3. korišćenje fi taze u cilju povećanja iskoristivosti fi tinski vezanog fosfora i smanjenje korišćenja neorganskih izvora fosfora ima nutritivno, medicinsko, ekološko i ekonomsko opravdanje u ishrani brojlera. LITERATURA AHMAD, T., RASOOL, S., SARWAR, M., AHSAN-UL HAQ, ZIA-UL HASAN: Effect of microbial phytase produced from a fungus Aspergillus niger on bioavailability of phosphorus and calcium in broiler chickens. Animal Feed Science and Technology, 83, 2, 103–114 (2000). AKSAKAL, D.H., BILAL, T. (2002): Effects of microbial phytase and 1,25-dihidroxycholecalciferol on the absorption of minerals from broilers chicken diets containing different levels of calcium. Acta Vet. Hung., 50, 3, 307–313 (2002). AOYAGI, S., BAKER, D.H.: Effect of microbial phytase and 1,25-dihydroxycholecalciferol on dietary copper utilization in chicks. Poultry Science, 74 (1), 121–126 (1995). BIEHL, R.R., BAKER, D.H., DELUCA, H.F.: 1-a-hydroxylated cholecalciferol compounds act additively with microbial phytase to imrove phosphorus, zinc and manganese utilization in chicks fed. J. Nutr., 125, 2407–2416 (1995). CABAHUG, S., RAVINDRAN, V., SELLE, P.H., BRYDEN, W.L.: Response of broiler chickens to microbilal phytase supplementation as infl uenced by dietary phytic acid and non-phytate phosphorus content. I. Effects on bird performance and toe ash. Br. Poult. Sci., 40, 5, 660–6 (1999). DENBOW, D.M., RAVINDRAN, V., KORNEGAY, E.T., YI, Z., HULET, R.M.: Imroving phosphorus availability in soybean meal for broilers by supplemental phytase. Poult. Sci., 74, 11, 1831– 42 (1995). DENBOW, D.M., GRABAU, E.A., LACY, G.H., KORNEGAY, E.T., RUSSEL, D.R.: Soybeans transformed with a fungal phytase gene improve phosphorus availability for broilers. Poult. Sci., 77, 6, 878–881 (1998). EDENS, F.W., PARKHURST, C. R., HAVENSTEIN, G. B.: Allzyme phytase reduces phosphorus and nitogen excretion by caged broilers and by broilers in conventional housing. Biotechnology in the Feed Industry, Proceedings of Alltech’s 15th Annual Symposium, U.S.A., 491–509 (1999). EDWARDS, H.M.: Dietary 1,25-Dihidroxycholecalciferol supplementation increases natural phytate phosphorus utilization in chickens. Journal of nutrition, 123, 3, 567–<strong>57</strong>7, (1993). FERGUSON, N.S., GATES, R.S., TARABA, J.L., CANTOR, A.H., PESCATORE, A.J., STRAW, M.L., FORD, M.J., BURNHAM, D.J.: The effect of dietary protein and phosphorus on ammonia concentration and litter composition in broilers. Poult. Sci., 77, 8, 1085–93 (1998). HALL, L.E., SHIRLEY, R.B., BAKALLI, R.I., AGGREY S.E., PESTI, G.M., EDWARDS, H.M. JR.: Power of two methods for the estimation of bone ash of broilers. Poult. Sci., 82, 3, 414–8 (2003). HARMS, R.H., WALDROUP, R.L., SHIRLEY, R.L., AMMERMAN, C.B.: Availability of Phytic Acid Phosphorus for Chick. Poult. Sci., 41, 1189–1191 (1962). HARTER-DENNIS, J.: Phytase application variations in broiler diets and legislative update. Biotechnology in the Feed Industry. Proceedings of Alltech’s 16th Annual Simposium, Nottingham University Press, Nottingham, UK, 163–174 (2000). HARTER-DENNIS, J., TIMMONS, J., DRIVER, J.: Effect of application variation and side activities on the effi cacy of phytase in broiler diets. Science and Technology in the Feed Industry. Proceedings of Alltech’s 17th Annual Simposium, Nottingham University Press, Nottingham, UK, 242–253 (2001). 177
HUYGHEBAERT, G.: Effect of microbial phytases on phosphorus utilization. Procedings 11th European Symposium on Poultry Nutrition, Faaborg, Denmark, 24–28. august, 220–235 (1997). KORNEGAY, E.T., DENBOW, D.M., ZHANG, Z.: Phytase supplementation of corn-soybean meal broiler diets from tree to seven week of age. Poult. Sci., 76, Suppl. 1, 6 (1997). KORNEGAY, E.T.: Feeding to reduce nutrient excretion: Effects of phytase on phosphorus and other nutrients. Biotechnology in the Feed Industry, Proceedings of Alltech’s 15th Annual Symposium, U.S.A., Edited by T.P. Lyons and K.A. Jacques, 461–489 (1999). LEI, X.G., STAHL, C.H.: Biotechnological development of effective phytases for mineral nutrition and enviromental protection. Applied Microbiology and Biotechnology, © Springer-Verlag 2001, DOI 10.1007/s002530100795, 1–13 (2001). LEVIĆ, J., STOJANOVIĆ, S., ŠEVKOVIĆ, N.: Oplemenjivanje suncokretove sačme upotrebom enzima. VII Simpozijum tehnologije stočne hrane, Unapređenje tehnologije proizvodnje stočne hrane, 30.09.–04.10., Tara, 266–276 (1997). LEVIĆ, J., SREDANOVIĆ, S., ŠEVKOVIĆ, N., STOJANOVIĆ, S.: Fitaza u obrocima brojlerskih pilića. Nauka u živinarstvu, 3, 1– 2, 87–93 (1998). LIEBERT, F., WECKE, C., SCHÖNER, F.J.: Phytase activities in different gut contents of chickens as dependent on level of phosphorus and phytase suplementaion. Proceedings of the 1st Symposium–Enzymes in animal nutrition-Kartause Ittingen, Switzerland, Session 4, 202–5 (1993). LUKIĆ, M.: Uticaj fi taze u ishrani brojlera na proizvodne rezultate i zdravstveno stanje, Magistarska teza, Katedra za ishranu, Fakultet veterinarske medicine, Beograd, (2001). MIHALJEV Ž., PAVKOV S., ŽIVKOV M., MAŠIĆ Z.: Prikaz rezultata merenja uzoraka ribljeg brašna na prisustvo toksičnih elemenata. Veterinarski glasnik, 40, 7–8, 627–632 (1996). MIHALJEV Ž., SUĐI J., GRUBOR N., MAŠIĆ Z.: Kolorimetrijsko i elektrohemijsko određivanje sadržaja fl uora u mineralnim hranivima. Zbornik radova VII simpozijuma tehnologije stočne hrane, Tehnološki <strong>fakultet</strong> Novi Sad, Novi Sad, 2<strong>57</strong>–261 (1998). MIHALJEV Ž., ŽIVKOV-BALOŠ M., ĐILAS S.: Riblje brašno i fosfatna mineralna hraniva kao mogući izvor kontaminacije toksičnim elementima.Knjiga izvoda, 4 Jugoslovenski simpozijum Hemija i zaštita životne sredine sa međunarodnim učešćem, Zrenjanin, 23–26.septembar,Beograd, Srpsko hemijsko društvo, 190–2 (2001). MORAN, E.T.: Low phosphorus affects broiler caracase quality. Feed mix, Special issue on phosphates, 21–23 (1995). NELSON, T.S.: The utilization of phytate phosphorus by poultry– a review. Poult. Sci, 46, 862–71 (1967). NELSON, T.S., SHIEH, T.R., WOZDINSKI, R.J., WARE, J.H.: The availabilitiy of phytate phosphorus in soybeen meal before and after treatment with a mold phytase. Poult. Sci., 47, 1842–48 (1968). NELSON, T.S., SHIEH, T.R., WOZDINSKI, R.J., WARE, J.H.: Effect of supplemental phytase on the utilization of phytate phosphorus by chicks. J. Nutr. 101, 1289–1294 (1971). OATWAY, L., VASANTHAN, T., HELM, H.J.: Phytic acid. Food Reviews International, 17 (4), 419–431 (2001). PERNEY, K.M., CANTOR, A.H., STRAW, M.L., HERKELMAN, K.L.: The effect of dietry phytase on growth performance and phosphorus utilization of broiler chicks. Poult. Sci., 72, 2106– 14 (1993). QIAN, H., VEIT, H.P., KORNEGAY, E.T., RAVINDRAN, V., DENBOW, D.M.: Effects of suplemental phytase and phosphorus on histological and other tibial bone characteristics and performances of broilers fed semi-purifi ed diets. Poult. Sci., 75, 5, 618–626 (1996). 178
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savremena poljoprivreda CONTEMPORAR
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YU ISSN 0350-1205 Časopis za poljo
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UTVRĐIVANJE ISPLATIVOSTI INVESTICI
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tratnom smešom sa 16-17% proteina.
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ta i podaci pokazuju da su njegovi
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g/100 g) i laktoze (1.87±0.06 u od
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Tabela 3. Sastav mleka kod transgen
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LUKEFAHR S., HOHENBOKEN W.D., CHEEK
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tu zavisnost između outputa po jed
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veća zastupljenost stočarske proi
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MOGUĆE MERE AGRARNE POLITIKE Pre u
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PEJANOVIĆ, R., TICA, N., VLAHOVIĆ
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dustrije i koji je u celini nazvan
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Osnovna šema insineracione peći z
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The paper presents hazardous waste
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a dominantni folikul iz 3. talasa,
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Tabela 1. Broj živih, mrtvih i odg
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LITERATURA GERASIMOV, V., PRON, E.,
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liku otpornost na ove parazite (Pit
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li četvorostruka razređenja serum
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SEROPREVALENCE OF TOXOPLASMA GONDII
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posmatranjem određenih klaničnih
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Slika 2. Mikrofotografi ja poprečn
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Histohemijskim ispitivanjima, kod s
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Najveći deo troškova materijala
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troškove uzgoja kvalitet tovljenik
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udaljena 30 godina, ukažu na proiz
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Proizvodni pokazatelji u ovčarstvu
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Analize pokazuju da je učešće ž
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PRODUCTION INDICATORS OF ANIMAL HUS
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IZVORI PODATAKA I METODOLOGIJA RADA
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tranih godina uočene su statistič
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gnjećeg i junećeg mesa. Dobijanje
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LITERATURA BOŠNJAK DANICA, RODIĆ
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herodon i Oreochromis (Neotilapia)
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snoj masi do 30g. U suptropskim i t
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nosno ukupno 284 kg, prosečne koma
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ataka i karabataka i abdominalne ma
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Rod Clavibacter Davis et al. 1984 Z
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Rod Samsonia gen.nov. Samsonia eryt
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NEW CHANGES IN TAXONOMY AND NOMENCL
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MATERIJAL I METODA RADA Ispitivanja
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koji se ogleda u tome da jedinke vr
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Rezultati metode atraktivnih placeb
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UPUTSTVO AUTORIMA ZA PISANJE RADOVA
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INTRODUCTIONS TO AUTHORS ON WRITING