Volume 4, Number 3, September 2012

Genetics and Breeding

Genetic polymorphism of the melatonin receptor MT1 gene in four Bulgarian sheep breeds
D. Hristova, S. Georgieva, Ts. Yablanski, S. Tanchev, R. Slavov, G. Bonev

Biochemical investigations on sunflower lines (Helianthus annuus L.) and their hybrid combinations
N. Nenova, E. Penchev, M. Drumeva

Development and testing of experimental sunflower hybrids obtained by using doubled haploid lines
M. Drumeva

Stability of productiveness and technological qualities of diploid and triploid sugar beet varieties and hybrids
G. Kikindonov

Morphometric characteristic of European perch (Perca fluviatilis) related to sex dimorphism
I. Sirakov, Y. Staykov, E. Ivancheva, G. Nikolov, A. Atanasov

Correlations between grain yield and yield related traits in barley mutant lines
B. Dyulgerova

Nutrition and Physiology

Pharmacokinetics of tilmicosin in calves after single subcutaneous application
D. Dimitrova, P. Petkov, D. Tsoneva

Pharmacokinetics of pefloxacin in pigs after single intramuscular application
D. Dimitrova, V. Katsarov, D. Tsoneva

Age-related morphometric and weight parameters of third-eyelid (Harderian) gland in common bronze turkeys (Meleagris meleagris gallopavo)
D. Dimitrov

Effect of dried distillers’ grains with solubles from corn (ddgscc) fed on fattening lambs
M. Yossifov, L. Kozelov, K. Dimov

Research on the stimulating effect of Tribulus terrestris on the oviparous activity of the queen bees
I. Hristakov

Ethological parameters as markers of sheep welfare
І. Varlyakov, T. Slavov

Effect of dietary supplementation of dried distillers grains with solubles (Zarnela) on some rumen fermentation parameters in yearling sheep
V. Radev

Production Systems

Performance of three commercial hybrid layers housed in conventional and enriched cage systems
H. Lukanov, D. Alexieva

The evolution and current situation of sheep breeding in Romania
I. Răducuţă

Effect of soil compaction on nodulation of common bean (Phaseolus vulgaris L.)
G. Milev, P. Yankov

Effect of biostimulator Aveikan on growth manifestations yield and phytosanitary status in leek variety Starozagorski 72
S. Masheva, N. Valchev, V. Yankova

Influence of mineral fertilization on the harmful soil acidity and chemical composition of wine grape varieties
V. Valcheva, K. Trendafilov, S. Todorova

Studying the effect of irrigation furrows in maize grain
A. Stoyanova, M. Georgiev, L. Plescuta

Chemical composition, nutritive value, energy yield and feed units of the winter pea grain grown after different predecessors using conventional and organic production
M. Gerdgikova, M. Videva, D. Pavlov, A. Dobreva

Agriculture and Environment

Assessment of the physical-chemical status of surface water in lower part of Toundja river, Bulgaria
G. Mihaylova, G. Kostadinova, G. Petkov

Change of some chemical properties of alluvial-meadow soil (Mollic fluvisol) after long term fertilization
S. Todorova, N. Simeonova, K. Trendafilov, V. Valcheva

Investigation on the effect of the environment on some new common winter wheat varieties
E. Penchev, K. Kostov, I. Stoeva, V. Dochev

Chemometrical analyses of Zn distribution between water and soil of dams in Chirpan Municipality, Bulgaria
N. Georgieva, Z. Yaneva, M. Todorova, R. Ivanova, N. Nizamov, P. Neicheva

Comparative ecological analysis of the types of pasture and swards in Sakar and Strandzha region
V. Vateva, K. Stoeva

Product Quality and Safety

Physico-chemical quality characteristics of royal jelly from three regions of Bulgaria
R. Balkanska, I. Zhelyazkova, M. Ignatova

Microscopic method for qualification of the cut surface of white brined cheese
P. Boyanova, P. Panayotov, V. Ganchovska, A. Bosakova – Ardenska

Characterization of enzyme with carboxymethyl cellulase activity produced by Trichoderma reesei NRRL 3652
B. Zhekova, G. Dobrev, V. Dobreva, M. Hadjikinova

Investigations on production traits of mulard ducks with experimentally induced aflatoxicosis
I. Valchev, N. Grozeva, L. Lazarov, D. Kanakov, Ts. Hristov, R. Binev, Y. Nikolov

Study on levels of some heavy metals in water and liver of carp (Cyprinus carpio L.) from waterbodies in Stara Zagora region, Bulgaria
V. Atanasov, E. Valkova, G. Kostadinova, G. Petkov, N. Georgieva, Ts. Yablanski, G.Nikolov

Comparative electronmicroscopical study of the enterocytes of the duodenum of the Japanese quail (Coturnix japonica) and the wild type (Coturnix coturnix)
R. Mihaylov, R. Dimitrov, V. Yordanova