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Ultrasound guided testicular fine needle aspiration in buck (Capra hircus)-An animal model

Asian pacific Journal of Reproduction 2017年第1期6卷 26-31页

作者： Sattwikesh Paul Nasrin Sultana Juyena Shonkor Kumar Das Raihana Nasrin Ferdousy Rahul Deb Sarker soheli jahan mou Department of Surgery and Radiology Faculty of Veterinary Medicine and Animal ScienceBangabandhu Sheikh Mujibur Rahman AgriculturalUniversityGazipurBangladesh Department of Surgery and Obstetrics Faculty of Veterinary ScienceBangladesh Agricultural UniversityMymensingh Department of Anatomy and Histology Faculty of Veterinary ScienceBangladesh Agricultural UniversityMymensingh Department of Pathology Faculty of Veterinary ScienceBangladesh Agricultural UniversityMymensingh.

Objective:To establish ultrasound guided testicular fine needle aspiration (TFNA) as well as to assess the effectiveness of uni-directional (UD) and multi-directional (MD) TFNA in buck according to testicular cells, echotexture and gross changes of testicle, age of buck was ***:A total of 120 samples were collected with both directions (UD, n=60) and (MD,n=60) suction from testis of 10 apparently healthy bucks. All slides were stained with May-Grünwald-Giemsa and examined under light microscope with 1000× magnifications to count spermatogenic cells, spermatozoa and sertoli cells. The percentage of spermatozoa and sertoli cells were expressed as spermatic index and sertoli cell ***:Results revealed no difference in the presence of various spermatogenic and sertoli cells in cell cluster of slides made either unidirectional TFNA or multidirectional TFNA. Early spermatids were the most numerous, followed by late spermatids, primary spermatocytes, spermatogonia. Sertoli cell index was higher in TFNA smears of young bucks prepared from (7-13 mo) of age and spermatic index was higher in adult bucks (14-24 mo) of age. No echogenic change was observed in the echotexture of testisafter ***: It seems that TFNA has no serious ill effect on the buck testis when uni-direction aspiration is performed. Moreover, the possibility to standardize this method might provide a greater impulse to the clinical diagnostics of male animal infertility.

关键词： Testicular fine needle aspiration Spermatic index Sertoli cell index

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Screening of Methyl Red Degrading Bacteria Isolated from Textile Effluents of Savar Area, Dhaka, Bangladesh

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Advances in Bioscience and Biotechnology 2020年第7期11卷 301-318页

作者： Ishteak Ahmed Farhana Haque Mirza A. T. M. Tanvir Rahman Md. Anowar Khasru Parvez Taslin jahan mou Department of Microbiology Jahangirnagar University Savar Bangladesh Department of Environmental Sciences Jahangirnagar University Savar Bangladesh

Physicochemical properties and metal contents of five dye-based textile effluents collected in summer and winter season, 2016 from Savar, Dhaka, Bangladesh were within the recommended acceptable limit. The average value of all physicochemical parameters was found high in summer season except turbidity. A total of 94 heavy metal resistant bacteria (46 gram positive & 48 gram negative) were isolated from textile effluent samples and among them 17 isolates were multi metal resistant. Highest tolerance level of the isolates was shown at 10 mM concentration against Pb. All the heavy metal resistant bacterial isolates were presumably grouped into 14 genera according to morphological and biochemical assay. Three isolates designated WFB3c (65.41%), WFB4g (62%) and SFB5c (60.07%) were found to potentially degrade dye as well as tolerate heavy metals. Three potential dye decolorizer isolates were screened out and most potential one (WFB3c) was identified as P

关键词： Textile Effluent Metal Resistant Dye Decolorizer Proteus mirabilis

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