Archive Volume 5
Number 1
Preface
Prof. Ivan Atanassov
Mr. Ventsislav Varbanov
Assoc. Prof. Dr. Georgi Moskov
Plenary Session
On Mediterranean Soils Conferences: A Brief History
D.H.Yaalon.
Soil Resilience - a Basis for Sustainable Land Use
W.E.H. Blum.
Impacts of Land Degradation in the Mediterranean Region
H. Eswaran and P. Reich
Classification, Properties and Distribution of Red Mediterranean Soils
T.G. Boyadjiev and I. Atanassov
Topic A: GENESIS AND CLASSIFICATION OF SOILS IN REGIONS WITH MEDITERRANEAN TYPE CLIMATE
Soils with a Xerix Soil Moisture Regime in North Africa
R. Almaraz and H. Eswaran
Heavy Mineral Content of the Fine Sand Fraction of Some Red Soils in Murcia (SE Spain)
A. Faz, M.T. Fernandez and R. Ortiz
13C NMR Studies of Organic Matter in Some Red Soils from Murcia, Southeast Spain
A. Faz, A.R. Mermut and R. Ortiz
Study of the Mineralogical Composition of Cinnamonic Forest Soils from South-Eastern Bulgaria
E. Velizarova and G. Popov
Climatic Conditions for the Formation of Red Soils in Bulgaria
G. Gjurov and N. Artinova
Humus Systems of Soils Formed under Mediterranean Climate Influence on the Territories of Bulgaria, Greece and Turkey
M. Grozeva and L. Petrova
Morphogenetic and Physico-Chemical Nature of Terra Rossa from Slaviyanka Mountain
M. Teoharov and A. Arsova
Zinc and Copper Adsorption by Red Mediterranean Soils
K.P. Prodromou, A.Pavlatou-Ve, N.Barbayiannis and A.Spyropoulos
Mineralogical and Micromorphological Characteristics of Two Greek Red Mediterranean Soils
A. Spyropoulos and A. Simonis
Mineralogical and Physico-Chemical Study of Chromic Luvisol Clays from Greece and Bulgaria
K. Boneva and I. Atanassova
Fe, Al, and Mn Extractable Compounds along Depth of Soils with Different Colour
M. Jokova and M. Teoharov
Organic Matter Particularities of South-Eastern Rhodope Mountain Soils
T. Shishkov and L. Petrova
Topic B: SOIL FERTILITY IN THE REGIONS WITH MEDITERRANEAN TYPE CLIMATE
Response of Cotton Grown in Central Greece to Different Levels of Mineral Fertilization
I. Manolov
Trophicity of Chromic Sols in Mediterranean Area
V. Alexandra
A Nutritional Survey of Cv. Starkcrimson at Kastoria District (Northern Greece)
D. Velemis, D. Almaliotis and S. Bladenopoulou
Suitability of the Alluvial-Meadow Soils in the Maritsa River Basin for Vegetable Crops Growing
D. Stoichev, P. Alexandrova, L. Raikova, G. Angelov, D. Stoicheva and D. Donov
Productive Possibilities of Red Mediterranean Soils (Chromic Luvisols, FAO) in the Region of Kardjali (Bulgaria)
P. Bojinova, V. Krasteva and E. Filchevav
Changes of Nitrogen Regime of Cinnamonic-podzolic Soil in South Bulgaria as Affected by Long-term Mineral and Organic-mineral Fertilization
E. Ikonomova, V. Koutev and R. Balabanova-Georgieva
Topic C: SOIL POLLUTION AND DEGRADATION IN THE REGIONS WITH MEDITERRANEAN TYPE CLIMATE
Removal of Cd by Winter Barley (H. vulgare L.), Grown in Soils with Cd Pollution
A. Vassilev and P. Zaprianova
Speciation of Trace Elements in Red Mediterranean Soils from Se Barcelona Area (Spain)
J. Bech, A. Lansac and J. Rustullet
Risk Assessment of the Herbicide Imazethapyr in Two Different Soils
D. Petkova and R. Donkova
Development of a GIS Database for Polluted Agricultural Lands of Bulgaria
I. Atanassov
Ecological Evaluation of the Nitrogen Fertilizer Application in the Paddy Fields
D. Stoichev, D. Stoicheva, G. Angelov and K. Dimitrova
Estimation of the Sludge Utilization from the Waste Waters Treatment Plants near Plovdiv Relating on the Limitance from the Heavy Metal Surplus
S. Marinova and H. Chuldyan
Adsorption-Desorption Characteristics of Cu and Competition with Cd, Zn and Ni in Gleyic Acrisol Clay
I. Atanassova.
Maximum Acceptable Concentrations of Cd, Ni, Cr and Hg in Agricultural Soils Depending on pH of the Soil
N. Nikolov and E. Zlatareva
A Comparative Study of Methods for Availability of Pb, Zn and Cd in Polluted Calcareous Soils
E. Zlatareva and N. Nikolov
Topic D: SUSTAINABLE LAND USE IN THE MEDITERRANEAN REGIONS
Regularities of Soil Detachment by Water Flow for Some Soils from Azerbaijan and Tadjikistan with Mediterranean Climate
M.S. Kuznetsov, V.M. Gendugov, O.A. Bazarov, M.S. Khalilov and A.D. Fless
Amelioration of the Planosol for Sustainable Land Use
E. Doneva and N. Shopski
Algae Flora in Soils from the Mediterranean Region
I. Puneva and M.Gr. Sokolovska
Moisture Regime of Soils in South-Eastern Romania
A. Canarache
Determinants of Sustainable Agriculture in the Southern Coastal Plains of Albania
P. Zdruli and H. Eswaran
Economic Bases for Sustainable Land Use in Thrace Area, Turkey
F. Avsar
Mycorrhizal Status of Vineyards Agricultural Red Mediterranean Soils in N. Syllata Area in Northern Greece
N. Karagiannidis and D. Velemis
List of participants
Number 2
I Panel Session: Structural Changes in Agriculture in CEECs and FSU
Agricultural Privatization, Land Reform and Farm Restructuring in Central and Eastern Europe
J. Swinnen and E. Mathijs
New Farm Structures in the FSU: Has Efficiency Begun to Change
Z. Lerman
Structural Changes in Bulgarian Agriculture
I. Kanchev and J. Doichinova
Comparative Analysis of the Process of Transition in the Agricultural Sector of Selected Central and East EuropeanCountries: The KATO Research Project
Konrad Hagedorn and Volker Beckmann
II Panel Session: Farm Restructuring and Efficiency
Privatization, Farm Structures and Efficiency of Agricultural Production in Central and Eastern Europe
E. Schulze and P. Tillack
Examining Feasible Income Effects of Slovene Agriculture in the Light of Future Accession to EU
E. Erjavec, M. Rednak, J. Turk and T. Volk
Farm Structure Development under Market Economic Conditions – Theoretical Considerations and Empirical Evidence
S. Rasmussen
The Total Factor Productivity of Farm Structures in Central and Eastern Europe
G. Hughes
Production Efficiency and Organization of Czech Agriculture
E. Mathijs, L. Dries, T. Doucha and J. F. M. Swinnen
III Panel Session: Farm Efficiency – Country Cases
Land Reform and De-collectivisation in CEECs: Some Conceptual Issues
S. Davidova and A.Buckwell
Comparison of Farm Efficiency in Market and Transition Economies: Application of Non-parametric Data Development Analysis to East and West Germany
C. Brodersen and H. Thiele
Influence of Structural and Income Policies on Size and Product Pattern of Production Units in Bulgarian Agriculture
P. Mishev, M. Tzoneva, N. Ivanova and P. Kostov
Nature, Evolution and Efficiency of Farm Structures in Jugoslavia
T. Krmpotic, D. Petkovicanc G. Musanic
Economic Behaviour of the Collective Enterprises in Transitional Economies and Policy Implications
E. Serova
IV Panel Session: Farm Efficiency, Credit Institutions, Information Needs, Social Implication
Agricultural Producers Associations and the Reorganization of Milk Supply in Italy
D. Rama and C. Lanciotti
Information Needs of Farm Structures in Transition: Asymmetric Information Approach
R. Aikova and D. Terziev
A Model of Financial Intermediaries in Agriculture
D. Nikolov
Social Policy Concerning Incomes Under The Ongoing Reform in Agriculture
S. Hristova and H. Hristov
Fruits and Vegetables Marketing Channels
R. Hristov
Number 3
Plant Science
Temperature and Precipitation Effect on Barley Yields
N. Przulj, V. Momcilovic and N. Miadenov
Received December, 23, 1998; accepted February, 12, 1999
Isolation of Mesophyll Protoplasts from Prunus domestica cv. Quetche
V. Kondakova
Received October, 5, 1998; accepted February, 12, 1999
Influence of Natural Products of Macrolofus costalis Fieb. on Tobacco
A. Nikolov
Received January, 15, 1999; accepted February, 12, 1999
Soil Science and Agrochemistry
Crops Productivity and Changes in Soil Nutritional Regime at Different Fertilizer Systems
T. Tomov, I. Manolov, S. Kostadinova and Y. Matev
Received December, 8, 1998; accepted February, 12, 1999
Influence of the Fertilization on the Properties of Durum Wheat Grain and Pasta Products
G. Panayotova and St. Gorbanov
Received January, 4, 1999; accepted February, 12, 1999
Animal Science
Assoation between Different Somatic Cell Count and the Production, Fat and Protein in Sheep Milk
N. Petrova, D. Nedelchev and D. Todorova
Received January, 26, 1999; accepted February, 12, 1999
Effect of Dietary Protein Degradability on Microbial Protein Supply to the Small Intestine of Sheep
D. S. Djouvinov
Received November, 1, 1998; accepted February, 12, 1999
Extruded Full-fat Soybeans as an Ingredient for Dietary Formulation for Broiler Chickens
N. A. Todorov, V. K. Gueorgieva, D. S. Djouvinov and J. Mitev
Received November, 3, 1998; accepted February, 12, 1999
Influence of Nitrates on the Growth of Tillapia and Possibilities for Reducing their Detrimental Effect
D. Pavlov, Y. Staykov, T. Mircheva, J. Mitev and D. Djouvinov
Received November, 3, 1998; accepted February, 12, 1999
Studies on the Net Cage Cultivation of Two-Summer-Old Carp (Cyprinus carpio) with Special Emphasis on the Growth Rate and Economic Results
Y. S. Staykov, I. Georgiev, J. E. Mitev, V. Atanassov and D. Djouvinov
Received December, 10, 1998; accepted February, 12, 1999
Cocoon Shape Inheritance in Hybrids between Multivoltine and Uni-Bivoltine Silkworm Bombyx mori L. Races
P. Tzenov, Y. Nacheva and N. Petkov
Received February, 18, 1998; accepted October, 5, 1998
Study of Weight and Linear Growth of Tench (Tinca tinca L.) Cultured in Fishponds
T. Hubenova – Siderova and L. Hadjinikolova
Received December, 15, 1998; accepted February, 12, 1999
Meat Quality of lntensively Fattened Ducks Broilers
D. Alexieva, A. Genchev and V. Drbohlav
Received January, 7, 1999; accepted February, 12, 1999
Estimation of Volatine Fatty Acid Production in the Rumen of Sheep. I. Effect of Infusing Propionic and Butyric Acid in the Rumen on its Characteristics
D. S. Djouvinov
Received February, 12, 1999; accepted May, 31, 1999
Microbiological Analysis of Bulk Raw Goat Milk
I. Vashin, G. Mihailova, Sv. Tiankov and V. Kafedjiev
Received October, 30, 1998; accepted February, 12, 1999
Correlations among Selection Traits in Buffaloes from New Breed Established in Bulgaria
P. Penchev
Received September, 24, 1998; accepted February, 12, 1999
Freezing Ability of Sperm from Young Buffalo and Cattle Bulls
Sv. Kolev and K. Dimov
Received November, 21, 1998; accepted February, 12, 1999
Characteristic of the Morphological Traits of the Udder in Buffaloes
K. Dimov, M. Tzankova and A. Alexandrov
Received December, 9, 1998; accepted February, 12, 1999
Veterinary Medicine
Effect of the Synthetic Pyretroid Deltamethrin on the Level of Sulfhydryl Groups in Rat Liver
S. Cheshmedjieva, P.Popova, T. Modeva, I. Dimitrova and Ya. Profirov
Received December, 22, 1998; accepted February, 12, 1999
Historical Data, Spreading, Aetiology and Epidemiology of Mycotxic Nephropathy (Ochratoxicosis) in Pigs (review)
S. D. Stoev
Received June, 26, 1998; accepted February, 12, 1999
Prevalence of the Hydatid Echinococcosis in the Plovdiv District
V. Toncheva and P. Zhelyaskov
Received October, 14, 1998; accepted February, 12, 1999
A Study on Echinococcosis in Humans in Bourgas Region for the Period 1991-1998
A. Stoyanov, J. Mitev, D. Dimanov, T. Gogov and S. Georgiev
Received December, 9, 1998; accepted February, 12, 1999
Seasonal Changes in Serum Enzymes of Male Goats
S. O. Hussain, K. I. Al-Badry, A. S. Al-Jahabi and M. K. Asofi
Received January, 10, 1999; accepted February, 12, 1999
Short Communications
Investigation on Photosynthesis, Dark Respiration and Transpiration with in vitro Cultured Vine Plants during Their Acclimatization
V. Dimitrova and T. Slavcheva
Standard of the Karakachan Dog
V. Dintchev
Number 4
Plant Science
DNA Markers and its Application in Plant Breeding for Desease Resistance in Wheat
N. A. Alexandrova, E. G. Todorovska, E.I. Marinova and A.I. Atanassov
Received March, 10, 1999; accepted May, 31, 1999
Effect of Vegetation Rainfalls on Grain Yield from Lentil (Lens culinaris Medic) under the Conditions of Dobroudja (Bulgaria)
G. Milev
Received March, 4, 1999; accepted May, 31, 1999
Effect of the Length of the Growing Season of the Rice in Relation to Attacking Degree by Some Seedborn Pathogens
Y. Stancheva, M. Todorov and S. Angelova
Received March, 4, 1999; accepted May, 31, 1999
Characterization of Cucumber Mosaic Virus (CMV) Tolerance in Cucumber Breeding Lines Using Indirect ELISA
D. Kostova, A. Karparov and M. Alexandrova
Received April, 10, 1999; accepted May, 31, 1999
Naturally Occurrence of Entomopathogenic Deuteromycotina in Bulgaria
S. Draganova
Received March, 9, 1999; accepted May, 31, 1999
Establishment of Squash Mosaic Virus (SqMV) in Seeds of Sugarbeet and Cucurbit Crops by ELISA Method
B. Dikova
Received February, 24, 1999; accepted May, 31, 1999
Food Science
Yeast and Food: Tradition and Perspectives Soil Science, Agrochemistry and Ecology
A. Angelov and Z. Roshkova
Received February, 24, 1999; accepted May, 31, 1999
Effect of Nitrogen Fertilization and Variety Differences on Nitrate Reductase Activity of Wheat (Triticum aestivum)
I. Manolov, V. Chalova and S. Kostadinova
Received January, 18, 1999; accepted May, 31, 1999
Investigations on Fertigation of Peach on Three Soils. I. Migration and Localization of Nitrogen
G. Stoilov, K. Koumanov and D. Dochev
Received March, 18, 1999; accepted May, 31, 1999
Investigations on Fertigation of Peach on Three Soils. II. Migration and Localization of Phosphorus
G. Stoilov, D. Dochev and K. Koumanov
Received March, 18, 1999; accepted May, 31, 1999
Animal Science
Effect of Different Feeding Levels of First Litter Sows during Pregnancy on the Changes in Body Weight
M. Ignatova and D. Vassilev
Received April, 11, 1999; accepted May, 31, 1999
Phenotypic and Genetic Variability of Some Traits Characterizing the Qualities of Fresh Semen in Buffalo Bulls
Sv. Kolev and I. Sabeva
Received April, 11, 1999; accepted May, 31, 1999
Optimum Live Weight and Productivity of the Sheep from North-Eastern Bulgarian Fine Fleece Breed - Shoumen Type
G. Stefanova
Received March, 13, 1999; accepted May, 31, 1999
Comparative Studies on the Trypsin Inhibitor Activity in Soybean Seeds and Soybean Products
V. Tzvetkova and M. Simovska
Received March, 19, 1999; accepted May, 31, 1999
Prediction of Lactation Yield by Multiple Regression in Pleven Blackhead Dairy Sheep
G. Dimov, D. Georgiev and G.Getov
Received March, 17, 1999; accepted May, 31, 1999
Veterinary Medicine
Shearing Stress in Pregnant Ewes.
I. Progesterone Level
D. Gudev, E. Kistanova, I. Alexiev and S. Alexsandrov
Received April, 1, 1999; accepted May, 31, 1999
Dynamics of Some Biochemical Parameters in Cocks Semen during the Productive Period and Their Relationship with the Fertility
V. Atanassov, S. Dimitrov, E. Dishlyanova and T. Angelova
Received March, 5, 1999; accepted May, 31, 1999
Biochemical and Biological Characteristics of Tilapia Fingerlings Reared at Different Stock Densities
V. K. Atanassov, Y. S. Staykov and J. E. Mitev
Received March, 11, 1999; accepted May, 31, 1999
A Study on Echinococcosis / Hydatosis in Animals
A. Stoyanov, D. Dimanov, J. Mitev and S. Georgiev
Received March, 5, 1999; accepted May, 31, 1999
Influence of the Yeast Culture (Yea - Sacc-1026) on the Rumen Metabolism in Sheep Agricultural Economics
V. Radev
Received April, 13, 1999; accepted May, 31, 1999
Marketing Survey among Private Farmers about the Business and Services They Prefer
N. Naidenov and L. Liubenov
Received March, 5, 1999; accepted May, 31, 1999
Financial Conditions of the Enterprises in the Canning Industry in Bulgaria in the 1990-ies
A. Simova
Received April, 15, 1999; accepted May, 31, 1999
Economic Assessment of Agricultural Marcet Distortions in Bulgaria during the Transition: PAM Analysis
N. Ivanova
Received April, 8, 1999; accepted May, 31, 1999
Agricultural Technics
A Computer Vision System for Separating Tulip Bulbs into Size Groups
V. Naydenov, G. Mitev and A. Keen
Received March, 15, 1999; accepted May, 31, 1999
The Theoretical Basis for Optimum Levels of the Energy Consumption Rates in Grain Production
D. S. Ivanov
Received March, 25, 1999; accepted May, 31, 1999
Number 5
Plant Science
A study of the rheological properties of T. aestivum germplasm from different geographic areas
D. Boyadjieva, V. Dacheva and M. Mungova
Received August, 5, 1999; accepted September, 30, 1999
Distribution of phaseolin types of common beans Phaseolus vulgaris L. depending on physical and geographical conditions of the territory of Bulgaria
N. Tomlekova, T. Cholakov, I. Poriazov and P. Ivanov
Received August, 10, 1999; accepted September, 18, 1999
Influence of basic fungicide groups on pollen germination of grape varieties Bolgar and Cabernet Sauvignon
A. Nikolov, P. Botiyanski, D. Kehayov and V. Roichev
Received May, 3, 1999; accepted July, 31, 1999
Soil Science, Agrochemistry and Ecology
Investigations on fertigation on three soils – zones of salt accumulation
K. Koumanov, G. Stoilov and D. Dochev
Received May, 3, 1999; accepted July, 31, 1999
Reaction of different varieties winter barley (Hordeum vulgare) to lead concentration in the soil
I. Manolov
Received May, 3, 1999; accepted July, 31, 1999
Arsenic accumulation and effect on peroxidase activity in green bean and tomatoes
E. Miteva and S. Peycheva
Received February, 16, 1999; accepted July, 30, 1999
Transorgan tissue pH gradients and their significance for the maize plant functioning as a whole in the process of nutrient uptake during ontogenesis
N. Mitreva
Received February, 11, 1999; accepted July, 31, 1999
Food Science
Migration and detoxification of neocidol in membrane milk treatment
K. Dinkov
Received May, 31, 1999; accepted July, 31, 1999
Animal Science
Difference between species in the metabolism of technogenic radionucleids in the mammary gland of dairy animals
Tz. Hinkovski and V. Marinov
Received June, 10, 1999; accepted July, 31, 1999
Comparison of milk yield prediction by two and three test day records in Pleven Blackhead dairy sheep
G. Dimov, D. Georgiev and G. Getov
Received March, 17, 1999; accepted July, 31, 1999
Sources of specific variance and genetic determination of the earning in horses from Arabian breed
I. Sabeva
Received July, 12, 1999; accepted September, 7, 1999
Functional peculiarities of the udder in buffalo cows
K. Dimov, M. Tzankova and A. Alexandrov
Received April, 16, 1999; accepted July, 31, 1999
Relations between exterior and lineal measurements of carcass and meat productivity of buffalo calves
K. Dimov
Received January, 11, 1999; accepted July, 31, 1999
Veterinary Medicine
Investigation of some biochemical parameters in cervical mucus samples of fertile, repeat breeder and PGF2a synchronised cows
M. Soylu, K. M. Cetin, I. Dogan, N. Gunes, U. Gunay and F. Erzurum
Received June, 1, 1999; accepted July, 31, 1999
Main blood vessels of the canine prostatic gland
M. Stefanov, R. Martin-Orti, R. Martin and I. Gaspar
Received May, 3, 1999; accepted July, 31, 1999
Seasonal changes in certain seminal attributes of Friesian bulls in Iraq
A. S. Al-Janabi, B. M. Abdul-Latif, K. I Al-Badry and F. F. Ibrahim
Received March, 30, 1999; accepted September, 5, 1999
Treatment of MMA syndrome in sows with the ecologically safe preparation tetrasim
T. Marinkov, T. Stoykova, D. Kotchankov, P. Parvanov, E. Slavov and V. Spasova
Received March, 24, 1999; accepted July, 31, 1999
How to determine the age of the golden jackal Canis aureus by cutting-teeth atrition and ossification of basal cranial synchondroses
E. Raychev, R. Dimitrov, T. Dimova and Hr. Hristov
Received June, 14, 1999; accepted July, 31, 1999
Agricultural Economics
Overview and prospectives for the development of the dairy industry in Bulgaria
A. Simova
Received February, 10, 1999; accepted May, 31, 1999
Agricultural Technics
Investigation of the theoretical model for optimum levels of the energy expenditure in grain production
D. Ivanov
Received March, 30, 1999; accepted July, 31, 1999
Number 6
Plant Science
Dry Matter Accumulation and Chemical Copmosition in Bulgarian Varieties of Lentil I. Dry Matter Accumulation
T. K. Tonev, M. I. Mihov, I. Mitova and G. Milev
Received October, 27, 1999; accepted November, 8, 1999
Conformity of Electrophoretic Families of Phaseolus Vilgaris L. Collection Samples in Bulgaria with Morphological and Economic Indexes I. Seed and pod shapes
N. Tomlekova, L. Krasteva, I. Poryazov and P. Ivanov
Received October, 1, 1999; accepted November, 8, 1999
Evaluation of the Phenotypic Variability in the Field Beans Collection (Phaseolus vulgaris L.)
Tz. Stoilova and G. Pereira
Received July, 19, 1999; accepted November, 8, 1999
Activities of Some Enzymes as Physiological Tests for Screening Resistance to Water Stress in Five Xerophytes
Yu. Markovska and D. Dimitrov
Received July, 19, 1999; accepted November, 8, 1999
Optimizing the Conditions for Nitrate Determination Using Reaction with 2.6 – Disilphophenol Acid
G. Pevicharova
Received July, 19, 1999; accepted November, 8, 1999
Temperature Influence on the Potato Cyst Nematode (Globodera rostochiensis Woll. 1923) Development
Zl. Trifonova
Received June, 1, 1999; accepted November, 8, 1999
Incidence of Charcoal Rot of Sunflower Caused by Sclerotium bataticola Taub. in Bulgaria
V. Alexandrov
Received February, 26, 1999; accepted November, 8, 1999
Productivity of Bulgarian Multifoliolate Alfalfa at Two Ecological Regions
D. Petkova, Ch. Yantcheva and N. Doduntchev
Received October, 7, 1999; accepted November, 8, 1999
Soil Science
Nitrogen Form in Root Nutrition of Sunflower
N. Mitreva and I. Mitova
Received May, 19, 1999; accepted November, 8, 1999
Food Science
Monolayer Moisture Content of Some Legume Seeds
N. D. Menkov
Received September, 8, 1999; accepted November, 8, 1999
Animal Science
Effect of the Different Somatic Cell Count on the Production and Composition of Buffalo's Milk from Shoumen Region
N. Petrova and M. Zankova
Received September, 19, 1999; accepted November, 8, 1999
Influence of Selenium and Iodine Supplementation on the Daily Milk, Fat and Protein Production During the Grazing Period of Sheep
Ts. Odjakova
Received September, 14, 1999; accepted November, 8, 1999
Influence of Iodine and Selenium Deficiency on Mmacro and Trace Element Content of Ewe's Milk (Blackhead Dairy Breed)
N. Petrova, L. Angelow, D. Todorova and D. Dochevski
Received October, 1, 1999; accepted November, 8, 1999
Study on Milk Composition of White Maritza Sheep and Dynamics During Milking Period
D. Dimov and G. Mikhaylova
Received July, 19, 1999; accepted November, 8, 1999
The Bioenergy Metabolism during Embriogenesis of Rainbow Trout
V. Atanassov, J. Mitev, Y. Staykov, T. Miteva and M. Minchev
Received September, 1, 1999; accepted November, 8, 1999
Modern Livestock Family Farms
B. Khodanovitch, D. Dinev and T. Atanassova
Received October, 10, 1999; accepted November, 8, 1999
Effect of Dietary Composition and Phoshorus Level on Some Biochemical Parameters in JeJunal Enterocytes of Broiler Chick
E. T. Toncheva and H. J. Stanchev
Received September, 2, 1999; accepted November, 8, 1999
Veterinary Medicine
Attempts for Treatment of Hypogalactia and Agalactia in Sows
T. Stoykova, T. Marinkov, D. Kotchankov, P. Parvanov and N. Vasilev
Received March, 24, 1999; accepted November, 8, 1999
Some Changes of the Electrocardiogram in Dogs
Y. Kostov and V. Alexandrova
Received July, 29, 1999; accepted November, 8, 1999
Changes in Some Fish Blood Parameters Produced by Sodium and Potassium Nitrate Mixture and by Its Combination with Extract from Cynara Scolimus L.
M. Popova, Ch. Popov, D. Pavlov and Y. Staykov
Received September, 7, 1999; accepted November, 8, 1999
Agricultural Economics
Assessment of the Economic Situation of the Farmers in Bulgaria
O. Boiukliev, R. Popov and A. Simova
Received September, 10, 1999; accepted November, 8, 1999
Work Motivation in the Agricultural Sector
A. Kraeva – Miteva
Received September, 2, 1999; accepted October, 20, 1999
Agricultural Technics
A Comparative Analysis of the Coefficients of Energy Efficiency at the Various Levels of The Energy Expenditure
D. Ivanov
Received March, 25, 1999; accepted November, 8, 1999
Short Communications
Screening Tests of Fungicides from Plant Origin towards Powdery Mildews from Roses and Cucumbers
A. Nikolov and I. Boneva
Received October, 5, 1999; accepted November, 8, 1999
Fungicidal Actyvity of Natural Plant Products Against Powdery Mildew and Apple Scab
A. Nikolov and I. Boneva
Received October, 5, 1999; accepted November, 8, 1999
Bioelectric Field of Wild Animals (a hypothesis)
Y. Kostov and R. Holland
Received September, 10, 1999; accepted November, 8, 1999