14
MAY
2014

Influence of key factors on the time of initial coagulation of cow’s milk using milk-clotting enzyme of camel origin

P. Panayotov, K. Yoanidu, P. Boyanova, B. Milenk Abstract. The process of rennet coagulation of cow’s milk, obtained using the milk-clotting enzyme of camel origin was studied. The rate of the coagulation process conducted by enzymes of various origins is also different. Coagula
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14
MAY
2014

Comparative GC/MS analysis of lavender (Lavandula angustifolia Mill.) inflorescence and essential oil volatiles

T. Zagorcheva, S. Stanev, K. Rusanov, I. Atanassov Abstract. The composition of lavender inflorescence volatiles and distilled essential oils is significantly influenced by a number of factors, which makes it difficult to perform comparative analysis for larger lavender genetic resour
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14
MAY
2014

Study of bee honey by spectral analysis in the near infrared spectrum

I. Zhelyazkova, S. Atanasova , K. Elencheva – Karaneycheva Abstract. The objective of the present study is to examine samples of bee honey of different origin and create models for their classification through spectral analysis in the near infrared spectrum. Representative samples uni
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14
MAY
2014

Sanitary hygienic assessment of drinking water from underground source at a pig farm

G. Kostadinova Abstract. The aim of the study was to investigate and assess the quality of drinking water, obtained from own well source at a pig farm (with an average daily number of reared pigs 532 units), situated in South Bulgaria, Plovdiv Municipality, on the base of main organol
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14
MAY
2014

The influence of organic carbon on bioremediation process of wastewater originate from aquaculture with use of microalgae from genera Botryococcus and Scenedesmus

I. Sirakov, K. Velichkova, G. Beev, Y. Staykov Abstract. Advantages of using algae for wastewater treatment include: low operational cost, possibility of recycling assimilated nitrogen and phosphorus within the algae biomass as a fertilizer, accumulated biomass for biofuel. Our purpos
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14
MAY
2014

Comparative assessment of plant resources as substrates for bioshlam production

Z. Shindarska, V. Kirov, G. Kostadinova, B. Baykov It was made a comparative assessment of the main technological parameters of the silages of different types as a source for the production of biogas as well as it was given an assessment to the bioshlam derived from them. For this pur
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14
MAY
2014

Productivity of green beans, irrigated at different pre-irrigation soil moisture

R. Petrova, A. Matev, K. Koumanov, B. Harizanova-Petrova Abstract. The aim of the study was to establish productivity of green bean, variety “Strike” irrigated at different pre-irrigation soil moisture. The field experiment was conducted during the period 2010 – 2012 on th
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14
MAY
2014

Feasibility of the use of heat energy from alternative sources for air conditioning in sows facility

K. Peichev, R. Georgiev Abstract. A heat engineering analysis of the heat flows in a typical housing facility for raising lactating sows was made. The results obtained were used to design a conceptual model for air conditioning (cooling) by a thermally powered cyclic process of an abs
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14
MAY
2014

Productivity and economic traits of winter oilseed rape (Brassica napus var. biennis) under the conditions of Dobrudzha

G. Georgiev, G. Georgiev, P. Chamurliyski Abstract. During the last decade oilseed rape has become a main field crop in Bulgaria. In 2001, about 240 thousand ha were sown with this crop, mainly with foreign varieties and hybrids. The increasing demand and the large market for this oil
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14
MAY
2014

Evapotranspiration of corngrop for silage

R. Bazitov, A. Stoyanova Abstract. During the period of 2009–2012 in the experimental field of the Agricultural Institute, Stara Zagora on soil type meadow cinnamon soil was conducted experiment with silage corn first crop. Corn was grown after predecessor wheat – pea mixture. F
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