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12 ?rr6lr:ffnxuilyrrJd'1flq5 sJ$. tjii ro qfufi 1 uflt1nrt - tuu'tuu 2549
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tun'r :il o'r n'uT: n fi orl dli'ulul d rfi o
Use of Formic acid and Propionic acid in Preventing of
Ceacal Coccidiosis in Broilers
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Suttisak Nopwinyoowongl Somboon Saengmaneedetr SuthidaChanlunl
Pittaya Papiroml Kwankate Kanistanonl Prachak Puapermpoonsiril
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Fn6i'rFr[x: n:ovlai:Ln n:otr-J:iltoiin [Toilo Lmoutu[n 0util0t:u vltl{iln'l
xuy*orJr, formic acid, propionic acid, ceacal coccidiosis, Eimeria tenelta
nrn'rt'n4u1rtx'rvru'r oru;&oltt1rflilfl'r&qr: rJr4'r??ru'rdullouttriu o.tfio.r o.rlouLtiu 40002
Department of Pathobiology, Faculty of Veterinary Medicine, Khon Kaen University, Khon Kaen, 40002
nrnimn6rinlr nru;#qerrflvrugrsoi l.Luriruror-nouuriu o.tfior o.routtdil 40002
Department ol Physiology, Faculty of Veterinary Medicine, Khon Kaen University, Khon Kaen, 40002
KKU. Vel. J. Vol. 16 No. I JANUARY - APRIL 2006
Abstract ,
Four hundred one-day-old broilers at age one-day-old were set into 4 experimental
groups. Each group haC 2O replicates which each cage contained of 5 broilers. Group 1 and 2
were fed with normal feed and water added wilh O.2o/o formic and propionic acid. Group 3 and 4
were control groups which were give with normal feed and water. Broilers in group 2 and 3 were
orally inoculated with 4.0 X 1 Oa sporulated oocysts ol Eimeria tenella at 21 days old. All broilers
were sacrificed at 26 days old and lesion score of caecal were examined. The results showed
that caecal lesion scores of group 2 and 3 were 1 .77 + O.4g and 2.1 2 + 0.60, respectively, and
they are not statistically different (p>0.05). FCR was not significant differences in each group
(p>0.05), which ADG of group 1 and 2 were significant differences from group 3 and 4(p<0.05). This study indicated that adding formic and propionic acid into the drinking water did
not prevent or decrease a severity of caecal lesion and did not improve growth performance of
broilers infected with E. tenetta.
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T:nff e (coccidiosis; lu1ri rfl ui:erfi iff qqrn r6'ohJ:lqr"fi'rerond16u (coccidia) d.:nl' ,-s !- ^Ltfl:nrsQ'luauvlr [nn (Jordan and Pattison, 1 996) l:nfiiiolvirfiofllteJflilrAurr{re:uofiq
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ernt#eiuuff{qrnilourfi'o a {u Iornr:drairki'rurro un:taimr:nvnruIiluerfi'lfiuil'lqTn:ix.io 2.5,2oqvj A .u a, j1 Ya o a-o
rlsior'Lv{rfiorfiernr:u:-irqr-rrilu:rurGqeiofiorxranflrr.{o.lrflurlnr +8 d'rlrur qrnfu6rurtfro:-ter
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triudaoru 1 iu ernnwq a"ruru 400 ql-') nnrrri.roonrilu a neiruvrono.r 6l ni 20 s?')
X ud s * - iu,ariluJ t? [ilnT.]olj nT.:nr s st-r [oltffuroi'ruorut:vr Liluu'tgt'tullozuf,rJelf,ofln]:119d0.r [LnsLlilitridt -XLtJu 4 nnsJ o.Jl.{
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KKU. VeT. J. VoI, 16 No. I JANUARY - APRIL 2006
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KKU. VeT. J. VoI. 16 No. I JANUARY - APRIL 2006
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il'run ilrtlraqj. 2534. I:e}J:Ifl{t-run:3nrffo16rror#n{. I:.:firuvfiow'rn.:n:nirurarirrrflnr.J[?11t9. ZZI utirr
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rr:ar:#elrrurrueraoS mr. 1 3( 1 ): 1 -g.Conway, D.P and Mckenzie, M.E. 1991. Poultry Coccidiosis Diagnosis and Testing procedures.
2"d edition. Pfizer lnternation lnc. New york. 65 p.
Deskiran, M. and Teeter, R.G. 2001. Evaluation of acidifier (Luctacid@) efficacy on performance
carcass characteristics and serum chemistry of broilers under heat stress conditions.
Concurrent Avian Disease. a2(3): 579-584.Johnson, J.K. and Reid, W.M. 1970. Anticoccidial cirugs : iesion-scoring techniques in battery
and floor pen experiments with chickens. Exp. parasitol. 2g: 3O-36.Jordan, F.T.W. and Pattison, M. 1996. Poultry Diseases. 4th edition. W.B. Saunders. lowa.
546 p.
Long, P.L. 1990. Coccidiosis of Man and Domestic Animals. CRC Press. Boston. 365 p.
sAS. 1996. sAS system for Personal computers. SAS tnstitute lnc., cary NC.
World Health Organization. '1998. Use of quinolones in food animals and potential impact on
human health. http:,/,/www.who.intzemc. 1 4/OS/2OO3.
Wray, C. and Davies, R.H. 2000. Guest Editorial: Competitive exclusion-an alternative toantibiotics. Vet. J. 159: 107-108.
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