Effect of starvation on growth, biochemical, hematological and non-specific immune parameters in two different size groups of grey mullet, Mugil cephalus (Linnaeus, 1758)

Akbary, Paria; Jahanbakhshi, Abdolreza

doi:10.1016/j.chnaes.2016.04.008

Cited by 30 publications

(18 citation statements)

References 35 publications

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“…WBCs are very sensitive to starvation (Mahajan & Dheer, ). An increase in the number of WBCs was observed in grey mullet (Akbary & Jahanbakhshi, ) but in the present study, WBCs did not alter significantly. It is likely that this different response to be associated with species‐specific differences (Mahajan & Dheer, ).…”

Section: Discussioncontrasting

confidence: 79%

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The effect of feeding strategies and body weight on growth performance and hematological parameters of Siberian sturgeon ( Acipenser baerii , Brandt 1869): Preliminary results

2018

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Summary The purpose of present study was to investigate the growth performance and hematological parameters of Siberian sturgeon Acipenser baerii in three feeding strategies (satiation feeding, restricted feeding and starvation). We considered two body weights 465.75 ± 11.18 g and 250.40 ± 12 g for large fish and small fish, respectively. In a 45‐day experiment, eighteen fiberglass tanks were used for six triplicate treatments. In restricted feeding strategy, the fish were fed to 50% of satiation and starved treatments were an absolute feed deprivation throughout the experiment. At the end of 45‐day period, the hematological parameters were measured. The reduction of weight, condition factor and daily growth rate in the smaller fish was dramatically higher than the larger fish. Feed deprivation increased the rate of weight loss. Specific growth rate were negative in the large and small fish of starved treatments. The hematological results revealed no significant differences in except for the number of monocytes in larger fish. Large satiated fish showed the highest number of monocytes. In general, these strategies (restriction and deprivation) did not have any negative impacts on the hematological parameter in both sizes but respect to fish body weight, difference in total feed input between satiated and restricted treatments changed growth performance. It seems that restricted feeding (50% of satiation) in large fish was enough to achieve optimal growth while the amount of feed provided for small fish was not enough. Therefore; we can conclude that the restricted feeding is an effective strategy in rearing sturgeon at higher weight when the rearing condition is unsuitable.

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Section: Discussioncontrasting

confidence: 79%

“…Similarly, a study conducted on Chinese sturgeon Acipenser sinensis subjected to short‐term starvation found the same result (Liu et al, ). Akbary and Jahanbakhshi () also reported reduced growth rate in smaller size grey mullet Mugil cephalus (mean weight 7.46 g). This result was consistent with our finding in smaller fish groups.…”

Section: Discussionmentioning

confidence: 90%

The effect of feeding strategies and body weight on growth performance and hematological parameters of Siberian sturgeon ( Acipenser baerii , Brandt 1869): Preliminary results

2018

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“…Effects of fasting on fish immune components have been rarely studied and led to conflict results. WBC and serum lysozyme increased in Mugil cephalus after 10–30 days fasting (Akbary & Jahanbakhshi, ). Caruso et al () reported decrease in serum lysozyme activity in Pagellus bogaraveo and increase in mucus lysozyme activity in D. labrax following 11–30 days fasting.…”

Section: Discussionmentioning

confidence: 99%

“…WBC and serum lysozyme increased in Mugil cephalus after 10-30 days fasting (Akbary & Jahanbakhshi, 2016 and Pagrus pagrus for 2 weeks resulted in a significant decrease in lysozyme and ACH50 activities (Caruso et al, 2012;Eslamloo, Morshedi, Azodi, & Akhavan, 2017). These decreases in immune components may be indicator of reduced fish resistance to diseases as Lim and Klesius (2003) and Klesius (1999) found that fasting resulted in suppressed survival rate of Ictalurus punctatus against pathogenic bacterium.…”

Section: Immune Responsesmentioning

confidence: 99%

“…Immune components are synthetized from ingested and digested food, and food deprivation causes nutrient shortage and may affect immune function (Klesius, 1999;Lim & Klesius, 2003;Tort, Balasch, & Mackenzie, 2003). Several studies have shown that fasting affects fish immune responses and disease resistance (Akbary & Jahanbakhshi, 2016;Caipang, Berg, Brinchmann, & Kiron, 2009;Caruso et al, 2012Caruso et al, , 2011, but the responses were case dependent.…”

Section: Lópezmentioning

confidence: 99%

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Effects of fasting on metabolic and immunological responses of common carp ( Cyprinus carpio ) to a further acute stress

Hoseini

Behrouz

2019

Aquac Res

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Common carp were fasted for 0, 3 and 14 days prior to exposure to a 2‐hr crowding stress. Serum cortisol, glucose, lactate, T4, T3, serum alternative complement (ACH50), lysozyme, total immunoglobulin (Ig) and blood WBC were determined before and 0, 6 and 24 hr after the crowding stress. Three days of fasting led to a significant decrease in serum levels of lactate and thyroid hormones. Fourteen days of fasting led to initiation of physiological process to maintain serum glucose by increase in serum cortisol level and lactate utilization. These fish had lower levels of thyroid hormones suggesting suppression of basal metabolism. The fish also had lower WBC and serum lysozyme and total Ig levels indicating immunosuppression. After the crowding stress, the fish fasted for 3 days had significantly lower lactate, thyroid hormones and total Ig levels. The fish fasted for 14 days had higher cortisol but lower glucose and thyroid hormones levels suggesting impairment in metabolic responses to the crowding stress. Immunological and health indicators including WBC, and ACH50, lysozyme and total Ig of these fish were significantly lower than the other groups after the crowding stress. Overall, the results show that a 14‐day fasting leads to stress responses, reduction in metabolism and immunosuppression. Moreover, 14 days of fasting lead to greater cortisol response to a further crowding stress, which induces marked immunosuppression and fallen welfare.

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Effect of starvation and refeeding on oxidative stress and antioxidant defenses in Yangtze sturgeon (Acipenser dabryanus)

Yang

Yan

et al. 2019

Fish Physiol Biochem

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Effect of starvation on growth, biochemical, hematological and non-specific immune parameters in two different size groups of grey mullet, Mugil cephalus (Linnaeus, 1758)

Cited by 30 publications

References 35 publications

The effect of feeding strategies and body weight on growth performance and hematological parameters of Siberian sturgeon ( Acipenser baerii , Brandt 1869): Preliminary results

The effect of feeding strategies and body weight on growth performance and hematological parameters of Siberian sturgeon ( Acipenser baerii , Brandt 1869): Preliminary results

Effects of fasting on metabolic and immunological responses of common carp ( Cyprinus carpio ) to a further acute stress

Effect of starvation and refeeding on oxidative stress and antioxidant defenses in Yangtze sturgeon (Acipenser dabryanus)

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