31
MAR
2019

Zoo-hygienic assessment of lighting in semi-open freestall barns for dairy cows

D. Dimov Department of Applied Ecology and Animal Hygiene, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria (Manuscript received 1 September 2018; accepted for publication 16 January 2019) Abstract. The aim of the present study was to perform a zoo-hygienic asses
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29
MAR
2016

Investigation on some biotic factors in carp fish ponds

D. Terziyski1*, H. Kalcheva2, A. Ivanova1, R. Kalchev2 1Institute of Fisheries and Aquaculture, 248 Vasil Levski, 4003 Plovdiv, Bulgaria 2Institute of Biodiversity and Ecosystem Research, Bulgarian Academy of Sciences, 2 Gagarin, 1113 Sofia, Bulgaria (Manuscript received 8 November 20
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06
MAY
2014

Loading of integrated fishponds with organic matter under different approaches of mule ducks (Anas platyrhynchos x Cairina moschata) feeding

The effect of the feeding regime of mule ducks on loading of fishponds with organic matter in integrated fish-cum-duck technology was studied at theInstitute of Fisheries and Aquaculture – Plovdiv. The stocking density of the ducklings was 340 pcs.ha-1. The coefficient of loading (Ì)
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