Fingerling production and stock enhancement of Mahisefid (Rutilus frisii kutum) lessons for others in the south of Caspian Sea

Abdolhay, Hossein Ali; Daud, Siti Khalijah; Ghilkolahi, S. Rezvani; Pourkazemi, M.; Siraj, Siti Shapor; Satar, M.K.A.

doi:10.1007/s11160-010-9163-9

Cited by 28 publications

(16 citation statements)

References 26 publications

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“…Kutum (Rutilus frisii) is one of the most commercially important fish of the south shores of the Caspian Sea and each year millions of artificially propagated larvae of this fish are released into the Caspian Sea (Abdolhay et al, 2011). Destruction of spawning ground of this species by overfishing has caused remarkable diminution of the stocks in the Caspian Sea (Abdolmaleki, 2006).…”

Section: Introductionmentioning

confidence: 99%

“…Destruction of spawning ground of this species by overfishing has caused remarkable diminution of the stocks in the Caspian Sea (Abdolmaleki, 2006). However, the Iranian Shilat organization has developed propagation and culture methodologies to reduce pressure on natural Caspian Sea populations (Abdolhay et al, 2011). Intensification of fish farming in aquaculture often leads to deterioration of water quality and this condition makes the cultured organism vulnerable to diseases.…”

Section: Introductionmentioning

confidence: 99%

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EFFECTS OF DIETARY COMMERCIAL YEAST GLUCAN ON INNATE IMMUNE RESPONSE, HEMATOLOGICAL PARAMETERS, INTESTINAL MICROBIOTA AND GROWTH PERFORMANCE OF WHITE FISH (Rutilus frisii kutum) FRY

Rufchaie¹,

Hoseinifar²

2014

CJF

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This study investigates the effects of different levels of commercial yeast glucan (CYG) on innate immune response, hematological parameters, intestinal microbiota, growth performance and survival rate of white fish (kutum) fry. Specimens (1.1 ± 0.15 g) were randomly allocated into 15 tanks (100 L) at a density of 25 fish per tank and triplicate groups were fed either a basal control diet (0% CYG) or a basal diet supplemented with yeast (0.5, 1, 1.5 or 2% CYG) for 60 days. All dietary CYG levels significantly increased the innate immune responses (IgM levels and lysozyme activity) (P < 0.05) and the highest survival was observed in the 1 and 1.5% CYG group. Compared to the control group, CYG had no effects on RBC, Hct and Hb (P > 0.05), but WBC levels were significantly higher in CYG fed fish (P < 0.05). Microbiological assessment indicated that the viable culturable autochthonous and lactic acid bacteria (LAB) levels significantly elevated in 0.5 and 1% treatments. Our results indicated that low levels of dietary CYG (0.5 and 1 %) improved growth performance, body protein levels and survival rate compared to the control treatment (P < 0.05). These results indicate that CYG stimulates innate immune response, improves growth performance and modulates intestinal microbiota of kutum fry. Thus, we suggest that low level CYG may be used as a beneficial dietary supplement in kutum fry culture.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

EFFECTS OF DIETARY COMMERCIAL YEAST GLUCAN ON INNATE IMMUNE RESPONSE, HEMATOLOGICAL PARAMETERS, INTESTINAL MICROBIOTA AND GROWTH PERFORMANCE OF WHITE FISH (Rutilus frisii kutum) FRY

Rufchaie¹,

Hoseinifar²

2014

CJF

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“…Further studies investigating the diet of different migratory kutum populations in the rivers flowing to the Caspian Sea are required in order to clarify the spatial variation of the carotenoid content in eggs. Abdolhay et al (2009Abdolhay et al ( , 2012 demonstrated that the Caspian kutum populations, migrants to the Tajan and Shirud Rivers, are morphometrically and genetically different. Thus, the observed differences in the egg carotenoid content of these fish in the two locations could be due to differences in the actual fish populations.…”

Section: Discussionmentioning

confidence: 99%

Carotenoid content and colour of eggs in migratory broodstock kutum (Rutilus frisii kutumKamensky, 1901) (Osteichthyes: Cyprinidae) in the Shirud and Tajan Rivers, south Caspian Sea

Alijanpour

Bani

Tizkar³

et al. 2014

Italian Journal of Zoology

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Carotenoids have a proven and positive impact on fish reproduction success. It is believed that highly pigmented eggs reflect the level of carotenoid content and this, in turn, has an effect on the viability of the eggs. Kutum, Rutilus frisii kutum, a species endemic to the south Caspian Sea, display different egg colours (yellow, orange or green) during the spawning season. In this study, we investigated the percentage of adult female kutum with the different egg colours, analysing the carotenoid content for each egg colour and the fertilisation rate for each egg colour in female migratory kutum in the Shirud and Tajan Rivers within the province of Mazandaran, Iran. The average of egg-carotenoid content of kutum in the Shirud River (6.63 ± 0.28 µg.g −1 ) was less than those for fish in the Tajan River (7.91 ± 0.27 µg.g, indicating a spatial variation in egg-carotenoid content of the fish. The orange and yellow eggs had more carotenoid than green eggs. Additionally, larger fish had a higher concentration of carotenoid compared with their smaller counterparts. The fertilisation of orange and yellow eggs was somewhat associated with egg-carotenoid content.

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“…The kutum Rutilus frisii kutum (from the family Cyprinidae) is one of the most commercially valuable fish species in the southern coasts of the Caspian Sea that has adapted to inhabit the brackish water of the sea and the surrounding lagoons (15). The foremost distribution of kutum is from the Cora River to the Gomishan region (northeastern Caspian Sea), 90% of which is native to the sea.…”

Section: Introductionmentioning

confidence: 99%

A comparative study on some blood factors in male and female Caspian kutum (Rutilus frisii kutum) broodstock from southern basin of the Caspian Sea

Firouzbakhsh¹

2013

Turk J Vet Anim Sci

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Fingerling production and stock enhancement of Mahisefid (Rutilus frisii kutum) lessons for others in the south of Caspian Sea

Cited by 28 publications

References 26 publications

EFFECTS OF DIETARY COMMERCIAL YEAST GLUCAN ON INNATE IMMUNE RESPONSE, HEMATOLOGICAL PARAMETERS, INTESTINAL MICROBIOTA AND GROWTH PERFORMANCE OF WHITE FISH (Rutilus frisii kutum) FRY

EFFECTS OF DIETARY COMMERCIAL YEAST GLUCAN ON INNATE IMMUNE RESPONSE, HEMATOLOGICAL PARAMETERS, INTESTINAL MICROBIOTA AND GROWTH PERFORMANCE OF WHITE FISH (Rutilus frisii kutum) FRY

Carotenoid content and colour of eggs in migratory broodstock kutum (Rutilus frisii kutumKamensky, 1901) (Osteichthyes: Cyprinidae) in the Shirud and Tajan Rivers, south Caspian Sea

A comparative study on some blood factors in male and female Caspian kutum (Rutilus frisii kutum) broodstock from southern basin of the Caspian Sea

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