (WGS84)). Tuna uzgajana u sva četiri kaveza hranje-na je domaćom malom plavom ribom ili mješavinom haringe iz Sjevernog mora (Clupea harengus) i srdele (Sardina pilchardus), i to tijekom pet mjeseci (kavez 3), osam mjeseci (kavez 4) odnosno 21 mjesec (kavezi 1 i 2). Niski udjeli vode i visoki udjeli suhe tvari, uključujući masti, zabilježeni su u mišićnom tkivu uzgajane tune u odnosu na divlju tunu. U mišićnom tkivu kavezno uzgajane tune zabilježeno je 55.26% vode u kavezu 1, 39.95% u kavezu 2, 54.64% u kavezu 3 i 49.70% u kavezu 4, što su značajno niže vrijednosti od vrijednosti izmjerenih za divlju tunu (80.36%). Udio suhe tvari u mišićnom tkivu uzgajane tovljene tune značajno se razlikovao od udjela suhe tvari nađene u mišićnom tkivu divlje tune (19.64%), ali u mišićnom tkivu tuna uzgajanih u različitim kavezima (44.74% u kavezu 1, 60.05% u kavezu 2, 45.36% u kavezu 3 i 50.30% u kavezu 4). Ukupne masti u mišićnom tkivu čine manje od 1% ukupne težine tijela divlje tune, dok su te vrijednosti u tovljenih tuna: 20.62% u kavezu 1, 42.50% u kavezu 2, 20.97% u kavezu 3 i 20.57% u kavezu 4. Ovi rezultati upućuju na to da se visok sadržaj masti može postići već nakon pet mjeseci intenzivnog tovljenja tune. | ||
| 653 | 0 | |a Tuna |a Plavoperajna tuna |a Thunnus thynnus |a Kavezni uzgoj |a Mišićno tkivo |a Biokemijski sastav |a Hranidba | |
| 653 | 5 | |a Brač |a Jadransko more | |
| 700 | 1 | |a Mladineo, Ivona |4 aut | |
| 700 | 1 | |a Orhanović, Stjepan |4 aut | |
| 700 | 1 | |a Pavela-Vrančić, Maja |4 aut | |
| 700 | 1 | |a Slišković, Merica |4 aut | |
| 700 | 1 | |a Jelić-Mrčelić, Gorana |4 aut | |
| 773 | 0 | |t Acta Adriatica (Online) |x 1846-0453 |g 60 (2019), 1 ; str. 69-78 |w nsk.(HR-ZaNSK)000601824 | |
| 981 | |b Be2019 |b B02/19 | ||
| 998 | |b dalo2004 | ||
| 856 | 4 | 0 | |u https://doi.org/10.32582/aa.60.1.7 |
| 856 | 4 | 0 | |u https://hrcak.srce.hr/223129 |y Hrčak |
| 856 | 4 | 1 | |y Digitalna.nsk.hr |
| 856 | 4 | 0 | |u http://jadran.izor.hr/acta/pdf/60_1_pdf/60_1_7.pdf |y Acta Adriatica (Online) |