<p> TRAKIA JOURNAL OF SCIENCES The Scientific Serial of Trakia University Available on line at: http://www.uni-sz.bg ______Volume 8, 2010, Number 2, Series Biomedical Sciences CONTENTS</p><p>Original Contributions:______Chemistry and Biochemistry PRO-ANTIOXIDANT ACTIVITIES OF FRACTIONS OF A NOVEL CAMPTOTHECIN- PRODUCING ENDOPHYTE (ENTROPHOSPHORA INFREQUENS) R. Arora, R. Chawla, A. S. Dhaker, M. Adhikari, J. Sharma, S. Jaiswal, D. Gupta, T. Amna, S. C. Puri, R. Kumar, A. Sharma, R. K. Sharma, R. P. Tripathi...... 1 EXTRACTION-SPECTROPHOTOMETRIC DETERMINATION OF COBALT IN SOILS BY THE APPLICATION OF IODINE NITROTETRAZOLE CHLORIDE (INT) L. Dospatliev, N. V. Georgieva, A. I. Pavlov, Z. Yaneva……………………………………………… 16 INVESTIGATIONS ON ACID PHOSPHATASE ACTIVITY IN THE SEMINAL PLASMA OF HUMANS AND ANIMALS R. Miteva, D. Zapryanova, Iv. Fasulkov, S. Yotov, T. Mircheva……………………………………. 20 Microbiology: IN VITRO STUDY OF THE RESISTANCE OF PROBLEMATIC FOR HOSPITAL INFECTIOUS PATHOLOGY MICROORGANISMS TO ANTIMICROBIAL DRUGS E. Savov, E. Kjoseva, N. Borisova, I. Gergova, G. Ronkova, A. Trifonova………………………. 24 Plant-growing: EFFECT OF AREOLE AND CULTURE MEDIUM ON CALLUS INDUCTION AND REGENERATION CEREUS PERUVIANUS MILL. ( CACTACEAE ) N. Karimi, M. R. Mofid, M. Ebrahimi, R. Naderi………………………………………………………… 31 EFFECTS OF PLANT GROWTH REGULATORS ON THE CALLOGENESIS AND TAXOL PRODUCTION IN CELL SUSPENSION OF TAXUS BACCATA L. S. Ashrafi, M. R. Mofid, M. Otroshi, M. Ebrahimi, M. Khosroshahli……………………………… 36 NUTRITIVE VALUE AND ENERGY EFFICIENCY OF WINTER PEA PRODUCTION, TREATED WITH PLANT GROWTH REGULATORS Ts. Zhelyazkova...... 44 A COMPARISON OF ENGINEERING ECONOMY OF POPLAR PLANTATION WITH CULTIVATION OF SOME AGRICULTURAL CROPS A. Bayat Kashkoli, S. Bahrami………………………………………………………………………….. 52 Animal husbandry: THE BEST NON-LINEAR FUNCTION FOR BODY WEIGHT AT EARLY PHASE OF NORDUZ FEMALE LAMBS D. Kum, K. Karakus, T. Ozdemir...... 62 Veterinary medicine: TONSILLA PARAEPIGLOTTICA IN THE BULGARIAN WHITE × LANDRACE PIG CROSSES - MORPHOLOGICAL TRAITS AND SOME MORPHOMETRICAL INVESTIGATIONS D. Kostov, I. Stefanov, N. Tsandev, D. Vladova……………………………………………………... 68 MORPHOLOGY AND ULTRASONOGRAPHY OF THE PERICARDIAL AND EPICARDIAL ADIPOSE TISSUE IN HEALTHY RABBITS (Oryctolagus cuniculus) P. Yonkova, D. Vladova, R. Dimitrov, А. Rusenov, D. Zaprjanova, P. Аtanassova, M. Stefanov……………………………………………………………………………………………….. 73 COMPUTED TOMOGRAPHY IMAGING OF THE TOPOGRAPHICAL ANATOMY OF CANINE PROSTATE R. Dimitrov, P. Yonkova, D. Vladova, D. Kostov...... 78 LOCALIZATION AND DISTRIBUTION OF ELASTIC FIBRES IN THE STROMA OF ACCESSORY SEX GLANDS AND THE WALL OF PELVIC URETHRA IN MALE CATS R. Dimitrov……………………………………………………………………………………………. 83 INVESTIGATION ON THE MICROBIAL FACTOR OF PORCINE RESPIRATORY DISEASE COMPLEX (PRDC) IN INDUSTRIAL PIG FARMING CONDITIONS М. Lyutskanov, V. Urumova, P. Marutsov, G. Zhelev…………………………………………… 89 PATHOMORFOLOGICAL CHANGES IN SOME GLANDS OF INTERNAL SECRETION IN PIGS AFTER IRRADIATION AT 3.0 AND 4.5 GY R. Kecheva, V. Velev, Iv. Nikiforov………………………………………………………………… 95</p><p>Case Report ______MALIGNANT LYMPHOMA OF THE THYROID GLAND: DIAGNOSTIC DILEMMAS D. Staribratova, V. Belovejdov, Dm. Staykov, R. Dimov………………………………………... 99</p>