2,443 research outputs found
Profil Kesehatan Sapi Indukan Belgian Blue di Indonesia terhadap Penyakit Hewan Menular
Peningkatan efisiensi reproduksi dan genetik ternak melalui pengembangan sapi Belgian Blue (BB) melalui transfer embrio (TE) dan inseminasi buatan (IB) telah dilakukan di Indonesia sejak tahun 2017. Untuk menghasilkan anak sapi BB yang sehat diperlukan indukan sapi yang sehat dan bebas terhadap penyakit hewan menular. Tujuan penelitian ini adalah melakukan pengujian penyakit menular brucellosis, leptospirosis, campylobacteriosis, paratuberculosis, septicemic epizootica (SE), bovine viral diare (BVD), infectious bovine rhinothraceitis (IBR), enzootic bovine leucosis (EBL), trichomoniasis, anaplasmosis, babesiosis, theleriasis, surra dan parasit cacing (strongyle, parampistomum, cestoda, fasciola) sapi calon indukan BB di pusat pengembangan sapi BB di Indonesia. Sebanyak 291 indukan sapi dikoleksi sampel serum, darah, swab vagina dan feses diuji di laboratorium BBLitvet. Hasil pengujian terhadap 291 sampel yang dikoleksi menunjukkan tidak terdeteksi brucellosis, EBL, trichomoniasis dan surra, namun terdeteksi antibodi terhadap IBR 40,89% (119/291), BVD 70,79% (206/291), SE 56,36% (164/291), leptospirosis 41,24% (120/291) dan paratuberculosis 0,69% (2/291). Pengujian terhadap parasit darah terdeteksi anaplasmosis 41,92% (122/291), babesiosis 28,18% (82/291) dan theleriasis 30,24% (88/291)
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Measurement of Î (1520) production in pp collisions at âs=7TeV and pâPb collisions at âsNN=5.02TeV
The production of the Î (1520) baryonic resonance has been measured at midrapidity in inelastic pp collisions at s=7TeV and in pâPb collisions at sNN=5.02TeV for non-single diffractive events and in multiplicity classes. The resonance is reconstructed through its hadronic decay channel Î (1520) â pK - and the charge conjugate with the ALICE detector. The integrated yields and mean transverse momenta are calculated from the measured transverse momentum distributions in pp and pâPb collisions. The mean transverse momenta follow mass ordering as previously observed for other hyperons in the same collision systems. A Blast-Wave function constrained by other light hadrons (Ï, K, KS0, p, Î) describes the shape of the Î (1520) transverse momentum distribution up to 3.5GeV/c in pâPb collisions. In the framework of this model, this observation suggests that the Î (1520) resonance participates in the same collective radial flow as other light hadrons. The ratio of the yield of Î (1520) to the yield of the ground state particle Î remains constant as a function of charged-particle multiplicity, suggesting that there is no net effect of the hadronic phase in pâPb collisions on the Î (1520) yield
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Inclusive J/Ï production at mid-rapidity in pp collisions at âs = 5.02 TeV
Inclusive J/Ï production is studied in minimum-bias proton-proton collisions at a centre-of-mass energy of s = 5.02 TeV by ALICE at the CERN LHC. The measurement is performed at mid-rapidity (|y| < 0.9) in the dielectron decay channel down to zero transverse momentum pT, using a data sample corresponding to an integrated luminosity of Lint = 19.4 ± 0.4 nbâ1. The measured pT-integrated inclusive J/Ï production cross sec- tion is dÏ/dy = 5.64 ± 0.22(stat.) ± 0.33(syst.) ± 0.12(lumi.) ÎŒb. The pT-differential cross section d2Ï/dpTdy is measured in the pT range 0â10 GeV/c and compared with state-of- the-art QCD calculations. The J/Ï ăpTă and ăpT2ă are extracted and compared with results obtained at other collision energies. [Figure not available: see fulltext.]
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Measurement of electrons from heavy-flavour hadron decays as a function of multiplicity in p-Pb collisions at âsNN = 5.02 TeV
The multiplicity dependence of electron production from heavy-flavour hadron decays as a function of transverse momentum was measured in p-Pb collisions at sNN = 5.02 TeV using the ALICE detector at the LHC. The measurement was performed in the centre-of-mass rapidity interval â1.07 < ycms< 0.14 and transverse momentum interval 2 < pT< 16 GeV/c. The multiplicity dependence of the production of electrons from heavy-flavour hadron decays was studied by comparing the pT spectra measured for different multiplicity classes with those measured in pp collisions (QpPb) and in peripheral p-Pb collisions (Qcp). The QpPb results obtained are consistent with unity within uncertainties in the measured pT interval and event classes. This indicates that heavy-flavour decay electron production is consistent with binary scaling and independent of the geometry of the collision system. Additionally, the results suggest that cold nuclear matter effects are negligible within uncertainties, in the production of heavy-flavour decay electrons at midrapidity in p-Pb collisions. [Figure not available: see fulltext.
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Studies of J/Ï production at forward rapidity in PbâPb collisions at âsNN = 5.02 TeV
The inclusive J/Ï production in PbâPb collisions at the center-of-mass energy per nucleon pair sNN = 5.02 TeV, measured with the ALICE detector at the CERN LHC, is reported. The J/Ï meson is reconstructed via the dimuon decay channel at forward rapidity (2.5 < y < 4) down to zero transverse momentum. The suppression of the J/Ï yield in PbâPb collisions with respect to binary-scaled pp collisions is quantified by the nuclear modification factor (RAA). The RAA at sNN = 5.02 TeV is presented and compared with previous measurements at sNN = 2.76 TeV as a function of the centrality of the collision, and of the J/Ï transverse momentum and rapidity. The inclusive J/Ï RAA shows a suppression increasing toward higher transverse momentum, with a steeper dependence for central collisions. The modification of the J/Ï average transverse momentum and average squared transverse momentum is also studied. Comparisons with the results of models based on a transport equation and on statistical hadronization are carried out. [Figure not available: see fulltext.
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