Archive Volume 6

Number 1

Plant Science

Genetic Transformation of Tobacco with Rat Cytochrome P4501A1 Monooxygenase Gene

E. Yordanova, N. Gorinova, R. Bachvarova, M. Nedkovska, A. Atanassov and H. Ohkawa

Received January, 19, 2000; accepted February, 21, 2000

Dry Matter Accumulation and Chemical Composition in Bulgarian Varieties of Lentil. II. Chemical Composition of Lentil Varieties

T. K. Tonev, I. Mitova, M. Mihov and G. Milev

Received November, 17, 1999; accepted February, 21, 2000

Conformity of Electrophoretic Families of Phaseolus vulgaris L. Collection Samples in Bulgaria with Morphological and Economic Indexes. II. Plant Growth Habit, Presence of Fiber in Pods

N. Tomlekova, L. Krasteva, I. Poryazov and P. Ivanov

Received October, 8, 1999; accepted November, 21, 1999

Study of Domestic and Introduced Samples of Field Beans in Bulgaria

Tz. Stoilova and I. Kiryakov

Received July, 22, 1999; accepted November, 8, 1999

Effect of Some Insecticides on Pollen Germination of Grape Varieties Bolgar and Cabernet Sauvignon

A. Nikolov, P. Botiyanski, D. Kehayov and V. Roichev

Received March, 30, 1999; accepted November, 21, 1999

Soil Science and Ecology

Recultivation of Zeolite Substrates

I. Manolov

Received July, 22, 1999; accepted November, 8, 1999

Grass Geocomposites in Antierosive Protection of the Soil Food Science

R. Garvanska, L. Boyadjieva, L. Losanova, D. Petkova and D. Zakov

Received January, 5, 2000; accepted February, 21, 2000

Food Science

Nutrient Antioxidants

A. Krastanov

Received December, 7, 1999; accepted January, 18, 2000

Microbiological Studies on Traditional Cereal-based Fermented Beverage

V. Gotcheva, S. S. Pandiella, A. Angelov and Z. Roshkova

Received December, 10, 1999; accepted February, 10, 2000

Moisture Sorption Isotherms of Common Bean (Phaseolus vulgaris L.) at Several Temperatures

K. T. Dinkov, D. I. Gelyazkov and N. D. Menkov

Received July, 22, 1999; accepted November, 8, 1999

Agricultural Economics

Subsistence Farming in Bulgaria – Trends and Prospects

P. Mishev and Ph. Kostov

Received January, 18, 2000; accepted February, 21, 2000

Animal Science

Effect of Different Growth Promoters on Lysozyme and Complement Activity of Broiler Chicks

L. K. Sotirov, S. A. Denev and V. K. Georgieva

Received November, 19, 1999; accepted February, 21, 2000

Influence of Iodine and Selenium Deficiency on the Milk Production, Macro and Trace Element Content of Ewe's Milk (Blackhead x Avassi)

L. Angelow, N. Petrova, D. Dochevski and D. Todorova

Received October, 1, 1999; accepted November, 8, 1999

Estimation of the Milk Production of Ewe during the Suckling Period

D. Nedelchev and E. Raicheva

Received July, 22, 1999; accepted November, 8, 1999

Genetic Characteristic of Sheep with Different Degree of Blood from Australian Merino and Boroola Breed

St. Boikovski, M. Baulov and D. Dimitrov

Received July, 27, 1999; accepted November, 8, 1999

Content of Apparent and True Metabolisable Energy of Egg Meal without Shells Experimented with Geese

D. Penkov

Received October, 1, 1999; accepted December, 10, 1999

Production and Composition of Milk from Three Breeds of Buffaloes in Shoumen Region

M. Tzankova and N. Petrova

Received October, 27, 1999; accepted February, 21, 2000

The Cement Dust "Pepelina" as a Mineral Supplement in Diet for Fattening Young Bullocks

K. Dimov

Received April, 24, 1999; accepted November, 8, 1999

Veterinary Medicine

Drug Sensitivity of Microorganisms Causing Subclinical Mastitis in Buffaloes

P. Parvanov and T. Popova

Received November, 4, 1999; accepted February, 21, 2000

Short Communications

Possibilities of Raising the Efficiency of Dunavia Cheese Production Lines

K. Dinkov

Received January, 5, 2000; accepted February, 21, 2000

Preliminary Study of Insecticidal Activity of Trypsin Protease Inhibitor (TPI) Towards Larvae on Yponomeuta Malinella Zell. and Hyphantria Cunea Drury. in Laboratory Conditions

A. Nikolov and R. Andreev

Received December, 17, 1999; accepted February, 21, 2000

Decrease of Immunogenesity of Avian pox Virus Strains After Their Cell-Culture Adaptation

A. Angelov

Received January, 10, 2000; accepted February, 21, 2000

Number 2

Plant Science

Frost Resistance of T. aestivum L. Varieties from Different Geographical Origin

T. Petrova, K. Kostov and E. Penchev

Received February, 10, 2000; accepted March, 25, 2000

Evaluation of Crossing Methods in Breeding Point of View of Common Wheat Triticum aestivum L.

K. Kostov

Received January, 18, 2000; accepted March, 25, 2000

Identification and Characterization of Cucumber Mosaic Virus (CMV) from Bean (Phaseolus vulgaris L.) in Bulgaria

S. Tsorlianis, D. Kostova and N. J. Spence

Received January, 10, 2000; accepted March, 12, 2000

1BL/1RS Translocations in Wheat Germplasm in Relation to Aluminium Tolerance

S. D. Stoyanova, D. B. Boyadjieva and Ch. Ch. Phylipov

Received January, 8, 2000; accepted March, 25, 2000

Evaluation of Lentil Germplasm Accessions for Winter Hardness in Bulgaria

Tz. Stoilova

Received December, 12, 1999; accepted March, 25, 2000

Effect of Long Storage of White Cabbage (Brassica oleracea var. capitata L.) in Bulgaria

K. Mihov

Received February, 23, 2000; accepted March, 2, 2000

Biochemical Evaluation of Forage Pea Genotypes with a View to Breeding for Resistance to Pea Weevil Bruchus pisi

A. Ilieva and B.Dochkova

Received February, 10, 2000; accepted March, 27, 2000

Effect of Some Fungicides upon Causes of Charcoal Rot of Sunflower

L. V. Alexandrov

Received November, 10, 1999; accepted March, 25, 2000

Phenological Development and Morphological Features of Ukraian Mulberry Varieties, Introduced in Bulgaria

Z. Petkov and L. Alekseichenko

Received January, 24, 2000; accepted March, 25, 2000

Soil Science and Agrochemistry

Distribution of Cd, Cu, Ni, Pb and Zn in Particle Size Fraction in Polluted and Unpolluted Soils in Bulgaria

P. Shegunova and I. Atanassov

Received January, 10, 2000; accepted March, 25, 2000

Animal Science

A Light Microscopic Study on the Alpha Naphthyl Acetate Esterase Activity of the Peripheral T Lymphocytes in Brown Bears (Ursus arctos)

M. Balikçier and R. N. Asti

Received December, 17, 1999; accepted February, 12, 2000

Modeling Genetic Gain for Weaning Weight of Rhodope Tsigai Sheep

G. Dimov, D. Vassilev,V. Kafedjiev and E. Kipriotis

Received January, 5, 2000; accepted February, 21, 2000

Natural Feeding of Tench (Tinca tinca L.) at Polyculture Rearing in Carp Ponds

G. K. Grozev, T. Hubenova-Siderova and E. Paskaleva

Received January, 5, 2000; accepted February, 21, 2000

Relation between Some Body Measurements and the Meat Productivity of Calves

K. Dimov

Received February, 21, 2000; accepted March, 25, 2000

Energy Value of Amaranth (Amaranthus hypohondriacus L.) Grain Estimated in Experiments with Ganders

D. Penkov and D. Pavlov

Received February, 10, 2000; accepted March, 25, 2000

Sources of Specific Variance and Heritability of Race Time and Speed in Horses from Thoroughbred Arabian Breed

I. Sabeva

Received February, 12, 2000; accepted March, 25, 2000

Veterinary Medicine

Day Time and Night Time Magnitude of Adrenal Response to Immobilization Adrenocorticotropin in Rams

D. Gudev, S. Alexandrov, S. Popova-Raltcheva and A. Alexandrov

Received January, 10, 2000; accepted March, 25, 2000

Study on the Effect of Method of Bull Semen Collection upon Several Qualitative Parameters of Fresh and after Thawing of Semen

P. Parvanov

Received January, 28, 2000; accepted March, 25, 2000

Serological Activity of the Fractions of Antigen Brucella ovis

G. Kostov, I. Dimitrova, M. Stefanov and A. Arnaudov

Received June, 28, 1999; accepted March, 25, 2000

Food Science

Quality Characteristics of the Bulgarian Oriental Tobacco Origins – Crop 1998

D. Drachev

Received January, 10, 2000; accepted March, 12, 2000

Agricultural Economics

Economic Efficiency of Alternative Systems of Fertilizing in Conditions of Field Crop Rotation

V. Manolova and I. Manolov

Received January, 26, 2000; accepted February, 12, 2000

Short Communications

Screening Tests of Trypsin Protease Inhibitor with Respect to Some Phytopathogenic Fungi

A. Nikolov

Received October, 10, 1999; accepted January, 12, 2000

Number 3

Plant Science

Inheritance of High Anther Culture Response in Hexaploid Wheat, Triticum aestivum L. var. Svilena

R. Schlegel, I. Belchev, K. Kostov and M. Atanassova

Received February, 29, 2000; accepted April, 12, 2000

Powdery Mildew (Erysiphe graminis f. sp. hordei) Resistance in Moroccan Barley Landraces

J. H. Czembor and H. J. Czembor

Received January, 5, 2000; accepted February, 21, 2000

Microsporogenesis and Male Gametophyte Development of Seedless Grapevine Cultivars Nedelchev VI-4 and Rusalka 1

V. Roichev

Received January, 5, 2000; accepted April, 21, 2000

Effect of Agrometeorological Factors on the Cotton Fiber Fineness

A. Stoilova and G. Nikolov

Received January, 5, 2000; accepted February, 21, 2000

Differences in Pathogenicity between Some Bulgarian Bean Common Mosaic Virus (BCMV) Isolates and a Standard Range of BCMV Pathotypes

S. Tsorlianis and D. Kostova

Received March, 21, 2000; accepted April, 12, 2000

Dependences between Beginning of Mulberry Vegetation and Air Temperature in Northwest Bulgarian Conditions

Z. Petkov

Received January, 5, 2000; accepted February, 21, 2000

Soil Science, Agrochemistry and Ecology

Computer-Assisted Monitoring of Soil Fertility and Fertilization Recommendations

P. Dj. Sekulic, V. B. Hadzic and M. M. Gavric

Received March, 10, 2000; accepted May, 18, 2000

Effect of Excess Copper on the Growth of Some Cereal Species

I. Bogoeva-Velichkova and E. Miteva

Received April, 10, 2000; accepted May, 21, 2000

Testing of Zeolite-Glauconite – Phosphorite Mixtures for Decrease of Lead Uptake byPlants

D. Petkova, S. Popandova, T. Popova and K. Chakalov

Received January, 5, 2000; accepted March, 21, 2000

Food Science

Effect of Yeast Glutathione on Rheological Properties of Wheat Dough

Haiou Wang, G. Karadjov, Z. Roshkova and A. Angelov

Received February, 10, 2000; accepted April, 12, 2000

Antimicrobial Activity of Nisin Immobilized onto Membrane

A. Krastanov, A. Crapisi, A. Lante and P. Spettoli

Received December, 5, 1999; accepted February, 21, 2000

Effect of Formaldehyde on the Growth and Protein Biosynthesis of Candida didensii 74-10 in Transient Regimes under Nitrogen Limitation

B. I. Tzvetkova, Ch. S. Katranushkova, L. K. Losseva and Ts. A. Hristozova

Received January, 10, 2000; accepted May, 7, 2000

Animal Science

Sources of Specific Variance and Heritability of Race Time and Speed in Arabian Horses from Shagia Type

I. Sabeva

Received February, 21, 2000; accepted April, 20, 2000

Growth and Survival of Juvenile Crayfish Astacus leptodactylus Esch., Fed Different Diets under Laboratory Conditions

A. Zaikov, T. Hubenova-Siderova and Y. Karanikolov

Received November, 5, 1999; accepted February, 21, 2000

Influence of Somatic Cell Count on the Sheep Milk Yield, Composition and Some Properties

N. Petrova

Received January, 5, 2000; accepted March, 21, 2000

Variability of Postthaw Motility of Cryopreserved Buffalo Spermatozoa and Correlation Dependence with Some Traits of Fresh Semen

I. Sabeva and S. Kolev

Received April, 7, 2000; accepted May, 21, 2000

Physical, Chemical and Technological Parameters of White Maritza Sheep Milk

G. Mihaylova and D. Dimov

Received February, 24, 2000; accepted April, 21, 2000

Veterinary Medicine

Macro-Anatomical Investigation of the Effects on Feeding Fowl with a Diet Containing Red Hot Pepper on the Uropygial Gland of the Cocks (Gallus domesticus)

A. Serbest

Received January, 5, 2000; accepted February, 21, 2000

Some Changes of the Electrocardiogram of Sows, Reared on Industrial Farms

Y. Kostov

Received January, 5, 2000; accepted February, 21, 2000

Agricultural Economics

The Dynamics of Energy Efficiency of the Grain Crops in Republic Bulgaria

D. Ivanov

Received February, 24, 2000; accepted April, 12, 2000

Number 4

Plant Science

Bulgarian Bread Wheat Cultivars as the Result of 100 Years Activity

I. Panayotov

Received April, 5, 2000; accepted June, 21, 2000

Optimizing the Models for Calculation of Sunflower Leaf Area II. Relations between Leaf Area and Leaf Dimensions and Optimizing the Equalizing Coefficient K

I. I. Iliev and T. K. Tonev

Received May, 17, 2000; accepted July, 12, 2000

Effect of 1BL/1RS Translocation on Aluminium Tolerance of Derived Lines from a Winter Wheat Cross

D. B. Boyadjieva, S. D. Stoyanova and Ch.Ch. Phylipov

Received May, 7, 2000; accepted July, 18, 2000

Resistance of Bulgarian Dry Bean Cultivars (Phaseolus vulgaris L.) to Bacterial Wilt

I. Kiryakov and D. Genchev

Received May, 7, 2000; accepted July, 10, 2000

Growth Intensity and Some Morphological Peculiarities of F1 of Blackthorn (Pr. spinosa) x Topalka Plum (Pr. domestica) Combination

I. Minev

Received May, 10, 2000; accepted July, 21, 2000

Puccinia xanthii Schw. – Life Cycle and Possibility to Overwinter in Bulgaria

E. Mirkova, M. Todorova and V. Nikolova

Received May, 7, 2000; accepted July, 15, 2000

Gliadin Proteins in Relation to Some Quality Properties of New Selected Durum Wheat Cultivars

S. D. Stoyanova, St. Tsvetkov and K. Tsvetkov

Received January, 5, 2000; accepted February, 21, 2000

Soil Science and Agrochemistry

Determination of Metribuzin-VP Leaching and Its Effect on the Microbiological Activity of Sandy Loam Soil

D. Petkova and R. Donkova

Received January, 5, 2000; accepted February, 21, 2000

Animal Science

Population-genetic Study of Apis mellifera L. in Bulgaria

P. Popov, E. Ivanova, I. Dobrovolov, B. Dimitrov and P. Tersieva

Received January, 5, 2000; accepted February, 21, 2000

Probiotics in Poultry, Do They Work?

Ghasoub S. Ghadban

Received May, 10, 2000; accepted July, 17, 2000

Relationship between the Duration of the Parturition Phases of Dairy Cows, Body Condition and the Postpartum Uterine Inflammations

M. Dimitrov, J. Mitev, Z. Gergovska, T. Miteva and N. Vasilev

Received June, 20, 2000; accepted July, 10, 2000

Artificial Induction of Triploidy in Brook Trout (Salvelinus fontinalis): Attempt for Heat Shock Optimization

E. Uzunova, A. Michova, H. Taskov and M. Pesheva

Received May, 5, 2000; accepted July, 10, 2000

Effect of Shearing During Winter Period on Milk Yield and Adrenal Function in Ewes with Different Level of Milk Production

D. Gudev, I. Alexiev and S. Alexandrov

Received June, 2, 2000; accepted July, 12, 2000

Estimation of the Breeding Value of Stallions from Arabian Breed Regarding the Race Abilities

I. Sabeva

Received January, 5, 2000; accepted February, 21, 2000

Vitality and Acrosomal Integrity of Buffalo Spermatozoa Frozen in Straws Using Different Rates of Thawing

S. I. Kolev

Received April, 20, 2000; accepted July, 10, 2000

About new Methods for Mulberry Vegetable Resources Investigation

Z. Petkov

Received January, 5, 2000; accepted February, 21, 2000

Heterosis, Depression and Dominance Rates for the Indexes Length and Within-cocoon Unevenness of the Silk Filament in Silkworm Hybrids (Bombyx mori L.)

Y. Nacheva, N. Petkov and P. Tzenov

Received January, 5, 2000; accepted July, 21, 2000

Optimum Body Weight and Productivity of Sheep from Black Head Pleven Breed

D. Georgieva

Received April, 18, 2000; accepted July, 21, 2000

Short communications

Studies on the Efficiency on Fungicides from Plant Origin Towards Rust from Oil Rose

A. Nikolov

Received May, 10, 2000; accepted July, 12, 2000

Number 5

Plant Science

Anther Culture Response of Wheat (Triticum aestivum L.) Varieties from Eastern Europe

I. Belchev, K. Kostov, R. Schlegel, P. Ivanov, N.Tsenov and N. Stavreva

Received August, 10, 2000; accepted September, 20, 2000

Increase of Yield and Quality in Lucerne by Applying Classical Methods and Biotechnological Approaches

D. V. Kertikova, M. G. Vlahova, A. V. Ilieva and A. I. Atanassov

Received August, 10, 2000; accepted September, 28, 2000

Strategy of Wheat Breeding in Bulgaria

I. Panayotov

Received January, 5, 2000; accepted June, 21, 2000

Resistance of Bean Cultivars and Lines to Xanthomonas campestris pv. phaseoli (Smith) Dye

I. Kiryakov and D. Genchev

Received July, 10, 2000; accepted September, 9, 2000

Evaluation of Methods for Artificial Inoculation of Sunflower with Charcoal Rot Fungus (Sclerotium bataticola Taub.)

V. Alexandrov

Received June, 10, 2000; accepted September, 9, 2000

Effect of Oxadiargyl on the Weeds of Allium cepa L. and Soil Biological Activity

V. Nikolova and G. Baeva

Received June, 10, 2000; accepted September, 9, 2000

Morphological Peculiarities of Flowers and Anthesis Phase of F₁ of Blackthorn (P. spinosa) x Topalka Plum (P. domestica) Combination

I. Minev

Received June, 5, 2000; accepted September, 21, 2000

Archesporogenesis, Megasporogenesis and Female Gametophyte Development of Seedless Grapevine Cultivars Nedelchev VI-4 and Russalka 1

V. Roichev

Received November, 28, 1999; accepted April, 20, 2000

Aged Sensibility of Leptinotarsa decemlineata Say (Chrysomelidae, Coleoptera) to Strains of Beauveria bassiana (Bals.) Vuill.

S. Draganova

Received June, 1, 2000; accepted September, 7, 2000

Correlations and Regressions between Main Quantitative Characters in Some Mulberry Varieties

Z. Petkov

Received June, 10, 2000; accepted September, 9, 2000

Grain Filling in Six-Rowed Winter Barley

N. Przulj, V. Momcilovic and N. Mladenov

Received June, 10, 2000; accepted September, 9, 2000

Animal Science

Record of Ectocommensalism between Epistylis sp. (Peritrichia, Sessilida, Epistylidae) and Artificially Cultivated Narrow-Clawed Crayfish (Astacus leptodactylus Esch.)

A. Zaikov, Y. Karanikolov and T. Hubenova-Siderova

Received June, 10, 2000; accepted September, 9, 2000

Penetration and Expression of the npnd Gene of Voltinism in F₁, F₂ and BCP Hybrids between Monobivoltine and Polyvoltine Tropical Strain of Silkworm (Bombyx mori L.)

P. Tzenov, Y. Lazarov and Y. Nacheva

Received February, 9, 2000; accepted August, 10, 2000

Milk Production, Composition and Properties of Sheep Milk During the Lactation Period

N. Petrova and D. Nedelchev

Received April, 7, 2000; accepted September, 9, 2000

Study on the Tolerance of Silkworm (Bombyx mori L.) Hybrids to Unfavorable Conditions of Rearing

Y. Lazarov, P. Tzenov and Y. Nacheva

Received February, 9, 2000; accepted September, 21, 2000

Study of the Average Values and Variability of the Basic Productive Indexes of Double, Triple and Tetra-cross Hybrids of Silkworm (Bombyx mori L.) I. Spring Feeding Season

N. Petkov, L. Ignatova, Y. Nacheva and P. Tzenov

Received January, 13, 2000; accepted July, 18, 2000

Veterinary Medicine

Basic Craniometric Measurements in Red Foxes (Vulpes vulpes) from the Region of Sirnena Sredna Gora Mountains

T. Dimova, E. Raichev and R. Dimitrov

Received June, 14, 2000; accepted September, 7, 2000

Agricultural Economics

Relationship between Energy Efficiency Coefficient and Energy Difference

D. Ivanov

Received December, 10, 1999; accepted February, 20, 2000

Short communications

The Efficiency of Vegetable Oil from Cruciferae on Powdery Mildew from Cucumbers and Influence on Pollen Germination

A. Nikolov

Received June, 10, 2000; accepted September, 9, 2000

Russalka - a New Bulgarian Mini Carnation Variety

B. Atanassova

Received June, 18, 2000; accepted September, 10, 2000

Number 6

Plant Science

HMW Glutenin Subunit Composition of Wheat Varieties and Lines from Different Origin

I. Todorov, P. Ivanov, K. Kostov and I. Ivanova

Received October, 6, 2000; accepted November, 10, 2000

Technological Characterization of the Most Recent Common Winter Wheat Varieties Created in IWS "Dobroudja"

I. Stoeva

Received July, 5, 2000; accepted September, 21, 2000

A Method for Screening the Fungicide Efficacy on Sclerotinia sclerotiorum (Lib.) de Bary

I. Kiryakov

Received July, 5, 2000; accepted September, 21, 2000

Plant Regeneration from Leaf Tissues of Apple Cultivars Granny Smith, Morspur Golden and Starkrimson

P. Gercheva, T. Andinova and K. Ivanova

Received August, 10, 2000; accepted October, 10, 2000

Bio-efficacy of Treflan 48 EC (trifluralin) against the weeds of potato (Solanum tuberosum L.)

J. K. Datta, A. K. Garai and A. Roy

Received September, 29, 2000; accepted October, 4, 2000

Effect of Leaf Fertilizer Lactofol O on Some Bioproductive Indices of Cocksfoot (Dactylis glomerata L.) Monoculture

V. Lingorski

Received July, 5, 2000; accepted September, 21, 2000

Effect of Agrometeorological Conditions and Fertilization on the Yield of Barley, Grown on Carbonate Chernozem in Northwest Bulgaria

M. Stamboliev, E. Davidkov and K. Tsvetanova

Received August, 5, 2000; accepted October, 21, 2000

Reproductive Characteristics of the Progeny of Blackthorn (P. spinosa) x Topalka Plum (P. domestica) Combination

I. Minev

Received August, 5, 2000; accepted September, 21, 2000

Rooting Promotion by Auxins and Other Factors Controlling Rhizogenesis in vitro in Azalea, cv. Doberlug

V. Haralampieva and B. Atanassova

Received September, 7, 2000; accepted November, 10, 2000

Ethylene in Vegetable Crop Production – Current Status and Problems

I. Dimov

Received July, 5, 2000; accepted September, 21, 2000

Animal Science

Comparative Immuno-Biochemical Characteristic of Stocking Material of Carp (Cyprinus carpio L.), Bighead Carp (Aristichthys nobilis Rich.), Grass Carp (Ctenopharyngodon idella Val.) and Tench (Tinca tinca L.), Raised in Polyculture

L. Hadjinikolova, R. Atanassova and T. Hubenova-Siderova

Received August, 5, 2000; accepted October, 21, 2000

Study of the Average Values and Variability of the Basic Productive Indexes of Double, Triple and Tetra-cross Hybrids of Silkworm (Bombyx mori L.). II. Summer Feeding Season

N. Petkov, L. Ignatova, Y. Nacheva and P. Tzenov

Received January, 17, 2000; accepted September, 21, 2000

Effect of Clenbuterol on Ammonia and Urea Content in Blood Plasma and Ruminal Fluid of Fattening Lambs

V. Banskalieva and S. Alexandrov

Received August, 5, 2000; accepted September, 21, 2000

Comparative Characteristic of the Morphological Traits of the Udder in Buffalo Cows from the Local Bulgarian Buffalo Breed

M. Tzankova, K. Dimov and S. Kolev

Received March, 28, 2000; accepted September, 21, 2000

Seasonal Changes of Fat Content of Milk of Black-and-White Cows

K. Krastev, V. Gaydarska and I. Yanchev

Received September, 5, 2000; accepted November, 21, 2000

Milk Productivity and Duration of the Lactation Period in Sheep from Blackhead Pleven Breed

S. Boikovski and D. Georgieva

Received May, 15, 2000; accepted September, 21, 2000

Veterinary Medicine

A Geometric Modelling of the Some Bones of the Domestic Animals Via Cross-sections

B. Yildiz, K. Arslan, H. Yildiz and C. Özgür

Received October, 15, 2000; accepted November, 18, 2000

In vitroTesting of Antibacterial Activity of Amphenicols

T. Popova and N. Dimitrov

Received July, 5, 2000; accepted September, 21, 2000