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.)

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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29
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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29
DEC
2020

Effect of Gmelina leaf meal diets on productive and physiological parameters of West African dwarf goats

P.C. Jiwuba1*, W.N. Amaduronye2, R.C. Akazue1 1Department of Animal Production Technology, Federal College of Agriculture, P.M.B. 7008, Ishiagu, Ebonyi State, Nigeria. 2Department of Animal Breeding and Physiology, Michael Okpara University of Agriculture, Umudike, Nigeria (Manuscript
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30
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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28
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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18
DEC
2014

Effect of linseed and sunflower oils in the diet on the growth parameters in rainbow trout (Oncorhynchus mykiss W.) cultivated in a recirculating system

G. Zheliazkov* Department of Biology and Aquaculture, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria Abstract. The aim of this study was to determine the influence of linseed and sunflower oils in the diet on the survival rate, weight gain and the feed conversi
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30
SEP
2014

Effect of linseed and sunflower oil supplementation in the diet on the growth performance in carp (Cyprinus carpio L.), cultivated in a recirculating system

Abstract. The aim of this study was to determine the influence of linseed and sunflower oil supplementation on the survival rate, weight gain and feed conversion ratio in carp (CyprinuscarpioL.), raised inarecirculating system. The fish in the experiment were reared in concrete tanks
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