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H : 소장처정보

T : 목차정보

Asian-Australasian journal of animal sciences 18건

  1. [국내논문]   UREA IN POULTRY NUTRITION - REVIEW -  

    Chowdhury, S.D. (Department of Poultry Science, Bangladesh Agricultural University ) , Roy, C.R. ((Livestock, Poultry and Fisheries), Youth Training Centre ) , Sarker, A.K. (Department of Chemistry, Bangladesh Agricultural University)
    Asian-Australasian journal of animal sciences v.9 no.3 ,pp. 241 - 245 , 1996 , 1011-2367 ,

    초록

    A chronological account of the prospect and problems of utilization of urea in poultry diets is presented. Urea has long been considered as toxic to poultry but recent research, although limited, has yielded controversial results. The main problem appears to be due to the fact that whether or not response to urea is dependent on environment (germ free versus conventional). Although caecum is found to be the major site of ammonia production from urea, the so called nutritional benefit derived by chicken fed urea is probably limited to its utilization for the synthesis of nonessential amino acids in the protein depleted chicken, but not in the protein adequate chicken. More research is needed to monitor production characteristics of birds fed urea and investigate its toxic effect, if any, in some greater detail before recommending this nonprotein nitrogenous substance for inclusion in the poultry diets.

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  2. [국내논문]   THE EFFECT OF MATURITY OF ITALIAN RYEGRASS (Lolium multiflorum, L) ON IN VITRO RUMEN DIGESTION AND GAS PRODUCTION  

    Fariani, Armina (Faculty of Agriculture, Shimane University ) , Warly, L. (Faculty of Agriculture, Shimane University ) , Ichinohe, T. (Faculty of Agriculture, Shimane University ) , Fujihara, T. (Faculty of Agriculture, Shimane University ) , Harumoto, T. (Faculty of Agriculture, Shimane University)
    Asian-Australasian journal of animal sciences v.9 no.3 ,pp. 247 - 254 , 1996 , 1011-2367 ,

    초록

    Three stages of growth of Italian ryegrass (pre-blooming, P-B; early-blooming, E-B; and late-blooming, L-B) were used to evaluate the effect of maturity on in vitro digestion of dry matter, fiber components and gas production. The rumen digestibility and gas production values were obtained by incubation of each sample in the rumen fluid of sheep for 12, 24, 36, 48 and 72 hr, respectively. The results showed that digestibility of dry matter (DM) significantly reduced (p

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  3. [국내논문]   INTRACEREBROVENTRICULARLY ADMINISTERED PHENYLALANINE AND TYROSINE: EFFECTS ON FEEDING BEHAVIOUR AND NOREPINEPHRINE CONCENTRATIONS OF SPECIFIC BRAIN SITES IN THE CHICKEN  

    Choi, Y.-H. (Laboratory of Animal Nutrition, School of Agriculture, Nagoya University ) , Furuse, M. (Laboratory of Animal Nutrition, School of Agriculture, Nagoya University ) , Okumura, J. (Laboratory of Animal Nutrition, School of Agriculture, Nagoya University ) , Shimoyama, Y. (College of Agriculture, Utsunomiya University ) , Sugahara, K. (College of Agriculture, Utsunomiya University ) , Denbow, D.M. (Department of Animal and Poultry Sciences, Virginia Polytechnic Institute and State University)
    Asian-Australasian journal of animal sciences v.9 no.3 ,pp. 255 - 259 , 1996 , 1011-2367 ,

    초록

    A study was carried out to investigate the action of central L-pheylalanine (Phe) and L-tyrosine (Tyr) on food intake of the chicken. In the first trial, Phe ( $200{\mu}g/10{\mu}l$ ) or saline was acutely administered into the right lateral ventricle (i.c.v.) of chickens (5 birds per each group). Birds (4 birds per each group) were administered with the i.c.v. Tyr ( $200{\mu}g/10{\mu}l$ ) or saline in the second trial. The brains of the birds were removed for catecholamine assy 30 min postadministration. Catecholamine concentrations were measured at specific sites of the brain (LH: lateral hypothalamus, PVN: paraventricular nucleus, and VMH: ventromedial hypothalamus). No significant effect of amino acids on the concentration of norepinephrine of brain sites investigated was detected. Food intake and rectal body temperature were also monitored for 6 h after central administrations of Phe, Tyr or saline (5 birds per each group). Both Phe and Tyr, up to $1mg/10{\mu}l$ , failed to modulate food intake or rectal body temperature.

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  4. [국내논문]   THE EFFECTS OF DIETARY PROTEIN LEVELS ON THE CARCASS COMPOSITION OF STARTER AND GROWER BROILERS  

    Kassim, H. (Department of Animal Sciences, Universiti Pertanian Malaysia ) , Suwanpradit, S. (Department of Animal Sciences, Universiti Pertanian Malaysia)
    Asian-Australasian journal of animal sciences v.9 no.3 ,pp. 261 - 266 , 1996 , 1011-2367 ,

    초록

    Carcass analysis of most economical parts of broilers were studied after they were fed with different protein levels of 16, 18, 20 and 23% for the starter period and 16, 18 and 20% for the grower period. The energy value of the feed was constant at 3,200 kcal ME/kg. The results for the starter and grower broilers showed similar pattern of responses. There were significant increased in weight gain, feed intake, protein intake, while there were significant decrease in the feed conversion ratio (FCR), abdominal fat and carcass fat when dietary protein increased. For the economical parts of the carcass, most of the fats were found in the thigh meat, while the lowest was found in the breast meat. The protein levels did not influence the meat production of the breast, drumstick and thigh portion. Increasing the protein intake, increased the broiler performance in relation to increased protein content of the breast, drumstick and thigh meat. The different fat contents of the meat might be due to differences in the rate of lipogenesis and fat deposition of the meat.

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  5. [국내논문]   EFFECTS OF ALTERNATING 6-HOUR LIGHT/DARK CYCLES ON THE RUMINATING BEHAVIOR OF FASTED GOATS  

    Oshiro, S. (College of Agriculture, University of the Ryukyus ) , Nakamae, H. (College of Agriculture, University of the Ryukyus ) , Furuta, K. (College of Agriculture, University of the Ryukyus ) , Hirakawa, M. (College of Agriculture, University of the Ryukyus ) , Higoshi, H. (College of Agriculture, University of the Ryukyus)
    Asian-Australasian journal of animal sciences v.9 no.3 ,pp. 267 - 270 , 1996 , 1011-2367 ,

    초록

    Experiments were conducted to study the effects of a dark (06:00-12:00), light (12:00-18:00), dark (18:00-24:00), and light (00:00-06:00) cycle on the ruminating behavior of five fasting female goats. Rumination time and number of boli were not different in the dark and light periods of the fed state or in the second and third days of fasting. Ruminating time and number of boli increased in the dark (06:00-12:00) period compared to the light (12:00-18:00) period during the first day of fasting. Ruminating time was higher after the first day of fasting than the fed state, and decreased substantially after the first day of fasting than the fed state, and decreased substantially after the second and third days of fasting compared to the fed state or the first day of fasting. Number of boli/day was not different among the fed state, the second and third days of fasting but was higher after the first day fasting compared to the fed state.

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  6. [국내논문]   EFFECT OF FLOCK SIZE ON THE PERFORMANCE OF GOATS FED GLIRICIDIA-SUPPLEMENTED DIET IN DRYLAND FARMING 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, Okayarna 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.3 ,pp. 271 - 279 , 1996 , 1011-2367 ,

    초록

    On-farm experiments were carried out in dryland farming in Bali for 48 weeks to study the effect of flock size on the growth and carcass characteristics of cross-bred goat fed gliricidia-supplemented diet. Eighty four bucks with average live weight of 15.87 kg were allocated in a completely randomized block design arrangement, consisted of three treatments and four blocks. The treatments were $3goats/2.7m^2$ (A), $6goats/5.4m^2$ (B) and $12goats/10.8m^2$ (C), while the floor density was the same ( $0.9m^2$ per goat). Feed consumed by goat B was similar (p > 0.10), while feed consumed by goat C was lower (p 0.10) with goat A. Goat B has heavier (p 0.05) by the flock sizes.

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  7. [국내논문]   ON FARM DEMONSTRATION OF VARIOUS STORAGE METHODS FOR UREA TREATED WHEAT STRAW  

    Khan, A.G. (Animal Nutrition Program, National Agricultural Research Centre ) , Ullah, W. (Buner Development Project ) , Azim, A. (Animal Nutrition Program, National Agricultural Research Centre ) , Ali, A. (Buner Development Project)
    Asian-Australasian journal of animal sciences v.9 no.3 ,pp. 281 - 285 , 1996 , 1011-2367 ,

    초록

    On farm demonstration of urea treatment (5 kg urea dissolved in 60 litre water/100kg) of straw was performed at 6 different sites and treated straw was stored by three different methods i.e., plastic covered, mud plastered and existing farmers technique (mud plastered on the top and open from sides) to determine the best storage method in field. Untreated and treated samples were taken after 5 week storage period and subjected to crude protein, crude fibre and cell wall constituents analysis. In situ dry matter digestibility of straw was measured by nylon bag technique in buffalo bulls. Crude protein content increased by 100 to 153 percent in treated straw stored by different methods. Maximum increase in crude protein of treated straw was noticed in mud plastered method. Urea treatment of straw resulted in significant decrease in crude fibre contents in all the storage methods. Treatment of straw enhanced the in situ digestibility by 25-49 percent and maximum digestibility (53%) was found in mud plastered storage method. It was concluded that the mud plastered storage method for urea treated straw was found to be the best at farm level.

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  8. [국내논문]   EFFECTS OF THE SUPPLEMENTAL LEVEL OF PROTECTED LYSINE ON PERFORMANCES OF HOLSTEIN DAIRY COWS  

    Han, In K. (Department of Animal Science and Technology, College of Agriculture and Life Sciences, Seoul National University ) , Choi, Y.J. (Department of Animal Science and Technology, College of Agriculture and Life Sciences, Seoul National University ) , Ha, J.K. (Department of Animal Science and Technology, College of Agriculture and Life Sciences, Seoul National University ) , Ko, Y.G. (Department of Animal Science and Technology, College of Agriculture and Life Sciences, Seoul National University ) , Lee, H.S. (Department of Animal Science and Technology, College of Agriculture and Life Sciences, Seoul National University ) , Lee, S.S. (Department of Animal Science and Technology, College of Agriculture and Life Sciences, Seoul National University)
    Asian-Australasian journal of animal sciences v.9 no.3 ,pp. 287 - 294 , 1996 , 1011-2367 ,

    초록

    The objective of this study was to investigate the optimum level of the rumen protected lysine (RPLys) for early lactating Holstein dairy cow. This experiment was carried out with 16 Holstein dairy cows for 106 days and consisted of 4 treatments : $T_1$ (RPLys 0%), $T_2$ (RPLys 0.1%), $T_3$ (RPLys 0.2%) and $T_4$ (RPLys 0.3%). The results obtained are summarized as follows : 1. The daily intakes of feed were similar among treatments, but the digestibility of crude protein tended to increase 0.5-5.0% with increased level of RPLys and also the crude fiber digestibility increased (p $T_1$ was 253 g, which was lower than any other treatments (p $T_3$ . Also, the body condition score was changed from 3.22 at initial to 3.45 at final. The lowest increase in body condition score as 0.09 was obtained in control and the highest as 0.60 in $T_3$ (p $T_2$ , $T_3$ and $T_4$ were higher than $T_1$ , as well as total protein, total fat and total solid yield. Especially in $T_4$ treatment group milk yield was higher than other treatments. The content of fat was higher in $T_2$ and $T_4$ compared to other treatments. Other components of milk were not significantly different (p > 0.05). The persistencies of lactation were increased in all RPLys treatments, especially, rate of reduction in milk yield was lowest in $T_4$ (p

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  9. [국내논문]   THE EFFECTS OF WEANING AGE, QUANTITIES OF MILK AND CALF STARTER CONSUMED ON THE PERFORMANCE OF SAHIWAL CALVES  

    Chattha, A.I. (Department of Animal Nutrition, University of Agriculture ) , Sarwar, M. (Department of Animal Nutrition, University of Agriculture ) , Abbas, W. (Department of Animal Nutrition, University of Agriculture ) , Ali, C.S. (Department of Physiology and Pharmacology, University of Agriculture)
    Asian-Australasian journal of animal sciences v.9 no.3 ,pp. 295 - 298 , 1996 , 1011-2367 ,

    초록

    An experiment was planned to investigate the effect of early weaned calves on their growth performance. Twelve newly born Sahiwal male calves were employed for this study. These calves were divided into four groups (A, B, C, D); three animals in each group. Calves weaned at 13 weeks (A), a traditional method of calf rearing in Pakistan, received whole milk throughout the experimental period of 90 days while calves weaned at 8 (B), 6 (C) and 4 (D) weeks received the starter ration to compensate the reduced milk allowance. Weight gain of calves of all groups remained unaffected statistically. However, the average daily body weight gains of calves weaned at 6 (300 grams) and 8 (377 grams) weeks of age were similar to those weaned at 13 (368 grams) weeks of age. The results of this study suggest that calf weaning could successfully be obtained at 6 weeks of age with the abundant provision of palatable and nutritious starter ration.

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  10. [국내논문]   STUDIES ON THE EARLY PREGNANCY DETERMINATION IN COWS BY USING THE ENZYME-IMMUNOASSY AND RADIO-IMMUNOASSAY IN MILK  

    Lee, J.M. (National Livestock Research Institute, RDA ) , Kim, H.S. (National Livestock Research Institute, RDA ) , Jeong, S.G. (National Livestock Research Institute, RDA ) , Jung, J.K. (National Livestock Research Institute, RDA)
    Asian-Australasian journal of animal sciences v.9 no.3 ,pp. 299 - 302 , 1996 , 1011-2367 ,

    초록

    Milk samples(n = 78) were taken 19d, 20d, 21d, 22d after artificial insemination(AI) for early pregnancy diagnosis by using the Enzyme immunoassay(EIA) kit. The progesterone ( $P_4$ ) concentration in the whole milk was measured on the same day of pregnancy diagnosis. Rectal palpation(RP) was accomplished between 60d and 70d after AI to estimate the ovary condition and pregnancy status. Milk progesterone concentrations measured by Radio-immunoassay(RIA) method, in the pregnant cows at 17d, 19d, 21d after insemination were $17.10{\pm}0.91$ , $17.60{\pm}0.46$ , and $18.43{\pm}0.79nmol/l$ , whereas those in the not-pregnant cows were $6.57{\pm}1.03$ , $2.63{\pm}0.29$ , and $0.67{\pm}0.08nmol/l$ , respectively. When the progesterone concentration was less than 7 nmol/l, the color of the EIA kit was lighter and when the progesterone concentration was ${\geq}16nmol/l$ , the color of the EIA kit was darker compared to the standard color. The detection rates of error by judging the color differences were 5.1% and 20.7%, respectively. In the early pregnancy diagnosis by the EIA kit and RIA method, the accuracy rates in the pregnancy of cows were 82% and 87%, and those in not-pregnant cows were 86% and 91%, respectively. For ovarian status estimated by the RIA method and certified by RP, the accuracy rates of the ovarian atrophy, follicular cyst and luteal cyst were 80, 91 and 83% and the progesterone concentrations were 2.51, 2.03, and 26.7 nmol/l, respectively.

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