Asian-Australasian Journal of Bioscience and Biotechnology最新文献

{"title":"Antibiotic residues in farmed raised tilapia (Oreochromis niloticus) of southwest region of Bangladesh","authors":"M. Kabiraj, J. Shome, SM Shahin Hossain, M. Rahman, G. R. Banu, S. Sultana","doi":"10.3329/aajbb.v4i2.65069","DOIUrl":"https://doi.org/10.3329/aajbb.v4i2.65069","url":null,"abstract":"The objectives of this investigation were to seek out the residue level of nitrofurans and chloramphenicol in cultured tilapia muscle in south west region of Bangladesh. Ninety samples were collected randomly from various fish farm of different Upazillas of Khulna, Satkhira and Bagerhat districts during August-December, 2017, where each district was contained 30 samples. Antibiotic residues level present in the animal muscles were detected using ELISA in the Quality Control Laboratory of the Department of Fisheries, Khulna, Bangladesh. To collect information about the status of feed type questionnaire interviews were performed during sample collection from the respective farmers. The overall results revealed that nitrofuran metabolites and CAP residue existed in all the samples within the MRL (Maximum Residue Level) with the exception of 3.33%, 6.66% and 3.33% samples of Khulna, Bagerhat and Satkhira district respectively. Antibiotic residue data showed all nitrofuran metabolites like SEM, AOZ, AMOZ, AHD and CAP were present in all samples in which SEM was highest in Shatkhira district and lowest in Khulna district. In case of AHD, highest residue was found in Khulna and lowest was Satkhira district. Additionally, AOZ was highest in Khulna district and lowest in Bagerhat district and AMOZ was highest in Bagerhat district and lowest Satkhira district. CAP was found highest in Satkhira district while that was lowest in Bagerhat district. The results of the also revealed that contamination of nitrofuran metabolites and chloramphenicol were more in tilapia farms where home-made feed was used compared to commercial feed. Asian Australas. J. Biosci. Biotechnol. 2019, 4 (2), 102-108","PeriodicalId":184754,"journal":{"name":"Asian-Australasian Journal of Bioscience and Biotechnology","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114669094","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Clinical investigation of PPR outbreak and sero-prevalence of PPR viral antibody in different areas of Bangladesh","authors":"Md. Abu Yousuf, M. Ershaduzzaman, Md. Alauddin, Md. Mamunur Rahman, Tania Akhtar, Md. Zakir Hassan, Md. Zulfekar Ali, Nupur Dhar, Md. Rafiqul Islam, M. Giasuddin","doi":"10.3329/aajbb.v4i2.65070","DOIUrl":"https://doi.org/10.3329/aajbb.v4i2.65070","url":null,"abstract":"Peste des petits ruminants (PPR) is an acute, highly contagious, world organization for animal health (OIE) notifiable and economically important transboundary viral disease of sheep and goats associated with high morbidity and mortality and caused by PPR virus. This research work was done in 2016-2017 by executing, surveillance and clinical investigation studies to determine present status of circulating PPR virus and its detection of antibody level of PPRV in different areas of Bangladesh. cELISA was conducted to detect the PPR antibody and RT-PCR also used for identification of N gene PPRV. The clinical outbreak of PPR, the total 124 samples was collected at the six  locations of the country and highest case fatality (morbidity) was recorded at Jhenaidah 93.75% (75 out of 80).The highest morbidity rate and mortality rate was 69.23% and 13.07% respectively. The result of RT-PCR indicates the PPR virus circulating in the different regions of Bangladesh. For sero-prevalence of PPR antibodies of 366 serum samples were collected at different region of Bangladesh such as Chuadanga 47.81% (22 out of 47), Sirajganj 34.21% (13 out of 38), Thakurgaon 48.15% (26 out of 54), Satkhira 56.92%  (37out of 65), Jhenaidah  33.33% (28 out of 84) and Chattogram 30.79 % (24 out of 78). It is reflected that the selected areas are highly suspected PPR and need to proper vaccination against PPR vaccine that can protect PPR disease in goat and sheep which helps to meet global PPR control strategy as well as contribute to achieve the two (2) number of Sustainable Development Goals (SDGs). \u0000Asian Australas. J. Biosci. Biotechnol. 2019, 4 (2), 109-115","PeriodicalId":184754,"journal":{"name":"Asian-Australasian Journal of Bioscience and Biotechnology","volume":"106 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132388344","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Intestinal helminth infestation in Rattus rattus: effect of habitat, sex, weight and season","authors":"A. Begum, Md. Sadequr Rahman, Subrina Sehrin, Mandira Mukutmoni","doi":"10.3329/aajbb.v4i2.64951","DOIUrl":"https://doi.org/10.3329/aajbb.v4i2.64951","url":null,"abstract":"The occurrence of gastrointestinal helminths was investigated in 50 house rats (Rattus rattus) trapped from two habitats; domestic area and paddy field area of Dhaka, Bangladesh during May 2014 to April 2015.  The prevalence of helminths was 88% (44/50) and intensity was 34.73 (1528 parasites from 44 hosts). The study revealed that the rodents were infected with eight species of parasites (one trematode, four cestodes and three nematodes) which were collected from gastrointestinal tract and liver of the hosts. Of the helminths, the dominant parasites were Echinostoma cinetorchis (36.52%) followed by Heterakis spumosa (31.74%), Hymenolepis nana (7.26%), Syphacia obvelata (7.13%), Hydatigera taeniaeformis (6.68%), Oesophagostomum eurycephalum (5.04%), Hymenolepis diminuta (3.01%) and Hymenolepis sp. (2.62%). Domestic rats showed the highest prevalence of infestation (90%) compared to paddy field rats (85%), whereas the intensity was lower (30.30 ± 10.53) in domestic rats than in the paddy field rats (41.77 ± 12.79). Peak prevalence was observed in males but intensity was found higher in female host. Occurrence of double infection was higher in domestic rats (53.33%). Intestine was the favorite niche compared to other organs. The highest prevalence was observed in winter and spring and the intensity was the highest in autumn in domestic rat, whereas in paddy field rat, the highest prevalence was observed in autumn and spring, the intensity was also the highest in spring. In both the hosts, intermediate length groups and highest weight groups were more vulnerable to infection. \u0000Asian Australas. J. Biosci. Biotechnol. 2019, 4 (2), 74-79","PeriodicalId":184754,"journal":{"name":"Asian-Australasian Journal of Bioscience and Biotechnology","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127174477","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Phytoremediation potential of mustard (Brassica juncea) varieties exposed to lead stress","authors":"T. Chakrobarty, J. Naher, M. Noor, U. Nath","doi":"10.3329/aajbb.v4i2.64952","DOIUrl":"https://doi.org/10.3329/aajbb.v4i2.64952","url":null,"abstract":"While the growth of most plants is severely restricted by the toxic effects lead (Pb), some (plants) can cope with the heavy metal stress. These hyperaccumulators are used to extract (lead) from contaminated soil in a process called phytoremediation. Although some species of Brassica are widely being used as hyperaccumulators, the phytoremediation potential of many varieties of Brassica juncea (mustard) is not well understood. The present study was conducted to assess the phytoremediation potentials of 11 mustard genotypes under Pb stress. Twenty-day-old seedlings were exposed to 200 µM Pb nitrate under hydroponic conditions and grown for 60 days. The experiment was conducted following a completely randomized design with three replications.  In response to Pb stress, a significant reduction in growth of the studied traits was observed in all of the varieties. The lowest reduction for all of the studied traits including Pb accumulation was recorded in BJ DH 17. Nevertheless, the translocation of Pb from root to shoot and shoot to grain was highest in Sambal. Bioaccumulation co-efficient was highest in Sambal whereas it was lowest in BJ DH 17. Based on the results of the present study, the variety Sambal is recognized as the most suitable genotype that can be used for Pb phytoextraction. \u0000Asian Australas. J. Biosci. Biotechnol. 2019, 4 (2), 80-87","PeriodicalId":184754,"journal":{"name":"Asian-Australasian Journal of Bioscience and Biotechnology","volume":"75 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114334006","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Small scale production system of broiler in Pabna and Sirajganj district of Bangladesh","authors":"M. Ali, M. Ershaduzzaman, R. Khatun, Shamim Ahmed, M. Alam, Mosharaf Hossain, Ummeya Shiha Alam, Most. Mahfuja Khatun, S. Munira, Shahidur Rahman","doi":"10.3329/aajbb.v4i2.64954","DOIUrl":"https://doi.org/10.3329/aajbb.v4i2.64954","url":null,"abstract":"The study was conducted in Pabna and Sirajganj districts under Rajshahi division of Bangladesh to assess the current scenario, feasibility, vaccination service, net income from small scale Broiler farming. The information was collected using pre-structured questionnaire from 50 randomly selected respondents who were involved in broiler farming. We collected the data related to family member(s), education, main occupation, training, annual income, number of broiler in each batch, name of feed Company; types of shed, existing marketing system etc. Results showed that out of 50 respondents 80% completed their graduation, 10% medium level of educated and rest of the respondents were illiterate. In case of farmer types, 29% small farmers, 41% medium type & rest of them were large type farmer. The day old chick (DOC) price was ranging from 40-42 taka each of all respondents. Most of the respondents used ready broiler feed and purchased from Kazi, Provita and Nourish Co.Ltd. About 30-40 % farmers marketed their birds at 32-35 days and final weight was ranging from 2.06- 2.29 kg/bird. The result of present study could be considered as a useful tool to new entrepreneurs at decision making in broiler production in Bangladesh. \u0000Asian Australas. J. Biosci. Biotechnol. 2019, 4 (2), 97-101","PeriodicalId":184754,"journal":{"name":"Asian-Australasian Journal of Bioscience and Biotechnology","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126106857","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A study on fish market and marketing system in Gazipur district, Bangladesh","authors":"Suman Lal Debnath, Md. Fakhrul Islam, S. Haque, P. S. Das, Md. Idris Miah, Md Jasim Uddin","doi":"10.3329/aajbb.v4i1.64868","DOIUrl":"https://doi.org/10.3329/aajbb.v4i1.64868","url":null,"abstract":"Marketing of fish and fishery products in the three markets of Gazipur district were studied during the period from November 2014 to April 2015. Data were collected from three different markets. A total of 45 traders (retailers), 15 from each market were interviewed at the market center. A survey questionnaire was developed, pre-tested and finally used for collection of data. Data were collected from the three different fish markets through questionnaire interviews and focus group discussions. Three types of marketing channel were found to be operated in the selected markets. The market chain from fishermen to consumer passes through a number of intermediaries: local traders, agents/suppliers, retailers and consumers. The shorter marketing chain which included the fish farmers, retailers and consumers was found to be more beneficial to the fish producers. There are some fish species available in three different markets, such as Indian major carps i.e. rui, catla, mrigal and Exotic fish i.e. silver carp, grass and common carp, tilapia, pangas etc. The price of fish depended on size, weight, season, availability, species quality and size of fishes. Different types of dried and salted fish were available in the markets. A number of constraints for fish marketing were reported by the retailers, the constraints were lack of storage facilities, poor supply of ice, exploitation by middlemen, lack of money and lack of infrastructure. \u0000Asian Australas. J. Biosci. Biotechnol. 2019, 4 (1), 7-13","PeriodicalId":184754,"journal":{"name":"Asian-Australasian Journal of Bioscience and Biotechnology","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125510408","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Farmers’ awareness on use of ICT in farm practices","authors":"Fahim Hasan, M. Rahman, M. Hoque, Khondokar Kamruzzaman, Md. Azizur Rahman, Subrato Mojumder, Mt Mimi Talukdar","doi":"10.3329/aajbb.v4i1.64925","DOIUrl":"https://doi.org/10.3329/aajbb.v4i1.64925","url":null,"abstract":"The main purpose of the study was to understand the extent of awareness of farmers on use of ICT in farm practices. At the same time, important factors were identified those could contribute to farmers‟ awareness on use of ICT. The study was conducted in the existing CIG of Ishwarganj upazila in Mymensingh district. Data were collected from 110 CIG farmers in the selected upazila during the period from 03 October to 05 November, 2018 by using a pre-tested structured interview schedule. Farmers‟ awareness was measured by checking extent of their extent of awareness of seven selected ICT services as cell phone, smart phone, personal computer, services from AICC, services from UDC, Krishi Call Centre and mobile apps. A number of characteristics of the farmers were selected as the factors for explaining farmers‟ awareness on use of ICT. Appropriate scales were developed and used in order to measure the concerned variables. Correlation test was used to ascertain the relationships between the concerned variables, while multiple regression (enter method) analysis was also used to determine the contributions of the farmers' selected characteristics to their opinion on selected ICT based facilities. Results showed that 23.7 percent farmers had “moderate awareness” on use of ICT in farm practices while 60 percent and 12.7 percent of the farmers had “low” and “very low awareness” on use of ICT based facilities in their farm practices. Farmers' characteristics such as education, knowledge about ICTs, ability to use ICTs, access to ICT facilities, attitude towards ICT had significant positive relationship with their awareness on use of ICT; while age, household size and annual income had significant negative relationship with the awareness on use of ICT. Results of multiple regression analysis revealed that the influential factors on the farmers‟ awareness on use of ICT were household size, knowledge about ICT, ability to use ICT and attitude towards ICT. The R2 value indicated that, four explanatory variables together explained 80.0 percent variation infarmers‟ awareness on use of ICT. The study also identified some constraints faced by the farmers while using ICT services in receiving agricultural information. The study revealed that an overwhelming majority of the farmers (97.3 percent) had high level problems in using ICTs while only 2.7 percent faced medium problems. Lack of training facilities on ICT, cost of using ICT services, low knowledge on availability of ICT based facilities, lack of operational knowledge of computer, low bandwidth speed of internet, limited availability of ICT services, poor level of education/ illiteracy, and so on were identified as the major constraints faced by the farmers. \u0000Asian Australas. J. Biosci. Biotechnol. 2019, 4 (1), 34-47","PeriodicalId":184754,"journal":{"name":"Asian-Australasian Journal of Bioscience and Biotechnology","volume":"101 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133494854","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Molecular identification and antibiogram profiles of respiratory bacterial agents isolated from cattle reared in some selected areas of Mymensingh division, Bangladesh","authors":"K. Saif, F. Begum, S. Rahman, M. Islam, K. Nazir, Md., S. Khan","doi":"10.3329/aajbb.v4i1.64949","DOIUrl":"https://doi.org/10.3329/aajbb.v4i1.64949","url":null,"abstract":"Respiratory bacterial infections in cattle are very common all over Bangladesh causing high economic loss. This research was performed with a view to proper control of respiratory bacterial infections of cattle in Bangladesh. A total of 100 nasal samples were collected on the basis of clinical signs. From the collected samples isolation, identification and characterization of the bacterial agents was done using cultural, biochemical and molecular techniques. Antibiogram profiles of the isolated agents were studied by disc diffusion method. Pasteurella multocida, Staphylococcus aureus and Escherichia coli were successfully isolated and identified from the collected samples. The isolated Pasteurella multocida produced small, round, opaque colonies on blood agar; Staphylococcus aureus produced golden yellow colony in mannitol salt agar; E. coli produced black color colonies with metallic sheen on EMB agar. Pasteurella multocida showed Gram negative, bipolar rods. Staphylococcus aureus showed Gram positive, cocci shaped and E. coli showed Gram negative, small rod shaped. Among 100 nasal samples 16 were found to be positive for Pasteurella multocida, 21 for Staphylococcus aureus and 13 for E. coli on the basis of cultural and biochemical characteristics. The antibiogram study reflected that ciprofloxacin, tetracycline and chloramphenicol should be first choice of treatment of respiratory bacterial infections caused by the isolated 3 bacteria. Pasteurella multocida was further characterized by PCR where 16 isolates showed positive band at 460 bp and Pasteurella multocida type A at 1044 bp. The present research work covering antibiogram study is a preliminary report in the context of Bangladesh. \u0000Asian Australas. J. Biosci. Biotechnol. 2019, 4 (1), 60-66","PeriodicalId":184754,"journal":{"name":"Asian-Australasian Journal of Bioscience and Biotechnology","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125611031","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Serum biochemical changes and growth response study following probiotic and phytobiotic supplementation in broiler chickens","authors":"Md. Moshiur Rahman, Md. Mustafijur Rahman Ripon, Md. Shafiul Arefin, Md. Faisal Ferdous, Md. Harunur Rashid, A. Sani, Mst. Rokeya Sultana, Muhammad Tofazzal Hossain, M. U. Ahammad, K. Rafiq","doi":"10.3329/aajbb.v4i1.64867","DOIUrl":"https://doi.org/10.3329/aajbb.v4i1.64867","url":null,"abstract":"Many alternative substances have been investigated for their potential to replace antibiotics as growth promoters. Probiotics and phytobiotics are some of the products that can be used as growth promoters in broiler. The present study was designed to investigate either single or combined effect of a probiotic and phytobiotic on serum bio-chemistry and growth performances in broilers. A total of 50 Cobb-500 day old chicks were divided into five groups (10 birds each). The birds of Group A were offered a basal diet (corn-soya based), Group B basal diet + 0.10% Renamycin 100®, Group C basal diet + 0.15% probiotic (Bio-Top®), Group D basal diet + 0.10% phytobiotic (Galibiotic) and Group E basal diet + 0.15% Bio-Top® + 0.10% Galibiotic. Body weight, feed intake, weight gain, feed conversion ratio (FCR) and serum bio-chemistry (Triglyceride, cholesterol, LDL, HDL, ALT, AST, creatinine) were recorded. Serum biochemical values differed significantly (P<0.05) among the groups. The average final live weight gain was 665grams, 686grams, 1095grams, 780grams and 1065grams in groups A, B, C, D and E, respectively. The feed conversion ratio was 2.1, 1.96, 1.72, 1.83, and 1.75 in A, B, C, D and E group, respectively. The present study revealed that supplementation of probiotic and phytobiotic in feed significantly reduced triglyceride, cholesterol and HDL values compared to value of control group (P<0.05). Probiotic or its’ combination with phytobiotic has the potential to be exemplary alternatives to antibiotic as growth promoters. \u0000Asian Australas. J. Biosci. Biotechnol. 2019, 4 (1), 1-6","PeriodicalId":184754,"journal":{"name":"Asian-Australasian Journal of Bioscience and Biotechnology","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132612601","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparison of different models for estimation of standardized 300 day milk yield from 15 day test interval records of Red Chittagong Cattle in Bangladesh","authors":"M. Habib, A. Bhuiyan, M. Amin, Md Sajjad Khan","doi":"10.3329/aajbb.v4i1.64950","DOIUrl":"https://doi.org/10.3329/aajbb.v4i1.64950","url":null,"abstract":"The present study was carried out with retrospective data collected from the nucleus herd of USDA funded Red Chittagong Cattle (RCC) project at Bangladesh Agricultural University (BAU) and community herd at Char Jailkhana, Mymensingh during 2005 to 2011. The 15 days test interval daily milk yield records of 141 lactations taken from 52 cows from two different herds were collected to estimate multiplicative ratio factors (RF), simple regression from last test day milk yield record (SRLTD) and last test day along with average daily milk yield from known lactation part at any duration (SRLTAD) for prediction of standard 300 days milk yield. The correlations among 300 day milk yields estimated by three different extension models were also investigated and were found no statistically significant differences (P>0.05) with significantly (P<0.01) highly correlated with each other. The results revealed the accuracy of prediction of ratio factors and regression coefficients for three different models and may be adopted any of those models to extend standardized milk production (300 day) for RCC in Bangladesh. \u0000Asian Australas. J. Biosci. Biotechnol. 2019, 4 (1), 67-73","PeriodicalId":184754,"journal":{"name":"Asian-Australasian Journal of Bioscience and Biotechnology","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114523622","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}