30
SEP
2021
Effect of black pepper (Piper nigrum) extract on productive traits, economic efficiency and blood biochemical parameters of rainbow trout (Oncorhynchus mykiss W.)
BLACK PEPPER EXTRACT, FEED ADDITIVE, feed conversion ratio, Oncorhynchus mykiss, survival rate, WEIGHT GAIN
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Ts. Stoev, G. Zhelyazkov Department of Biology and Aquaculture, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria (Manuscript received 5 June 2021; accepted for publication 10 August 2021) Abstract. The aim of the present study was to evaluate the effect of the di
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DEC
2020
Productive traits, blood biochemical parameters and meat quality of rainbow trout (Oncorhynchus mykiss W.) fed with supplement of nutmeg extract (Myristica fragrans)
Ts. Stoev, G. Zhelyazkov* Department of Biology and Aquaculture, Faculty of Agriculture, Trakia University, Students campus, 6000 Stara Zagora, Bulgaria (Manuscript received 2 September 2020; accepted for publication 16 November 2020) Abstract. The aim of the present study was to eval
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SEP
2018
Effect of monosodium glutamate dietary supplementation on some productive traits of common carp (Cyprinus carpio L.), cultivated in net cages
G. Zhelyazkov* Department of Biology and Aquaculture, Faculty of Agriculture, Trakia University, 6014 Stara Zagora, Bulgaria DOI: 10.15547/ast.2018.03.039 (Manuscript received 30 May 2018; accepted for publication 15 August 2018) Abstract. The aim of the study was to d
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MAR
2018
Effect of nutmeg extract supplementation on some productive traits and economic efficiency of common carp (Cyprinus carpio L.) cultivated in recirculation system
Zhelyazkov*, S. Stoyanova, I. Sirakov, K. Velichkova, Y. Staykov Department of Biology and Aquaculture, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria (Manuscript received 21 December 2017; accepted for publication 16 February 2018) Abstract. The aim o
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SEP
2014
Growing of common carp fingerlings in net cages at different stoking densities
Y. Staykov*, S. Stoyanova Department of Biology and Aquaculture, Faculty of Agriculture, Trakia University, Stara Zagora, Bulgaria Abstract. The stocking density is one of the most important parameters of fish growth and productivity in farming activities. The aim of the study was to
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