Effects of body size on biochemical characteristics of trabecular cardiac muscle and plasma of rainbow trout (Oncorhynchus mykiss)

Rodnick, Kenneth J.; Williams, Scott

doi:10.1016/s1095-6433(99)00023-9

Cited by 9 publications

(5 citation statements)

References 24 publications

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“…As with resting f H in Chinook salmon (Fig.3), mass-specific citrate synthase activity and mitochondrial density of the rainbow trout ventricle are thought to be mass independent (Rodnick and Williams, 1999). However, ventricular and compact myocardial mass of Chinook salmon scaled isometrically with M b (Fig.1).…”

Section: Body Mass and The Circulatory System Of Chinook Salmonmentioning

confidence: 83%

Effects of body mass on physiological and anatomical parameters of mature salmon: evidence against a universal heart rate scaling exponent

Farrell

2011

Journal of Experimental Biology

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Clark et al., 2010) and took advantage of the diverse life history of Chinook salmon (Oncorhynchus tshawytscha), the largest of the Pacific salmonids (Groot and Margolis, 1991). After emerging from the egg with a M b of <1g (Kinnison et al., 1998), juvenile Chinook salmon typically remain in freshwater for around 1year prior to commencing an ocean migration to grow and mature. Whereas the majority of individuals spend around 3years in the ocean and return to freshwater spawning grounds as 4year olds, some individuals leave the ocean as 2 or 3year olds (primarily males), or late as 5 or 6year olds. These different intra-specific life history strategies,

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Section: Body Mass and The Circulatory System Of Chinook Salmonmentioning

confidence: 83%

Effects of body mass on physiological and anatomical parameters of mature salmon: evidence against a universal heart rate scaling exponent

Farrell

2011

Journal of Experimental Biology

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“…The supplementation ractopamine and l ‐carnitine to the diet increased albumin, total protein and globulin in the blood serum; and the lowest concentrations were observed in fish fed the control diet (Table 4). Albumin in teleost fish blood has several important functions, including binding and transporting non‐esterified fatty acids (Rodnick & Williams 1999). The observed higher albumin levels in blood serum in treatments supplementing l ‐carnitine and ractopamine in the diet may be attributed to the improved capacity for fatty acids transport.…”

Section: Resultsmentioning

confidence: 99%

“…Nevertheless, other studies showed that L-carnitine did not promote growth of rainbow trout fry and ¢ngerlings (Rodehutscord 1995;Chatzifotis et al1997) and tilapia (Yang et al 2009). The reason for the existing discrepancy between the available data in the literature could be related to the di¡erences in the type of L-carnitine used (Eder, Felgner, Becker & Kluge 2005), ¢sh size (Rodnick & Williams 1999), dietary composition and feed proces-sing (Schuhmacher & Gropp 1998), possible species e¡ects, ¢sh developmental stage and environmental conditions. In this study, a tartrate type of L-carnitine was used, which has a higher bioavailability, faster absorption rate and lower solubility than other forms such as free L-carnitine and acetyl L-carnitine (Eder et al 2005).…”

Section: Performancementioning

confidence: 99%

Effects of supplemental dietary l-carnitine and ractopamine on the performance of juvenile rainbow trout, Oncorhynchus mykiss

Jalali

Soofiani

Sadeghi

et al. 2010

Aquaculture Research

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This study was carried out to investigate a possible protein‐sparing action of l‐carnitine and ractopamine in rainbow trout, Oncorhynchus mykiss. An 8‐week feeding trial was carried out to evaluate the effects of supplementation of three levels of l‐carnitine (0, 1 and 2 g kg−1) and two levels of ractopamine (0 and 10 mg kg−1) on growth performance, fillet fatty acid compositions and blood biochemical parameters in a 3 × 2 factorial experimental design. Ractopamine and 1 g kg−1 carnitine improved the specific growth rate (1.03% and 1.05% day−1), feed conversion ratio (FCR, 1.3 and 1.29), protein efficiency ratio (PER, 1.88 and 1.85) of fish and crude protein (73.5 and 73.8) content of fish fillet. l‐carnitine and ractopamine increased the levels of albumin, total protein and globulin in the serum of fish. Apart from eicosapentaenoic acid and docosahexaenoic acid, other fatty acids of fish fillet were increased by ractopamine, while total saturated fatty acids were almost intact. However, the total n‐3 poly unsaturated fatty acids were reduced by l‐carnitine supplementation (P<0.05). The present study showed that 1 g kg−1l‐carnitine and 10 mg kg−1 ractopamine each can improve the performance of rainbow trout and their combination in diet could enhance the protein level and change the fatty acids profile in fillet muscle.

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“…Furthermore, the serum chemistry values were reported to be different among fish of different sizes (Rodnick and Williams 1999) and among fish subject to different levels of contaminations (Bernet et al 2001). There are only a limited range of publications about the plasma biochemistry of sturgeons, and these studies are mainly focused on the biochemical changes responding to environmental variations (Le Breton et al 2004).…”

Section: Resultsmentioning

confidence: 99%

Comparative blood biochemistry of Amur sturgeon, Acipenser schrenckii, and Chinese surgeon, Acipenser sinensis

Shi

Zhuang

et al. 2006

Fish Physiol Biochem

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This study compared Amur sturgeon (Acipenser schrenckii) and Chinese sturgeon (Acipenser sinensis) on several biochemical parameters including glucose (GLU), urea, lactate dehydrogenase (LDH-L), activities of alanine aminotransferase (ALT), aspartate aminotransferase (AST), direct bilirubin (D.BILI), alkaline phosphatase (ALP), cholesterol (CHOL), triglyceride (TGL), creatinine (CREA), total protein (TP), and total bilirubin (T.BILI). The results showed that there were great differences in these parameters between the two species. The concentrations of GLU, UREA, LDH-L, ALT, AST, D.BILI, ALP, CHOL, TGL, CREA, and T.P for the Amur sturgeon were significantly higher than those for Chinese sturgeon.The T.BILI level of the Amur sturgeon was, however, significantly lower than that for the Chinese sturgeon.

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Effects of body size on biochemical characteristics of trabecular cardiac muscle and plasma of rainbow trout (Oncorhynchus mykiss)

Cited by 9 publications

References 24 publications

Effects of body mass on physiological and anatomical parameters of mature salmon: evidence against a universal heart rate scaling exponent

Effects of body mass on physiological and anatomical parameters of mature salmon: evidence against a universal heart rate scaling exponent

Effects of supplemental dietary l-carnitine and ractopamine on the performance of juvenile rainbow trout, Oncorhynchus mykiss

Comparative blood biochemistry of Amur sturgeon, Acipenser schrenckii, and Chinese surgeon, Acipenser sinensis

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