Muscle fibre density in relation to the colour and texture of smoked Atlantic salmon (Salmo salar L.)

Johnston, Ian A.; Alderson, Richard; Sandham, Claire; Dingwall, Alistair; Mitchell, David F.; Selkirk, Craig; Nickell, David; Baker, R.T.M.; Robertson, Billy; Whyte, David; Springate, J.R.C.

doi:10.1016/s0044-8486(00)00373-2

Cited by 255 publications

(188 citation statements)

References 29 publications

Supporting

Mentioning

168

Contrasting

Unclassified

Order By: Relevance

“…Previous studies have underlined the inverse correlation between the diameter and area of the muscular fibres and compactness of fish meat. It can therefore be affirmed that the rainbow trout have a higher degree of juiciness, elasticity and compactness than the brown trout (Hurling et al 1996;Johnston 2000). We noticed in both species and groups a reduction of the morphometric values between 20 and 25 cm in length.…”

Section: Body Length and Fibre Typementioning

confidence: 50%

Effect of Propolis on the Fish Muscular Development and Histomorphometrical Characteristics

Velotto¹,

Vitale²,

Varricchio

et al. 2010

Acta Vet. Brno

View full text Add to dashboard Cite

The aim of our study was to evaluate the effect of propolis on mortality of fish eggs due to mycosis, to study its efficacy on the fish growth rate and to analyze the histochemical and ultrastructural characteristics of muscle fibres. We evaluated the muscular development of fish in two different experimental conditions: traditional feeding and feeding with addition of propolis (groups A and B, respectively). The study was carried out on two species of teleosts bred in Italy, Oncorhynchus mykiss (rainbow trout) and Salmo trutta (brown trout). The use of propolis reduced mortality of fish eggs. The muscles were stained for myosin ATPase and succinic dehydrogenase to evaluate fibre type. The area, maximum and minimum diameter for each fibre type in relation to the body length were measured. The animals fed propolis showed a more rapid muscular growth compared to control fed the standard diet. Fibres were larger in the Salmo trutta than in the Oncorhynchus mykiss in both groups. In fish of A group, myotomal muscle, the presence of giant fibres and index of environmental stress was noticed. This type of study is valuable in order to extend the use of propolis as an antifungal agent and a natural product that can improve fish farming. ATPase and SDH activities, specific growth-rate, ultrastructural analysisEuropean aquaculture has shown a steady increase during the last twenty years, thanks to many initiatives promoted by the European Community to support this sector. But there are still many problems to solve, such as the support of ecocompatible activities, the improvement of animal health and welfare, product quality and consumer health assurance. Propolis is a mixture of various amounts of beeswax and resins collected by the honeybee from plants, particularly from flowers and leaf buds (Krell 1996). The colour of propolis ranges from yellow to dark brown depending on the origin of the resins. Propolis has attracted the researchers' interest in the last decades due to its biological and pharmacological properties, such as immunomodulatory, antitumor, antimicrobial, antiinflammatory, and antioxidant properties (Kanbur et al. 2009). The goal of this study was to analyze, for the first time, the influence of propolis on the fish muscular development and on the structural and ultrastructural characteristics of muscle fibre types. This study opens a new perspective on the investigation of biological properties of propolis, mainly with respect to the influence on the development of the trout and the mortality of fish eggs. Materials and MethodsThe following species of freshwater fish were used in our study: Salmo trutta (brown trout) and Oncorhynchus mykiss (rainbow trout). Experiment with eggsIn order to evaluate the effect of propolis on mortality of fish eggs, approximately 600 eggs (half and half) were placed in 3 "Californian tanks" arranged in cascade. Untreated samples (about 250 eggs) were used as control. The eggs were rinsed in propolis solution (1%) for 15 min, once every four days and then they were ...

show abstract

Section: Body Length and Fibre Typementioning

confidence: 50%

Effect of Propolis on the Fish Muscular Development and Histomorphometrical Characteristics

Velotto¹,

Vitale²,

Varricchio

et al. 2010

Acta Vet. Brno

View full text Add to dashboard Cite

show abstract

“…Moreover, the higher percentage of smaller fibres (\2,000 lm 2 ) observed in the groups fed high-protein diets ([40%) suggest a greater potential for hypertrophic growth thereafter. Previous studies reported substantial differences in the relative contribution of both hypertrophy and hyperplasia of muscle fibres between rapid and slow growing strains of the same species (Weatherley et al 1979;Higgins and Thorpe 1990; Alami-Durante et al Valente et al 1999;Johnston et al 2000) in such a manner that rapid somatic growth is commonly associated to a higher rate of hyperplasia. These changes in fibre numbers were described in fish exhibiting different body sizes, and so, if size is taken into account these differences could be minimal (Kiessling et al 1991).…”

Section: Discussionmentioning

confidence: 98%

Dietary protein content influences both growth and size distribution of anterior and posterior muscle fibres in juveniles of Pagellus bogaraveo (Brunnich)

Silva

Valente

Galante

et al. 2009

J Muscle Res Cell Motil

View full text Add to dashboard Cite

Muscle cellularity was studied in Pagellus bogaraveo juveniles fed on diets with different protein contents. Measured in transversal body sections, at both post-opercular and post-anal locations, the morphometric variables estimated were: total muscle area (A), total number of fibres (N), number of fibres per unit area of muscle (N A ) and cross-sectional fibre area ð" aÞ; of the two main muscle fibre types. At the end of the experiment fish fed on diets having more than 40% of protein displayed significantly higher body weight. Fish fed on protein-rich diets exhibited greater " a and N. For fish fed on 30 and 50% protein diets the morphometric parameters measured grew linearly with the fish weight. High-protein diets favoured muscle hyperplasia. When comparing rostral and caudal locations, a greater N and a smaller " a of posterior red fibres were the consistent differences found-a fact, to our knowledge, so far unreported for fish.

show abstract

“…Hence, the collagen proportion tends to increase with food deprivation. Johnston et al (2000) related the muscle fibres density of Atlantic salmon (Salmo salar) with the flesh texture and concluded that a potential manipulation of muscle cellularity through husbandry practices and selective breeding programs could improve fish flesh. Instrumental texture analyses indicated that longterm starvation (58 days or more) could increase the hardness of raw fillets after starvation, whereas the sensory analyses indicated that long-term starvation (86 days) decreased the hardness of cooked fillets .…”

Section: Discussionmentioning

confidence: 99%

“…The main edible part of the fish is composed of white muscle fibres. The flesh quality may be influenced by extrinsic factors such as feeding regime, diet composition, and environment (Johnston, 1999;Johnston et al, 2000). The biochemical composition, particularly lipids, may change the nutritional and sensorial quality of fish flesh (Waagabo et al, 1993;Arzel et al, 1994;Regost et al, 2001).…”

Section: Introductionmentioning

confidence: 99%

Effects of food deprivation in muscle structure and composition of traíra (Hoplias malabaricus): potential implications on flesh quality

Rios

Donatti

Fernandes

et al. 2009

Braz. arch. biol. technol.

View full text Add to dashboard Cite

show abstract

Muscle fibre density in relation to the colour and texture of smoked Atlantic salmon (Salmo salar L.)

Cited by 255 publications

References 29 publications

Effect of Propolis on the Fish Muscular Development and Histomorphometrical Characteristics

Effect of Propolis on the Fish Muscular Development and Histomorphometrical Characteristics

Dietary protein content influences both growth and size distribution of anterior and posterior muscle fibres in juveniles of Pagellus bogaraveo (Brunnich)

Effects of food deprivation in muscle structure and composition of traíra (Hoplias malabaricus): potential implications on flesh quality

Contact Info

Product

Resources

About