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Item ASSESSMENT OF STATUS AND PROFITABILITY OF SMALLHOLDER VILLAGE DAIRY SYSTEM(Chittagong Veterinary and Animal Sciences University, Khulshi-Ctg, 2013-02) Chakma, JagrityThe study was undertaken to assess the status and profitability of the smallholder village dairy system. Seven dairy farms were surveyed from two areas of Bangladesh (Rangamati and Khagrachari). The studied dairy herd consists of 07 to 15 cows. Both indigenous and crossbred cows reared in studying farms. The indigenous cows produce milk 1 to 2.5 liters per day and crossbred cows produce 7 to 10 liters per day. The net annual income for per cow was ranging from taka 3200 to taka 19000. The variety of net annual income of cows mainly due to breed variation, management practices and other operational cost. The study reveals out that crossbred with proper management and lower operational cost leads to increased profitability of the farm. In addition, smallholder village dairy farming system farmers are faced with some constraints.Item A CASE STUDY OF THE RABBITRY UNIT AT CVASU(Clinical Report presented in partial fulfillment for the Degree of Doctor of Veterinary Medicine (DVM) Faculty of Veterinary Medicine Chittagong Veterinary and Animal Sciences University Khulshi, Chittagong-4225, 2014-01) Miya, Md. SumanA study was conducted on 12 cross breed New-Zeeland white rabbits aged about 6 months to know their growth and reproductive performance for a period of 3 months at the Rabbitry unit under the Department of Animal science and Animal Nutrition, CVASU. All rabbit were provided about 100 g concentrate mixture having 2369 kcal/kg energy and 16.44 % CP and ad-lib. green grasses twice daily. It was found that the daily average bodyweight gain, DMI and FCR in females were 13.33±0.07g, 119.5±5.05g, 11.15; and in males were 14.44±0.09g, 119.5±5.05g, 12.08g respectively. The reproductive performance of the adults in the form of per cent of does kidded, average gestation period, litter size at birth, litter weight at birth, individual kit weight at birth and kit mortality were 100%, 31±0.30 days, 3.4±0.45 Nos., 240±15.25g, 70.59±3.3g and 10.5% respectively. The daily average feed cost of rabbit rearing was also calculated and found as BDT. 3.39 for each animal. Furthermore, the total cost of rabbit rearing and overall profit was also calculated in this study. It was again found that the total profit from rearing of 12 adult rabbits in three months was 7030.6 taka. In this regards, it may be recommended that rabbit has great potentiality in growth and reproduction as it can be reared with a very minimal cost.Item A REPORT ENCOMPASSES THE MANAGEMENT PRACTICES AND PRODUCTION PERFORMANCES OF BROILER PARENT STOCK (HUBBARD CLASSIC) RAISED UNDER CONTROL HOUSING SYSTEM OF POULTRY FARM LOCATED AT SAVAR, DHAKA.(Chattogram Veterinary & Animal Sciences Universiy, KHULSHI, CHITTAGONG-4225., 2011-01) Islam, Md.AminulThe study was conducted to focus on the management practices and production performances of broiler parent stock (Hubbard Classic) raised under control housing system at Usha Poultry Farm Ltd. At Savar, Dhaka. The study was undertaken with 70,000 broiler parent stock (Hubbard Classic). Result related with the average body weight gain at starter stage (0-6 week), grower stage (7-18 week), pre-breeder stage (19-23 week) and breeder stage (24th week - end) of Hubbard Classic female birds was 480.83 gm, 1384.25 gm, 2426.40 gm and 3745.46 gm respectively. Similarly in Hubbard Classic male birds it was 573.5 gm, 1732.5 gm, 2874.8 gm and 4001.03 gm respectively. Achieved average flock uniformity (0-62 week) of male and female birds was 67.36% and 73.96% respectively. The hen day egg production of the flock was 38.41%, 72.12%, 70.91%, 68.73%, 65.27% and 60.24% per week respectively at 25-30, 31-36, 37-42, 43-48, 49-54 and 54-60th week. The hatchability of eggs was observed in this farm was 76%, 87%, 83%, 81%, 81.2% and 80% per week respectively at the age of 26-31, 32-37, 38-43, 44-49, 50-55, 56-60th week. Overall mortality of the flock was below 2% but it reached to 2.56 at the age of 31-32week due to Mycoplasmosis. It may therefore be inferred that Hubbard Classic broiler parent stock performs well under control housing system in our country.Item A REPORT ON HATCHABILITY STUDY WITH IT’S PROBABLE CAUSES & REMEDIES OF HATCHING FAILURE OF COBB-500 UNDER RENETA HATCHERY IN BHALUKA, MYMESINGH DISTRICT.(Chattogram Veterinary & Animal Sciences University, KHULSHI, CHITTAGONG-4225., 2011-01) Sharmin, ShabnamThis study was carried out to investigate the present status of management systems of a hatchery in a selected area of Mymensingh district, Bangladesh. For achieving the necessary goals set information was collected from the hatchery (during internship training from 15 September ’10 to 14 October ’10). The whole management system was observed and sought for the establishment of a standard commercial hatchery and better consultancy. The collected information was then compelled and conclusion was drawn. In my selected hatchery where I worked which hatchability is 85% - 87%, monitoring its performance by egg breaking analysis. The study totally talks about the management key points and controlling system of a recognized hatchery, which is required in the developed poultry industry.Item A REPORT ON MANAGEMENT, PROSPECTS AND PROBLEMS OF ORNAMENTAL BIRD FARMING AT SAVAR UPAZILLA IN DHAKA DISTRICT(Chattogram Veterinary & Animal |Sciences University, 2011-01) FERDOWS, SALIMAA study was conducted using a pre-tested interview schedule in the village Charigram under Savar upazilla of Dhaka district to analyze the management, problems and prospects of ornamental bird farming in intensive management condition. Data were collected from Farmvilla farm at Savar area. Housing cost, floor space of house, feeder space, waterer space, quantity of feed supplied to each bird/day, price of bird, number of egg production, production of offspring/year and disease prevalence, mortality rate, profitability from each species, net profitability per month are discussed in this study. Birds were reared in intensive management system with supplementary feeding. Study shows that since farmers have few ideas about breed, variety of ornamental birds and their prevention of diseases but they gain profitability because of their good management. Since there is a reasonable demand of ornamental birds due to their beautification, attractiveness and recreation purpose in the market.Item ASSESMENT OF ANTIBIOTIC RESDUE in broiler LIVER SAMPLE AND ITS PUBLIC HEALTH SIGNIFICANCE(Chattogram Veterinary & Animal |Sciences University, 2007-02) Alam, Dr. Md. RasibulNowadays broiler may treat most important source of animal protein for the large number of people of Bangladesh. Day by day poultry industry develops gradually and the use of antibiotics also increases not only as growth promoter as well as for controlling infectious diseases. But indiscriminate use of these drugs deposits some residue in different body tissues of poultry. Antibiotic residue in poultry tissues is an important issue which needs accurate detection, proper monitoring and sufficient legislation to ensure food safety of people. This research highlights the importance and existence of antibiotics residue in meat. My present study was conducted for the detection of existence of antibiotic residue in broiler liver. Here I use the TLC for the detection of residual antibiotic in broiler liver as it is easy to perform, allow simultaneous analysis of large numbers of samples and give rapid and accurate results in comparison to other methods. In this survey liver extract prepared from 2gm of liver by using trichloroacetic acid 30% and diethyl ether. After pointing and running on TLC plate, chromatograph observed under UV light. Among the 10 samples from various shops 6 positive samples were found, so about 60% of samples contain antimicrobial residue with the standard error of 0.090341. It was stated that probably in some cases chicken meat producers do not respect regulations about withdrawal periods of the veterinary productsItem A STUDY ON PREVALENCE OF SUB CLINICAL MASTITIS IN DAIRY COWS IN SOME SELECTED DAIRY FARMS UNDER CHITTAGONG DISTRICT(Chattogram Veterinary and Animal Sciences University Khulshi, Chattogram-4225, Bangladesh, 2009-04) Mohiuddin, MD.This study investigated the current status of sub clinical mastitis in 12 dairy farms in 306 dairy bovine udders at Chittagong metropolitan area over a one-month period. The prevalence of sub clinical mastitis was assessed by the results of physical examinations of the mammary gland and by California Mastitis Test (CMT) from a total of 1224 quarters. The samples were randomly collected from udders apparently normal and those affected by sub clinical mastitis. The cow-based prevalence of sub clinical mastitis defined by a cow having at least one CMT positive quarter was 70% of them affected with sub-clinical mastitis .The prevalence of sub clinical mastitis was higher in sahiwal x Friesian cows (90%) than other breeds and the lowest prevalence of sub clinical mastitis found in ( local x Friesian ) x Friesian cows. The prevalence of sub clinical mastitis was higher in large dairy farm (73%) than small (68%) and medium farm (72%) size. The dairy cows of 5-6 years aged were most susceptible to sub clinical mastitis than other age and old aged cows were less susceptible to sub clinical mastitis. Frequency of mastitis was found to be increased steadily with advancing age.The prevalence of sub clinical mastitis was higher in early lactation (83%) and in mid lactation (80%) than late lactation (74%). Prevalence of sub clinical mastitis among cows of first parity (78%) were higher than others (1-6, 7 & above 7 parity).The frequency of mastitis in front quarter was higher than hind quarter (1.045 times) and the rate of quarter infection was 45%. Prevalence sub clinical of mastitis in pregnant animals (88.61%) were higher as compared with fresh (61.45%). Higher prevalence of sub clinical mastitis (90%) was found in cows producing 5 to 10 liters milk in the morning. Higher prevalence of sub clinical mastitis was found in dirty barn (38%) and dirty teat and udder (40.42%) 0f cows.Item A STUDY ON HERD HEA LTH MANAGEMENT OF MOLLAH DAIRY FARM FROM A RETROSPECTIVE STUDY, SOUTH POTANGA, CHITTAGONG(Chattogram Veterinary & Animal |Sciences University, 2009-06) Ali, Md. SayedThe study was conducted during the period of 15 days starting from 7th July to 21st July, 2008 at Mollah dairy farm, South Potanga, Chittagong to know the Herd health management and economic status of this farm from a retrospective study. The data and information were collected from the farmer and register khata directly. There are two times feeding (morning &evening). Adlibitum watering, 100% stanchion barn housing (face in), natural & Artificial ventilation(electric fans), routinely deworming & routinely vaccination, heat detection by close observation & 100% Artificial Insemination were practiced. .Reproductive health management, udder hygiene before and after milking, average milk production per cow 11.6L\day and marketing of milk both wholesaler and retailer. Some common problem of this farm and remedy of them. At the time of study average milk production was (750-800)L\day. Total income from the farm per month was 11,80000Tk and total cost per month was 10,24,330Tk . So, net profit of the farm per month was (11,80,000-10,24,330)Tk =1,55,670Tk.Item MANAGEMENT & GROWTH PERFORMANCE OF JAPANESE QUAIL IN A LOCAL QUAIL FARM AT NOAKHALI(Chattogram Veterinary & Animal |Sciences University, 2012-05) Naim, Mst.JannatulUnder consideration of the demand of poultry meat now-a-days in Bangladesh and the profitability of quail farming, the study was conducted with a view to learn the management practices and productive performance of Japanese quail in a farm at Noakhali, maijdee. To observe the management & growth performance of one batch of Japanese quail from setting of eggs for incubation, hatching to marketing age (0-6 wks) under cage ( wire floor) rearing system, the study was conducted for a period of total 09 weeks from 10th November 2011 to 18th January 2012. The works were done with 570 quail chicks separately reared in two sheds.The chicks were hatched in the own hatchery of farm.The hatchability rate was 71.25%.The feeding system was ad-libitum basis. The birds were reared for 6 wks (marketing age) and were sold when the weight of 110-125gm was acquired. The result of the study showed that the feed intake of birds were 2.45, 7.5, 10.4, 16, 18 & 22g in 1st, 2nd, 3rd, 4th, 5th and 6th weeks respectively. The average weight gain was 125gm at 6 wks with an average feed conversion ratio of 4.42:1. Mortality was determinded 2.57%. Cost benefit ratio was determined 1.79.Item A Study on Management and Production Performances of Sonali Chickens at a Poultry Farm, Chittagong(Chattogram Veterinary and Animal Sciences University Chattogram-4225, Bangladesh, 2017-11) Ali Murtaza, Md.The present study was conducted with the aim of accumulating the detailed information about the management practices and production performances of sonali chickens reared intensively as broiler up to 9th week of age on a sonali chicken farm at Bayezid thana, Chittagong, from 04 August to 06 October 2016. Observation on housing, brooding, lighting, feeding, medication, vaccination, body weight gain, uniformity, livability, cost benefit ratio and disease control practices were done. Average feed intake, average live weight gain, feed conversion ratio, uniformity, livability and cost benefit ratio were recorded. The average daily feed intake and weight gain in 1st, 5th and 9th week were 16 gm, 28.20 gm; 36 gm, 216 gm and 57 gm, 650.20 gm respectively. The uniformity of Sonali chickens in 1st, 5th and 9th were 88%, 87% and 88% respectively. The FCR, performance efficiency factor, feed price ratio, performance efficiency index, livability and cost benefit ratio were 2.25, 295.5, 1.86, 280.7, 95% and 1.20 respectively. It is concluded that sonali chickens has overall good performance that can fulfill the customer's demand and can be used widely as an alternative of indigenous/deshi chicken.