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Articles by M. Shamsuddin
Total Records ( 5 ) for M. Shamsuddin
  M. Belal Hossain , S.M.N. Amin , M. Shamsuddin and M.H. Minar
  This study was carried out in greater Noakhali region (Lakshmipur, Noakhali and Feni) to evaluate the type of aqua-chemicals used in aquaculture activities where data were collected through questionnaire interview, Focus Group Discussion (FCD), personal contact with fish farmers, hatchery and nursery owner, farm workers. A variety of aqua drugs and chemicals including antibiotics have been using in the region by farmers for fish health management and increasing production. Aqua-chemicals were commonly used for pond preparation, disease control and treatment of the carps, tilapia, prawns and weed fishes. Carps show very positive results when they were treated against the diseases, Motile Aeromonas Septicaemia (MAS), Epizootic Ulcerative Syndrome (EUS), Saprolegniasis, Argulosis, Fin rot, Dropsy, Ichthyophthiriasis with oxytetracycline, potassium permanganate, sumithione, malachite green, dipterex, pillar sulfan, secofon, timsen, geolite and lime. The study also identified the problems associated with the use of chemicals which included lack of knowledge regarding the use of chemicals, appropriate dose, method of application and indiscriminate use of chemicals.
  M.M. Kamal , M.M. Rahman , H.W. Momont and M. Shamsuddin
  The objectives of this cross-sectional study were to determine the underlying disorders and effective treatment of postpartum anoestrus. Rectal examination accompanied by ultrasonography was performed twice in a 10-day interval on crossbred (HolsteinxZebu) anoestrus cows at = 60 days postpartum to diagnose their cyclic status. Cows diagnosed as silent estrus and true anoestrus were allotted to different treatment and Artificial Insemination (AI) protocols. The pregnancy was diagnosed thereafter by ultrasonography between 30-35 days post AI. The prevalence of anoestrus was 18.5% (83 out of 448 cows) as reported by the farmers with silent estrus 53.0% (n = 44), true anoestrus 42.2% (n = 35), cystic ovarian disease 2.4% (n = 2) and uterine infections 2.4% (n = 2) as the underlying disorders. Treatment of silent estrus was revealed estrus and conception; respectively, in 52 and 43% cows carefully monitored of estrus signs for AI (Group I, n = 23) and in 73 and 45% prostaglandin treated cows with AI on observed estrus (Group II, n = 11). Prostaglandin treatment followed by timed AI with GnRH administration at first AI (Group III, n = 10) revealed 60% conception. The difference in rates of conception was not significant among different treatment groups (p>0.05). Treatment of true anoestrus was revealed estrus and conception; respectively, in 82 and 64% nutritionally supplemented cows (Group IV, n = 11) and in 50 and 40% suckling restricted cows (Group V, n = 10). GnRH treatment followed by PGF2α administration and timed AI with GnRH at first AI (Group VI, n = 9) revealed 44% conception. Control anoestrus cows (Group VII, n = 5) without any treatment did not show estrus. The difference in rates of conception was significant (p<0.05) between the groups. In conclusions, close monitoring of silent estrous cows for estrus and nutritional supplementation for true anoestrus could be effective tools for successful reproduction.
  G.U. Ahmed , T. Khatun , M. Belal Hossain and M. Shamsuddin
  Investigation on health conditions of a farmed tilapia (Oreochromis niloticus) in two upazilas of Mymensingh District were carried out through clinical and histopathological observation during September, 2010 to March, 2011. Fish sample and water quality parameters (temperature, dissolved oxygen, pH, alkalinity, nitrite and ammonia) were monitored on a monthly basis. Clinical observations of the fish were also done for any kind of abnormalities at monthly intervals. Samples of skin, muscle, liver and kidney were observed by histological techniques. Among the water quality factors, water temperature and alkalinity were found at unfavourable level for fish during the colder months. Clinically, it was observed that the tilapia were more affected from December and January and almost normal in appearance during September, October, November and March. Different clinical symptoms like rough skin, scale loss, red spots and dermal lesions were noticed in December and January. Histopathologically, sampled fish were found almost normal in the months of September and October. In the month of November minor pathologies were found to be started. Marked pathological changes like necrosis, pyknosis, hemorrhage, hypertrophy, hyperplasia, missing of primary and secondary gill lamellae, vacuums, fat droplets and fungal granuloma and fungal hyphae were observed in fish organs during December and January. Whereas, the pathological condition of fish gradually reduced in February. Again when considered individual fish pond, fishes of pond 1 (P1) in Bhaluka upazila were more affected than other ponds. The study showed that severity of clinical and pathological changes were increased in December and January. During the period of Epizootic Ulcerative Syndrome (EUS), bacterial and protozoan diseases were evident.
  Y.A. Patwary , B.S. Sarker , M. Belal Hossain , M.H. Minar and M. Shamsuddin
  Successful aquaculture highly depends on ensuring the quality feed which mostly depends on the proper feedstuffs selection and the manufacturing process. This study was undertaken to monitor the deviation of protein level and the mechanical effects on different biofactors viz. protein, moisture, ash, crude lipid and fiber in feed during manufacture. Samples were collected at randomly and batch wise from the prominent feed industry during the production period. Samples were collected from two different production level viz. ‘Final Mixer’ and ‘Finished Feed’ and third other sample was prepared as ‘Control Mixer’ on the dry basis. All the samples were analyzed by using proper analytical procedure in the laboratory of fish nutrition. The percentage of protein content was 17.9 in control mixer and 18.46 in final mixer which finally decreased to 17.03% in finished feed. In control mixer ash content was 25.74 and 23.1% in final mixer which increased in finished feed to 24.68%. Lipid content increased in finished feed (6.1%) rather than the final mixer (5.95%) and the control mixer (3.75%). However, crude fiber content decreased from control mixer to finished feed thoroughly. Crude fiber content in control mixer was 7.4% which decreased to 6.86 and 6.56% in final mixer and finished feed respectively. Again a relation may be drawn between the moisture content and ash and lipid content with crude fiber. By this study it was observed quality of feed is highly influenced by quality machine.
  G.U. Ahmed , N. Sultana , M. Shamsuddin and M. Belal Hossain
  Field experiment was conducted to evaluate the growth performance of monosex tilapia using homemade feed with Peninsula Group fish meal and commercially available feed with local fish meal in earthen mini ponds from June-September 2010. Three ponds (T1) were supplied with prepared feed and the other three ponds (T2) with commercially available fish feed. Fish were fed at the rate of 10% of their body weight for the first thirty days then gradually reduced to 6% for the next ten days, 2% for the next ten days and 3% for remaining days. The temperature were ranged from 31.5-33.0°C, DO from 5.5-15 mg L-1 in T1 and 6.5-14 mg L-1 in T2, pH from 7.1-8.0 in T1 and 7.1-7.7 in T2, alkalinity from 105-160 mg L-1 in T1 and 100-145 mg L-1 in T2, nitrate was 0.06 mg L-1 in both treatments and ammonia from 0.02 and 0.04 mg L-1 in T1 and T2, respectively. The results of the present study showed that the best weight gain was observed as 123.48 g in T1 than T2 (111.82 g). The Specific Growth Rate (SGR) was recorded 3.09 and 2.97 and the Food Conversion Ratio (FCR) was 1.51 and 1.40 in T1 and T2, respectively. There was significant (p<0.05) variation among the survival rate (%) of fishes which were 75.55 and 90.37% in T1 and T2, respectively. The fish productions were 19076 and 16312.11 kg ha-1 in T1 and T2. The highest net profit (Taka/ha/70 days) of Tk. 15, 83,213 was obtained with T1. So, the prepared feed showed better performance with monosex tilapia in compared with commercial fish feed with local fish meal.
 
 
 
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