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 aimed to determine clinical prevalence of diseases and disorders in cattle and goat at the Upazila Veterinary Hospital, Beanibazar, Sylhet district of Bangladesh from August 2016 to July 2017. A total of 988 clinical cases (683 cattle and 305 goats) were recorded and analyzed. Each clinical case was diagnosed on the basis of general examination, clinical examination, microscopic examination and using common laboratory techniques. The clinical cases were categorized into three categories based on the treatment required (Medical, Gynaeco-obstetrical and Surgical). Among the clinical cases, highest percentage was found for medical (cattle 86.82% and goats 95.41%) followed by surgical (cattle 7.47% and goats 4.26%) and gynaeco-obstetrical (cattle 5.71% and goats 0.33%). Within the medical cases, gastrointestinal nematodiasis (cattle 15.96% and goats 14.75%) and digestive disorder or diarrhea (cattle 13.62% and goats 12.79%) were recorded as main diseases in cattle and goats. On the other hand, gynaeco-obstetrical and surgical cases were found as significant (<3% in each occurrence). The current investigation could be helpful in designing control measures for the prevalent diseases.
The study was conducted at Upazila Livestock Office, Sadar, Dinajpur of Bangladesh from January 2018 to December 2018 to investigate the incidence of reproductive disorders in goat. Data on reproductive disorders were collected on the basis of owner’s complain and observed clinical signs. Age and season wise occurrences of reproductive disorders were also recorded. Descriptive statistical analysis was done. Out of 2484 clinical cases, a total of 107 reproductive disorders of goat were recorded. Incidence of abortion (38.3%) was higher and pyometra (0.9%) was lower among reproductive disorder in goat. The incidence of reproductive disorders of goat was higher in group-2 (above 1-2 years) (36.4%) followed by group-1 (upto 1 year) (21.6%), group-3 (above 23 years) (21.5%), group-5 (above 4 years) (15.3%) and group-4 (above 3-4 years) (3.6%). Among reproductive disorders, the incidence of abortion was higher in group-2 (58.9%) followed by retained placenta (50%) in group-4, metritis (47%) and dystocia (23.5%) in group-5, repeat breeding (17.4%) and anestrus (4.3%) in group-3, and pyometra (2.5%) in group-2. Slight seasonal variation among individual case of reproductive disorders were recorded, highest in winter (34.5%) than summer (32.4%) and rainy season (31.7%). The incidence rate of abortion was high in each season (summer 25%, rainy 32.3% and winter 56.7%). In case of retained placenta and dystocia, the incidence was high in summer season (22.2%). But in case of metritis and repeat breeding, the incidence was high in rainy season (32.3% and 14.7% respectively). For treatment of reproductive disorders in goat, antibiotics drugs (35%) were used most commonly and hormonal drugs (3%) used in lower percentages. It was concluded that the most pressing constraint on goat reproduction in Bangladesh is abortion, retained placenta, dystocia and metritis. Strategies should be taken to minimize their occurrence. Asian J. Med. Biol. Res. June 2020, 6(2): 212-221
This study was conducted to investigate the pathoprevalence of different infectious diseases of goat at Sadar upazilla of Dinajpur district in Bangladesh. Infectious cases were recorded with respect to breed, sex, age and season from Upazilla Veterinary Hospital and District Veterinary Hospital, Sadar, Dinajpur during July, 2014 to June, 2015 and diagnosis was made on the basis of clinical history, clinical examinations and common laboratory techniques with histopathological examination. A total of 2139 infectious diseases were founded and categorized by the causal agents where the highest prevalence was observed in mixed infectious diseases (46.06%) followed by viral diseases (28.93%), internal parasitic diseases (9.77%), external parasitic diseases (8.42%), bacterial diseases (3.00%), protozoal diseases (2.01%) and lowest was in fungal diseases (1.83%). The prevalence of infectious disease was significantly higher at Jamunapari (55.12%) than Black Bengal (44.88%). Female goats were more susceptible (54.32%) than male (45.68%). The prevalence was varied according to age and highest was in G-1 (45.48%) followed by G-2 (36.48%) and G-3 (17.68%). Summer season (33.60%) was common for infections followed by winter (33.51%) and rainy (32.89%). Most of the internal lesions were produced by the endoparasitic infections which were examined microscopically. These results indicate that, the prevalence of various infectious diseases in the goats was higher at Sadar, Dinajpur thus, there is a need for an appropriate control measures in order to prevent and minimize the loss caused by such diseases and this study may help to develop strategies against the infectious diseases of goat.
Salinity tolerance to Thai silver barb, Barbodes gonionotus was investigated under laboratory conditions using common salt (NaCl) and sea water. With a view to determine the median lethal concentrations (LC50 values), the fish were exposed to various concentrations of the salt and sea water for a period of 96. Common salt up to a concentration of 12 ppt and sea water up to a concentration of 10 ppt did not cause mortality to the experimental fish. The LC50 values for 6h, 12h, 24h, 48h, 72h, and 96 hexposure times were 17.91 ppt, 16.91 ppt, 15.35 ppt, 14.51 ppt and 13.92 ppt common salt, respectively. During experiment action with sea water, the LC50 values obtained were 15.02 ppt, 14.18 ppt, 13.48 ppt, 12.61 ppt, 12.35 ppt and 12.25 ppt for 6 h, 12 h, 24 h, 48 h, 72 h and 96 h exposure times, respectively, On the other hand, pre-exposure acclimation in modifying the acute lethal toxicity of the salt showed, a concentration of 18 ppt salt killed all the fish within 4 days, indicating that gradual increases in salinity increases the salt tolerance of B. gonionotus.
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