| O |
i chemical symbol oxygen |
|
ii somatic antigen |
| |
| O antigen |
bacterial cell wall antigen
(ohne Hauch) |
| |
| OA |
i olecranol apophysis |
|
ii Order of Australia |
|
iii osteoarthritis |
| |
| OACOM |
vincristine, L-asparaginase,
cyclophosphamide, methotrexate (protocol) |
| |
| OAF |
osteoclast activating factor |
| |
| OATA |
Ornamental Aquatic Trade
Association Ltd |
| |
| OAVT |
Ontario Association of
Veterinary Technicians |
| |
| OB |
obstetrics |
| |
| OBDT |
“open but don’t
touch” |
| |
| OBRA |
Oregan Biomedical Research
Association |
| |
| OC |
i occipital cortex |
|
ii organochlorine compounds |
| |
| OCD |
osteochondritis dissecans |
| |
| OCDH |
osteochondritis dissecans
of medial condyle of the humerus |
| |
| OCM |
ovum culture medium |
| |
| OCR |
optical character recognition |
| |
| O-cresol |
2-methylphenol (from coal
or wood tar) |
| |
| OCT |
ornithine carbamoyl transferase
(liver enzyme) |
| |
| OCTT |
orocaecal transit time |
| |
| OCVE |
Spanish Veterinary Association
Organizacion Colegial Veterinaria Espanola |
| |
| OD |
i optical density |
|
ii outer diameter |
|
iii overdose |
|
iv right eye (L.oculis
dexter) |
| |
| od |
once daily (L.omnidie) |
| |
| ODA |
Overseas Development Agency
|
| |
| ODE |
old-dog encephalitis |
| |
| OECD |
Organisation for Economic
Cooperation & Development |
| |
| OES |
Old English Sheepdog |
| |
| OEVI |
National Food Investigation
Institute (Hungary)
Országos Élelmiszervizsgáló Intézet |
| |
| O-F test |
oxidation-fermentation
test (bacteria/glucose) |
| |
| OFA |
i Orthopaedic Foundation
for Animals (USA) |
|
ii Orthopaedic Foundation
of America |
| |
| OFFA |
Orkney Fish Farmers Association |
| |
| OFN |
Oxygen Free Nitrogen |
| |
| OFT |
Office of Fair Trading |
| |
| OGM |
Ordinary General Meeting |
| |
| OGT |
Austrian Scientific Society
of Veterinarians Österreichische Gesellschaft der
Tierärzte |
| |
| OGYE |
oxytetracycline, glucose,
yeast extract (agar) |
| |
| OHCS |
hydroxycorticosteroids |
| |
| 25-OHD |
25-hydroxyvitamin D |
| |
| OHE |
ovariohysterectomy (medical
records) |
| |
| 17-OHP |
17-hydroxyprogesterone |
| |
| OID |
ovine interdigital dermatitis |
| |
| OIE |
International Office of
Epizootics
Office International des Epizooties |
| |
| OIK |
ovine infectious keratoconjunctivitis
(also OIKE) |
| |
| OJ(EC) |
Official Journal (of the
EC) |
| |
| OJVR |
Onderstepoort Journal of
Veterinary Research |
| |
| OL |
left eye (L.oculus laevus) |
| |
| O level |
Ordinary level (examination-replaced
by GCSE) |
| |
| OM |
organic matter |
| |
| OMAGOD |
ovine mouth and gum obscure
disease |
| |
| OMP |
ovotidine 5 monophosphate |
| |
| OMV |
Portuguese College of Veterinary
Surgeons
Ordem dos Médicos Veterinários |
| |
| ONC |
Office National de la Chasse
(France) |
| |
| ONH |
optic nerve hypoplasia |
| |
| ONPG test |
o-nitrophenyl-b-D-galactopyranoside
test |
| |
| OOH |
out of hours |
| |
| OP |
i organophosphate |
|
ii organophosphorous (compounds) |
| |
| O/P |
oropharyngeal |
| |
| o,p´- DDD |
1,1-dichloro-2-(o-chlorophenyl)-2-(p-chlorophenyl)ethane |
| |
| OPIN |
Organophosphorus Information
Network |
| |
| OR |
i observed ratio |
|
ii odds ratio |
|
iii operating room |
|
iiii osmotic resistance |
| |
| ORF |
open reading frame |
| |
| ORL |
odontoclastic resorptive
lesions |
| |
| ORPRC |
Oregan Regional Primate
Research Centre |
| |
| ORT |
i oral replacement therapy |
|
ii Ornithobacter rhinotrocheale
|
| |
| OS |
i left eye (L.oculis sinister) |
|
ii Orthopterists’
Society |
| |
| os |
i bone |
|
ii body orifice |
|
iii mouth |
| |
| OS strain |
obese strain of White Leghorn
chickens |
| |
| OSCC |
ocular squamous cell carcinoma |
| |
| OSCE |
objective structured clinical
exams |
| |
| OSERA |
Ohio Scientific Education
& Research Association |
| |
| OSPT |
one stage prothrombin time |
| |
| OSVE |
objective structured video
exams |
| |
| OT |
i old tuberculin |
|
ii operating theatre |
| |
| OTC |
i over the counter (products)
|
|
ii oxytetracycline |
| |
| OTMS |
Over Thirty Month Slaughter
Scheme (ref BSE) |
| |
| OU |
each eye (L.oculi uterque) |
| |
| OVMA |
i Ohio Veterinary Medical
Association |
|
ii Oklahoma Veterinary
Medical Association |
|
iii Ontario Veterinary
Medical Association |
| |
| OVS |
Official Veterinary Surgeon |
| |
| Oz |
ounce weight avoirdupois
|