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Asian-Australasian journal of animal sciences 17건

  1. [국내논문]   THE INFLUENCE OF COPPER ON THE TOTAL SULPHUR AMINO ACIDS REQUIREMENT OF BROILERS DURING TWO GROWING PERIODS  

    Kassim, H. (Department of Animal Sciences, University Pertanian Malaysia ) , Suwanpradit, S. (Department of Animal Sciences, University Pertanian Malaysia)
    Asian-Australasian journal of animal sciences v.9 no.4 ,pp. 359 - 362 , 1996 , 1011-2367 ,

    초록

    A study was conducted to assess the influence of copper on the total sulphur amino acid requirements of broiler chickens reared under two growing periods. The TSAA levels used were 0.73, 0.83, 0.93% with copper levels of 0, 125, 250 and 375 mg/kg for the starter period and the TSAA levels of 0.72, 0.79 and 0.86% with copper levels of 0, 125, 250 and 375 mg/kg for the grower period. Total feed consumption, body weight gain and feed L gain ratio were used as the parameters for the assessment. The results showed that adding copper at 250 mg/kg to the diets improved feed : gain ratio of the starter broilers and resulted in small improvement of body weight gain and feed : gain ratio of the grower broilers. Growth was depressed in relation to the reduction of feed intake on the chicks fed diet containing 375 mg/kg copper. There was a significant interaction between dietary TSAA and copper levels for feed intake, hence, indicating that the supplementation of copper at the level of 375 mg/kg increased the TSAA requirement of the starter broilers, although no interference with the requirement of grower broilers.

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  2. [국내논문]   EFFECT OF BREEDING LENGTH ON GENETIC IMPROVEMENT IN JAPANESE HOLSTEIN POPULATION  

    Terawaki, Y. (Laboratory of Animal Genetics and Reproduction, Obihiro University of Agriculture and Veterinary Medicine ) , Shimizu, H. (Department of Animal Science, Faculty of Agriculture, Hokkaido University ) , Fukui, Y. (Laboratory of Animal Genetics and Reproduction, Obihiro University of Agriculture and Veterinary Medicine)
    Asian-Australasian journal of animal sciences v.9 no.4 ,pp. 363 - 370 , 1996 , 1011-2367 ,

    초록

    The effect of breeding length of sire on genetic progress was examined in the Holstein dairy cattle population in Japan. Genetic progress was extimated by gene flow method. Breeding length of sires directly influences the replacement rates of sires and the selection intensity of sires because there are a fixed number of progeny tested young bulls per year. As breeding length of sires increased, rate of gene flow decreased and average proportions of genes deriving from selected animals had lower asymptotic values. When breeding length was short, average proportions of genes required a longer period to converge to asymptotic values. Changes of Rcow-sire's(sire to breed recorded cows) and Ncow-sire's(sire to breed non recorded cows) breeding length influenced not only transmission of their genes but also that of genes derived from all other selected animals. Irrespective of whether the discount rate was assumed to be 0 or 6%, longer term ( ${\geq}$ 20 years) expected total genetic improvement was maximized by a sire breeding length of five years. For shorter term assessment(10 years), genetic improvement was maximized by a sire breeding length of three years. There was a linear increase in the contribution of the sire to bulls pathway to the total genetic improvement, with increase in the term of assessment.

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  3. [국내논문]   USE OF COW FAECES AT DIFFERENT TIMES AFTER BEING VOIDED AS A SOURCE OF MICRO-ORGANISMS IN IN VITRO DIGESTIBILITY ASSAYS OF FORAGES  

    Akhter, S. (Department of General Animal Science, Bangladesh Agricultural University ) , Owen, E. (University of Reading, Department of Agriculture ) , Hossain, M.M. (Department of General Animal Science, Bangladesh Agricultural University)
    Asian-Australasian journal of animal sciences v.9 no.4 ,pp. 371 - 374 , 1996 , 1011-2367 ,

    초록

    Experiments were conducted to determine the effect of time intervals between collecting and use of cattle faeces as a source of micro-organisms in in vitro digestibility assays of forages. The results suggested that temperature conservation capacity by faeces depended on the size of the sample. There was no significant difference(p>0.05) between the first (T1 or 08:30 h) and second using time (T2 or 10:30 h). In vitro organic matter digestibility was significantly lower when faeces was used 5 h (T3 or 13:30 h) after collection. However, the organic matter digestibility determined at the second using time (T2) and third using time (T3) were highly correlated ( $R^2=0.99$ ) with the first using time. It was concluded that faeces can be used as a source of microorganisms for in vitro digestibility assays of forages even 5 h after being voided.

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  4. [국내논문]   EFFLUENT FROM RUSITEC INOCULATED WITH RUMEN LIQUOR OR COW FAECES AS SOURCES OF MICRO-ORGANISMS FOR IN VITRO DIGESTION OF FORAGES  

    Akhter, S. (Department of General Animal Science, Bangladesh Agricultural University ) , Owen, E. (University of Reading, Department of Agriculture ) , Hossain, M.M. (Department of General Animal Science, Bangladesh Agricultural University)
    Asian-Australasian journal of animal sciences v.9 no.4 ,pp. 375 - 379 , 1996 , 1011-2367 ,

    초록

    The experiment investigated the possibility of using effluent from RUSITEC (rumen simulation technique) inoculated with rumen liquor or cow faeces as sources of micro-organisms for in vitro digestion of forages. Nine forages ${\times}3$ sources of inoculum were used in a factorial arrangement of treatments. Rumen liquor was collected from fistulated sheep and faeces was collected from cows. The RUSITEC apparatus consisted of 4 vessels, 2 vessels were charged with faecal liquor and 2 with rumen liquor. On the 8th day of the experiment RUSITEC effluent were collected to use in in vitro studies. In vitro OMD (g/kg) values using three sources of inoculum (fresh rumen liquor, RUSITEC effluent from rumen liquor or cow faeces) were statistically significant (p $R^2 0.90$ ). The results suggest that RUSITEC effluent either from rumen liquor or cow faeces can be used as a source of micro-organisms for in vitro digestion of forages.

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  5. [국내논문]   PERFORMANCE OF THE GOAT FED GRASS, SHRUB AND TREE FODDERS DURING THE DRY SEASON IN BALI, INDONESIA  

    Sukanten, I.W. (Department of Nutrition and Tropical Forage Science, Faculty of Animal Husbandry, Udayana University ) , Nitis, I.M. (Department of Nutrition and Tropical Forage Science, Faculty of Animal Husbandry, Udayana University ) , Uchida, S. (Department of Animal Science and Technology, Faculty of Agriculture, Okayama University ) , Putra, S. (Department of Nutrition and Tropical Forage Science, Faculty of Animal Husbandry, Udayana University ) , Lana, K. (Department of Nutrition and Tropical Forage Science, Faculty of Animal Husbandry, Udayana University)
    Asian-Australasian journal of animal sciences v.9 no.4 ,pp. 381 - 387 , 1996 , 1011-2367 ,

    초록

    An experiment was carried out for 12 weeks to study the feeding behaviour, growth and carcass characteristics of cross-bred goats. Nine bucks with an average live weight of $18.02{\pm}0.9kg$ were allocated in a completely randomized block design arrangement, consisting of three feeding regimes and three blocks. The feeding regimes consisted of 100% natural grass (Treatment A), 100% gliricidia leaf (Treatment B) and 100% ficus leaf (Treatment C). Frequency of turning-over and sniffing the feed and duration and frequency of ruminating, defaecating, and urination of goats in treatment B were longer, while duration of masticating and jaw movement of chewing one bolus was shorter than those of goats in treatments C and A (p

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  6. [국내논문]   FEEDLOT PERFORMANCE AND CARCASS CHARACTERISTICS OF LOCAL (DHOFARI) AND EXOTIC (CASHMERE) GOATS FED ON A HIGH-FIBER BY-PRODUCTS DIET SUPPLEMENTED WITH FISH SARDINE  

    El Hag, M.G. (Rumais Livestock Research Station ) , El Shargi, K.M. (Rumais Livestock Research Station, Ministry of Agriculture and Fisheries)
    Asian-Australasian journal of animal sciences v.9 no.4 ,pp. 389 - 396 , 1996 , 1011-2367 ,

    초록

    In the first of two experiments, liveweight gain responses and carcass characteristics were investigated using two breeds of growing male goats, local (Dhofari) and exotic (Cashmere), fed on a whole pelleted-high fiber date by-products' based diet at 32.5% level (As-fed) supplemented with 12% fish (sardine), (HF-Fish) and a commercial concentrate diet (conc.). The (HF-Fish) diet was formulated to be iso-nitrogenous to the (conc.) diet, supplying 14% CP (DM-basis). Both diets together with Rhodes grass hay (Chloris Guyana) were fed ad libitum. The experimental design was a complete random arranged in a $2{\times}2$ factorial with breeds and diets as the main factors, using six animals per treatment. The experiment lasted for 84 days and goats were penned individually. At the end of the feeding trial, three animals from each treatment group were slaughtered for carcass evaluation. In experiment 2, diets' digestibility and N-balance were determined using 3 sheep per diet. The (HF-Fish) diet significantly(p 0.05). Digestibility of the proximate components and N-balance for both diets were similar and not significantly different(p > 0.05). Fish supplementation greatly improved the digestibility of CF, ADF, NDF, cellulose and hemicellulose. Meat production ost was decreased by 31% due to feeding of the (HF-Fish) diet.

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  7. [국내논문]   INFLUENCE OF DRIED Sacillus subtilis AND LACTOBACILLI CULTURES ON INTESTINAL MICROFLORA AND PERFORMANCE IN BROILERS  

    Jin, L.Z. (Department of Animal Science, University Pertanian Malaysia ) , Ho, Y.W. (Department of Biology, Faculty of Science and Environmental Studies, University Pertanian Malaysia ) , Abdullah, N. (Department of Biochemistry and Microbiology University Pertanian Malaysia ) , Jalaudin, S. (Department of Animal Science, University Pertanian Malaysia)
    Asian-Australasian journal of animal sciences v.9 no.4 ,pp. 397 - 403 , 1996 , 1011-2367 ,

    초록

    Two hundred 10-day-lid, male Arbor Acres broiler chicks divided randomly into 4 groups of 50 chicks each were used. Different feeding treatment was carried out for each group. Chicks in treatment 1 were fed a basal diet(Starter feed)(control); treatment 2, a basal diet + 0.1% B. subtilis culture; treatment 3, a basal diet + 0.2% lactobacilli culture in the feed; and treatment 4, a basal diet + 5 g lactobacilli in the drinking water. The viable bacterial counts for each treatment were approximately $10^9cells/kg$ feed. The weight gain in chickens given feeds incorporated with B. subtilis and lactobacilli was significantly(p

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  8. [국내논문]   GENETICAL STUDIES ON NATIVE CHICKENS IN INDONESIA  

    Yamamoto, Y. (Faculty of Applied Biological Science, Hiroshima University ) , Namikawa, T. (Faculty of Agriculture, Nagoya University ) , Okada, I. (Faculty of Applied Biological Science, Hiroshima University ) , Nishibori, M. (Faculty of Applied Biological Science, Hiroshima University ) , Mansjoer, S.S. (Faculty of Animal Science, Bogor Agricultural University ) , Martojo, H. (Faculty of Animal Science, Bogor Agricultural University)
    Asian-Australasian journal of animal sciences v.9 no.4 ,pp. 405 - 410 , 1996 , 1011-2367 ,

    초록

    Phylogenetic analyses were carried out using four Indonesian native chicken breeds; Kampung, Bangkok, Pelung and Kedu. Gene frequencies of four blood group (A, B, D and E) and eight electrophoretic loci (akp, Akp-2, Es-1, Amy-1, Alb, Tf, Pas and Pa-1) were examined. Geographical and breed specific trends in the gene frequencies were not found in the local population of Kampung breed or in four native breeds. The values of average heterozygosity were estimated as 0.35-0.45. Genetic distances among the local populations of Kampung breed and other native breeds were comparatively small. In a cluster analysis, the Bangkok breed and Kampung E population showed distance from another cluster. The coefficient of gene differentiation for local populations of Kampung breed was estimated as 0.099.

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  9. [국내논문]   FODDER PRODUCTION AT SAVAR DAIRY FARM: AN ECONOMIC ANALYSIS  

    Rahman, S.M.A. (Bangladesh Livestock Research Institute ) , Begum, J. (Bangladesh Livestock Research Institute ) , Alam, J. (Bangladesh Livestock Research Institute)
    Asian-Australasian journal of animal sciences v.9 no.4 ,pp. 411 - 420 , 1996 , 1011-2367 ,

    초록

    Asia Triple HIn this study an attempt was made to determine the cost of producing fodders at Savar Dairy Farm (SDF). For this purpose, all seasonal fodders, such as Maize, Jowar, Cowpea and Oat and all perennial fodders, such as Para and Napier were studied. The highest acreage of land was allocated to high-land Para (33.8%) and the lowest acreage (2.7%) was devoted to Cowpea. Jowar attained the highest yield (74.2 tons) per hectare and Maize attained the lowest yield (25.8 tons/h). The highest cost per hectare was attributed to Jowar (TK. 20944.18) while the lowest cost was attributed to low-land para (TK. 10349.86). The cost of production of fodder per kilogram was the highest (TK. 0.66) for Maize and the lowest for Oat (TK. 0.24). The cost of production of low-land Para was much lower than that of high land Para. The per kilogram cost of silage production was the highest (TK. 0.71) for Maize and the lowest (TK. 0.31) was for Napier. The gross return analysis further showed that the highest net margin and B:C ratio were observed for Napier followed by Low-land Para, Jowar, Oat, Cowpea, High-land Para and Maize. Therefore, those fodders whose B:C ratios and yield/ha were higher should be allocated more area of land to stimulate increased returns to SDF in the future is suggested.

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  10. [국내논문]   EFFECT OF EXPERIMENTAL INFECll0N WITH STOMACH WORM (Haemonchus contortus) ON THE PRODUCTIVE PERFORMANCE OF DOES  

    Howlader, M.M.R. (Bangladesh Livestock Research Institute ) , Capitan, S.S. (Institute of Animal Science, U.P. at Los Banos, College Laguna ) , Eduardo, S.L. (College of Veterinary Medicine, U.P. at Los Banos, College Laguna ) , Sevilla, C.C. (Institute of Animal Science, U.P. at Los Banos, College Laguna ) , Roxas, N.P. (Institute of Animal Science, U.P. at Los Banos, College Laguna)
    Asian-Australasian journal of animal sciences v.9 no.4 ,pp. 421 - 426 , 1996 , 1011-2367 ,

    초록

    Comparison of body weight changes of does infected with Haemonchus contortus (treatment groups 2 &3) and uninfected does (control group) was made using weekly body weight measurements over 35 weeks. The animals in treatment group 2 weighted significantly (p

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