Objective: This research work was conducted for isolation of Salmonella spp. from duck and pigeon and assessment of antibiotic sensitivity patterns of the isolated Salmonella spp. Materials and methods: A total of 48 duck samples comprising of liver (n=16) spleen (n=16) and intestinal content (n=16) were collected from 16 ducks (8 sick and 8 dead). Similarly, 42 pigeon samples comprising of liver (n=14), spleen (n=14) and intestinal contents (n=14) were collected from 14 pigeons (7 sick and 7 dead). The samples were collected from the selected Duck and Pigeon farms at three Upazillas (sub-districts) in Dinajpur district, Bangladesh. The samples were subjected for isolation and identification of Salmonella spp. following standard bacteriological examinations such as cultural and morphological characteristics, biochemical properties and motility test. Commercially available antibiotic discs were used for the assesment of antibiotic resistant patterns by disc diffusion method. Results: Salmonella spp. could be isolated from 39.58% (n=19/48) duck and 28.57% (n=12/42) pigeon samples. The growth of colony with different characteristics in Brilliant Green agar, Nutrient agar, Salmonella-Shigella agar and Mac Conkey agar indicated positive results. Dextrose and mannitol were fermented and in Triple Sugar Iron (TSI) slant media, the isolates produced red color, yellow in butt with slightly black color. Positive result was found in Indole and Methyl Red media. The isolated Salmonella organisms were found to be highly sensitive to Azithromycin, Ciprofloxacin and Levofloxacin. Conclusion: Pigeons and ducks found in the study area may be the carrier of Salmonella spp. The farm should be checked periodically to know the status of Salmonella infection. Further study might be isolation and identification of Salmonella organism with detail genomic analysis and drug resistance.
Lumpy skin disease (LSD) is an acute viral disease infectious of cattle and recently emerged very common in Bangladesh causing economic losses. Hence, this study was design to investigate the prevalence of LSD in considering the herd level and some of management status. Thus, a total of 453 sick animals were subjected to study during the period of April 2020 to July 2020 in Dinajpur. LSD was confirmed according to the clinical inspection and microscopic study of skin scraping. The results indicated that the overall prevalence of LSD was 41.06% in cattle. Moreover, the local breed (75%) and young cattle less than one year (64%) were significantly (p<0.001) higher for LSD with the significant (p<0.001) skin lesions in whole body (44%). In addition, the animal grazed in flock (61%), non-dewormed (58%), non-vaccinated (61%) was significantly (p<0.05) higher for LSD. In the same way, 75% prevalence was in without fly repellent (p<0.001). Afterward, the univariate logistic regression in herd level information had the odd ratio of local breed (95% CI: 0.244-0.553), skin lesions in abdominal regions (95% CI: 1.620-5.923) and pregnant cattle (95% CI: 1.057-3.386) was 0.367, 3.098 and 1.892 respectively indicated the likelihood of no LSD outbreaks. Besides this, the odd ratio of dewormed cattle, vaccinated, individually grazed, regular use of disinfectant and fly repellent farm animal was 1.493 (95% CI:1.024-2.177), 1.491 (95% CI:1.020-2.180), 1.656 (95% CI:1.133-2.421), 1.516 (95% CI:0.952-2.414) and 1.660 (95% CI:1.097-2.513), respectively indicated the likelihood of no LSD. Therefore, LSD infection can be greatly reduced by practicing regular vaccination, deworming, and disinfection, vector controlling and allowing grazing individually, especially with great concern to young female cattle of local breed. Res. Agric., Livest. Fish.7(3): 445-455, December 2020
The present study was undertaken to determine the present status of fowl cholera (FC) infection of poultry in Gazipur district during September 2016 to February 2017. A total of 282 either dead or sick birds (Layer and Sonali) were taken as sample in which the sick birds were subjected to record clinical data and consequently the dead birds were for post mortem examination. Hence, overall 12.41% prevalence was found for FC and about 87.59% was for mixed other diseases . All the birds were grouped into six named as A1, A2 and up to A6 accordingly their age. The highest incidence (29.79 %) was found in A1 (8-20weeks) group and the lowest was 4.26% in A5 (51-60 weeks) group. Furthermore, six FC infected farms were categorized to treat with six specific antibiotics individually. Thereafter, the highest recovery rate (89.6% and 87.5%) was recorded in two farms using Enrofloxacin and Gentamicin particularly. The lowest recovery rate (60%) was in Erythromycin treatment group. However, the layer birds of six farms lost their body weight almost 11.84%, specifically the highest percentages (16.49%) was in treated with Ampicillin and lowest percentages (5.79%) found in a farm treated with Gentamicin. In brief, FC commonly appears just near to laying age and therapeutic management trivially decreases the body weight that ultimately shoots up the production cost.
Objective: Anticoccidial drugs may lead to the development of drug resistance and drug residues. Herbal extracts could be an attractive alternative. This research was undertaken to evaluate the anticoccidial outcome of Carica papaya compared with the anticoccidial drug (Toltazuril) in Sonali chickens. Materials and Methods: A total of 80 Sonali chickens were evenly and equally allocated into four groups, namely T 1 (non-infected control), T 2 (infected control), T 3 (treated with C. papaya ), and T 4 (treated with Toltrazuril). All groups were experimentally infected with oocysts of mixed Eimeria spp. orally except T 1 , and the mixed Eimeria spp. oocyst load (OL), body weight (BW) gain, and hematological parameters were calculated. Results: In the findings, the highest OL reduction rate in T 4 was 100%, while the T 3 was 83.44%. Nevertheless, BW differed significantly ( p < 0.01) among the different groups, while the daily BW gain was higher in T 3 amounting to 8.10 gm. In the case of hematological parameter, total erythrocyte count (TEC), hemoglobin (Hb), packed cell volume (PCV), and erythrocyte sedimentation rate in different groups were almost the same and were also statistically insignificant ( p > 0.05) barring total leukocyte count resulting as significant ( p < 0.05) at day 30. Additionally, the results of Pearson’s correlation in T 3 at day 30 indicated a strong significant ( p < 0.01) negative correlation between OL and BW ( r = −0.780) with the following regression equation: y = −0.16* x + 433.665. Moreover, the correlation of TEC, PCV, and Hb with OL was significantly ( p < 0.01) negative, r = −0.786, r = −0.752 and r = −0.633, where the regression equations were y = −0.03* x + 4.51, y = −0.03* x + 27.42, and y = −0.04* x + 11.40, respectively. Conclusion: Long-term use of C. papaya leaves’ extracts effectively controls coccidiosis in Sonali chickens and can act as an effective growth promoter.
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