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S i half (L.semis)
  ii siemans (electrical conductance)
  iii sight
  iv mark (L.signa)
  v left (L.sinister)
  vi stallion
  vii chemical symbol sulphur
  viii svedberg (sedimentation)
 
salmon smolt less than 1 year old & which goes to sea in autumn
 
S1 salmon smolt approx 1 year old & which goes to sea in spring
 
S1½ salmon smolt approx 18 months old & which goes to sea in autumn
 
S2 salmon smolt approx 2 years old & which goes to sea in spring
 
s second (time)
 
SA, S-A sinoatrial
 
SA i small animal
  ii Soil Association
  iii University of South Africa
 
SAA Swiss Association for Veterinary Assistants
Sektion Assistenztierärzte und Assistenztierärztinnen der GST
 
SAC Scottish Agricultural College
 
SACDSU Scottish Agricultural College Disease Surveillance Unit
 
SACVSD Scottish Agricultural College – Veterinary Science Division
 
SAD i seasonal affective discorder
  ii Street-Alabama-Dufferin strain (rabies vaccine)
 
SAE stamped addressed envelope
 
SAF i scrapie associated fibril
  ii Small Abattoir Federation
 
SAGE Statistical Analysis for Genetic Epidemiology (US)
 
SAHAT Spanish Association of Homotoxicology & Antihomotoxic Therapy
 
SAID simian acquired immune deficiency syndrome
 
SALT skin-associated lymphoid tissue
 
SAM S-adenosylmethionine
 
SAMS sow abortion & mortality syndrome
 
SAMW Scottish Association of Meat Wholesalers
 
SaO2 oxygen saturation
 
SAP i serum alkaline phosphatase
  ii systolic arterial pressure
 
SAPAM Small Animal Practitioners Association of Malaysia
 
SAPO Specified Animal Pathogens Order
 
SAR i slowly adapting (stretch) receptors
  ii sodium absorption ratio
  iii suspected adverse reaction
 
SARSS Suspected Adverse Reaction Surveillance Scheme (VMD)
 
SAS i salmonella antigen screening
  ii subvalvular aortic stenosis
 
SASAS South African Society of Animal Science
 
SASBLIA South African Stud Book & Livestock Improvement Association
 
S&T Salmon & Trout Association
 
SAT i serum agglutination test
  ii slide agglutination test
 
sat saturated
 
SAVA South African Veterinary Association
 
SAVAB-FL Small Animal Veterinary Association of Belgium-Flanders
 
SAVAB-Fr Small Animal Veterinary Association of Belgium-Francophone section
 
Sb chemical symbol antimony
 
SB Bachelor of Science (US) (L.Scientiae Baccalaureus)
 
SBA serum bile acid
 
SBE sporadic bovine encephalomyelitis
 
SBFB Belgian French-Speaking Association for Buiatrics
Société Belge Francophone de Buiatrie
 
SBM Specified Bovine Material
 
SBO Specified Bovine Offal
 
SBP systolic blood pressure
 
SBS sick building syndrome
 
SBT Staffordshire Bull Terrier
 
SC small colony
 
Sc chemical symbol scandium
 
sc subcutaneously
 
s.c. subcutaneous (medical records)
 
SCA i sickle-cell anaemia
  ii specific combining ability
 
SCAHAW Scientific Committee for Animal Health & Animal Welfare (UK)
 
SCAIMVS South Central Australia Institute of Medical & Veterinary Science
 
SCAN Scientific Committee on Animal Nutrition (UK)
 
Scand-LAS The Scandinavian Federation for Laboratory Animal Science
 
SCAR Standing Committee on Agricultural Research (UK)
 
SCAS Society for Companion Animal Studies (UK)
 
SCATAN Swedish Veterinary Nurses Association
 
SCAWS Scottish Centre for Animal Welfare Sciences
 
SCC i somatic cell count
  ii squamous cell carcinoma
 
SCCS self-contained-cleaning-system (ref abattoir)
 
ScD Doctor of Science
 
SCFA short chain fatty acid
 
SCID severely-combined immunodeficient
 
SCIENCE Stimulate the International Cooperation & Interchange needed by European Research Scientists
 
SCIVAC Italian Cultural Society of Veterinarians for Companion Animals
Societá Culturale Italiana Veterinari per Animali da Compagnia
 
SCMC sodium carboxymethylcellulose
 
SCOTVEC Scottish Vocational Education Council
 
SCP i single cell protein
  ii suckler cow premium
 
SCPK serum creatine kinase
 
Scr. scruple (apothecaries weight)
 
ScRNA small cytoplasmic RNA
 
SCT Sertoli cell tumour
 
SCTHSA Safe Commercial Transportation of Horses to Slaughter Act (USA)
 
SCUD septicaemic cutaneous ulcerative disease
 
SCVA Southern Counties Veterinary Association (BVA)
 
SCVMPH Scientific Committee on Veterinary Measures Relating to Public Health (of the EC)
 
SD i skin dose
  ii sorbital dehydrogenase
  iii standard deviation
  iv streptodornase
 
s.d. i mean
  ii standard deviation
 
SDA i Scottish Dairy Association
  ii Scottish Diploma in Agriculture
  iii sialodacryoadenitis
 
SDB Society for Developmental Biology
 
SDF i Danish Small Animal Veterinary Association
Smádyrspraktiserende Dyrlaegers Forening
  ii synchronous diaphragmatic flutter (“thumps”)
 
SDFT superficial digital flexor tendon
 
SDH sorbital dehydrogenase
 
SDP Standard Disinfection Procedures
 
SDRV Streptococcus & Diphtheria Reference Unit (UK)
 
SDS i simple descriptive scale
  ii sodium dodecylsulphate
  iii sudden death syndrome
 
SDS-PAGE sodium dodecylsulphate-polyacrylamide gel electrophoresis
 
SDT Society of Dairy Technology (UK)
 
SE i Scottish Executive
  ii spongiform encephalopathy
  iii standard error
  iv staphylococcal enterotoxins (SEA,SEB………SEE)
  v starch equivalent
 
Se chemical symbol selenium
 
se i standard error
  ii mean (value)
 
SEA i sheltie eye anomoly
  ii Single European Act
 
SEB Society for Experimental Biology
 
SEAC Spongiform Encephalopathy Advisory Committee (UK)
 
SEAP Scottish Environment Pollution Agency
 
SECAL Spanish Society of Laboratory Animal Science
Sociedad Española para las Ciencias de los Animales de Laboratorio
 
SECIVE Spanish Society of Veterinary Surgery
Sociedad Española de Cirugia Veterinaria
 
SEEA Spanish Society of Animal Experimentation
Sociedad Española de Experimentación Animal
 
SEF spectral edge frequency
 
SEH Sefton Equine Hospital (RVC)
 
SEHY Finnish Association for Veterinary Homeopathy
Suomen Eläinlääkäreiden Homeopatiayhdistys
 
SeKC seal kidney cells
 
SELL Finnish Veterinary Association
Suomen Eläinlääkäriliitto r.y. /Finlands Veterinärförbund r.f.
 
SEM i scanning electron microscope (or microscopy)
  ii seminoma
  iii standard error of the mean
 
SEMVA South East Midlands Veterinary Association (BVA)
 
SEMY Association of Finnish Veterinary Microbiologists
Suomen Eläinlääkärimikrobiologien yhdistys / Finlands Veterinärmikrobiologernas Fórening
 
SEO Seoul hantavirus
 
SEP Finnish Association of Veterinary Practitioners
Suomen Eläinlääkäripraktikot r.y
 
SEPA Scottish Enviroment Protection Agency
 
SEPLIS is replaced by CEPLIS
 
seq. the following (L.sequentes)
 
seq.luce the following day (L.sequenti luce)
 
SER smooth endoplastic reticulum
 
Ser serine
 
SERAD Scottish Executive Rural Affairs Department
 
SERPS State Earnings-Related Pension Scheme (UK)
 
SETAC Society of Environmental Toxicology & Chemistry
 
SETT Society for the Eradication of Tuberculosis Transmission
 
SEVS South Eastern Veterinary Society (BVA)
 
SF i spayed female
  ii synovial fluid
 
SFACET Scottish Farm & Countryside Educational Trust
 
SFB French Buiatric Society
Societe Francaise de Buiatrie
 
SFBR Southwest Foundation for Biomedical Research
 
SFC Society for Cryobiology
 
SFEC Specialisation & Further Education Committee (RCVS)
 
SFEROV French Society for Studies & Research in Veterinary Ophthalmology
Societe Francaise d’Etudes et de Recherche en Ophtalmologie Vétérinaire
 
SFHA Shetland Flock Health Association
 
SFTA Societe Francaise de Toxicologie Analytique
 
SFOV French Society of Veterinary Ophthalmology
Société Francaise d’Ophtalmologie Vétérinaire
 
SFPA Scottish Fisheries Protection Agency
 
SG/s.g. specific gravity
 
SGAG sulphated glycosaminoglycans
 
SGAM Steering Group on Analytical Methods
 
SGCI Swiss Society of the Pharmaceutical Industry
Schweizerische Gesellschaft für Chemische Industrie
 
SGM Society for General Microbiology
 
SGOT serum glutamic-oxaloacetic transaminase
 
SGPT serum glutamic-pyruvic transaminase
 
SGPV sheep & goat pox virus
 
SGRP Special Grants Research Program (MAFF)
 
SGS subacute grass sickness
 
SGV Society of Greyhound Veterinarians (BVA)
 
SH sulphydryl
 
SHBG sex hormone-binding globulin
 
SHD short haired domestic (non-pedigree cat)
 
SHEFC Scottish Higher Education Funding Council
 
SHF Stockholm Herpetological Association
 
SHK salmon head kidney (cell line)
 
SHMW PTNW Section History of Veterinary Medicine of the Polish Society of Veterinary Sciences
Sekcja Historii Medycyny Weterynaryjnej Polskiego Towarzystwa Nauk Weterynaryjnych
 
SHS swollen head syndrome
 
SHV 1 Suid herpesvirus 1
 
SI i safety index
  ii small intestine
  iii Statutory Instrument
  iv Systeme Internationale d’Unites (see SI units)
 
Si chemical symbol silicon
 
SI units Systeme Internationales d’Unites (French) but is SI in all languages; is a measurement system for all scientific & technical uses (Metric units)
 
SIADH syndrome of inappropriate secretion of antidiuretic hormone
 
SIAP steroid induced alkaline phosphate
 
SIB Italian Buiatrics Society
Società Italiana Buiatria
 
SIBO small intestinal bacterial overgrowth
 
SICB Society for Integrative & Comparative Biology
 
SID i single intradermal test for tuberculosis
  ii strong ion difference
 
sid once daily (L.semel in die)
 
SIDEV Italian Society of Veterinary Dermatology
Società Italiana of Dermatologia Veterinaria
 
SIDI Italian Association of Equine Practitioners
Società Italiana di Ippologia
 
SIET Italian Embryo Transfer Society
Società Italiana Embryo Transfer
 
SIFT Service Increment for Teaching
 
Sig., sig mark (signature)(L.signa)
 
SIM sulphide production, indole production & motility (medium)
 
SIMESC Italian Society of Canine Sports Medicine
Società Italiana di Medicina Sportiva del Cane
 
SIMV synchronised intermittent mandatory ventilation
 
SIMV&R French Union of the Veterinary Medicines Industry
Syndicat de L’Industrie du Médicament Vétérinaire et du Réactif
 
SINA Iberian Society of Animal Nutrition
Socieded iberica de Nutrición Animal
 
SINVet Italian Society of Veterinary Neurology
Societa Italiana di Neurologia Veterinaria
 
SIPA Italian Society of Avian Pathologists
Societa Italiana di Patologia Aviare
 
SIPAOC Italian Society of Sheep and Goat Pathology and Breeding
Società Italiana di Patologia ed Allevamento degli Ovini e dei Caprini
 
SIPAS Italian Society of Pig Pathology and Husbandry
Società Italiana di Patologia ed Allevamento dei Suini
 
SIPI Italian Society of Fish Pathology
Società Italiana di Patologia Ittica
 
SIPPS self-invested personal pension
 
SIR systemic inflammatory response
 
SIRM sterile insect release method
 
SIRS systemic inflammatory response syndrome
 
SIS small intestinal submucosa
 
SISPV Italian Society of Veterinary Public Health
Società Italiana di Sanità Pubblica Veterinaria
 
SISVET Italian Society of Veterinary Science
Società Italiana delle Scienze Veterinarie
 
SITOV Italian Society of Veterinary Traumatology and Orthopaeics
Società Italiana Traumatologia e Ortopedia Veterinaria
 
SIV i simian immunodeficiency virus
  ii swine influenza virus
 
SIVeLP Italian Union of Self-employed Veterinarians
Sindacato Italiano Veterinari Liberi Professionisti
 
SIVeMP Italian Union of Public Health Veterinarians
Sindacato Italiano Veterinari Medicina Pubblica
 
SIVTro Italian Society of Tropical Animal Health and Production for International Cooperation
Società Italiana di Veterinaria e Zootecnia Tropicale per la Cooperazione Internazionale
 
SJVF Danish Agriculture & Veterinary Research Council
Statens Jordbrugs – og Veterinarvidenskabelige Forskilingsgrad
 
SK streptokinase
 
SKMZA Greek Small Animal Veterinary Association – ATTICA
 
SkAVMLZ Slovak Small Animal Veterinary Association
Slovenská Asociácia Veterinárnych Lekárov Malych Zvierat
 
s.I. in a broad sense (L.sensu lato)
 
SLE systemic lupus erythmatosus
 
SLO Student Liaison Officer
 
SLS streptococcal lymphadenitis of swine
 
SLT shiga – like toxins
 
SM Master of Science (US) (L.Scientiae Magister)
 
Sm chemical symbol samarium
 
SMAF specific macrophage arming factor
 
SMB World Association for Buiatrics
Société Mondial de Buatrie
 
SMCA monochloracetate
 
SMBG self monitoring of blood glucose
 
SMCO S-methylcysteine sulfoxide
 
SMD i Scottish Metropolitan Division (BVA)
  ii senile molecular degeneration
 
SME Small & Medium-sized Enterprises
 
SMEDI group porcine enteroviruses (subgroups-AB&C) causing stillbirth mummification & high piglet mortality
 
SMI sphincter mechanism incompetence
 
SMM Society of Marine Mammologists
 
SMP Statutory Maternity Pay
 
SMR i standard metabolic rate
  ii standardised morbidity ratio
 
SMS stiff men syndrome
 
SMSV San Miguel sealion virus
 
SMZ sulphamezathine
 
SN i serum neutralisation
  ii Sin Nombre hantavirus
 
S/N signal to noise (ratio)
 
Sn i chemical symbol tin (L.stannum)
  ii sensitivity
 
s-n semi-nested
 
SND standardised normal deviation
 
SNF solids-not-fat (ref milk)
 
SNGTV French Society of Large Animal Veterinarians
Société Nationale des Groupements Techniques Vétérinaires
 
SNMV National Syndicate of Veterinary Surgeons (Portugal)
Sindicate Nacional dos Médicos Veterinários
 
SNNI striped snakehead cell line 1 (salmon)
 
SNOMED Standard Nomenclature of Medical Diseases and Operations
 
SNOVET Standard Nomenclature of Veterinary Diseases & Operations (see SNVDO)
 
SnRNA small nuclear ribonucleic acid
 
SnRNP small nuclear ribonucleic protein
 
SNT serum neutralising test
 
SNVB French Union of Biology Veterinarians
Syndicat National des Vétérinaires Biologistes
 
SNVDO Standard Nomenclature of Veterinary Diseases & Operations (see SNOVET)
 
SNVEL French Union of Self-Employed Veterinarians
Syndicat National Des Vétérinaires d’Exercice Libéral
 
SNVF National French Veterinary Syndicat
Syndicat National des Vétérinaires Français
 
SNVIMA Ministry of Agriculture State Veterinary Officers Trade Union (France)
Syndicat National des Vétérinaires Inspecteurs du Ministère de L’Agriculture
 
S/NVQ Scottish & National Vocational Qualification
 
SO i Scientific Officer
  ii synovial osteochondromatosis or osteochondrometaplasia
 
SOAEFD Scottish Office Agriculture, Environment & Fisheries Department
 
SOAFD Scottish Office Agriculture & Fisheries Department
 
SOAP subjective data, objective data, assessment plan (ref medical records)
 
SODOH Scottish Office Department of Health
 
SOIPA Italian Society of Parasitology
Società Italiana di Parassitologia
 
SOLAS Society for Laboratory Animal Science (Germany)
 
SOP i Society of Protozoologists
  ii standard operating procedure
 
s.o.s. if necessary (L.si opus sit) re prescriptions
 
SOT Society of Toxicology
 
SOVERGS Sociedade de Medicina Veterinaria do Rio Grande do Sul (Brazil)
 
SOVI Italian Society of Veterinary Ophthalmology
Società di Oftalmologia Veterinaria Italiana
 
SP special precautions
 
sp specificity
 
sp/spp species (singular/plural)
 
sp.gr. specific gravity
 
SPA i sheep pulmonary adenomatosis (Jaagsiekte)
  ii staphylococcal protein A
 
SPAC Standing Pharmaceutical Advisory Committee (UK)
 
SPANA Society for the Protection of Animals Abroad (UK)
 
SPAOPD summer pasture associated obstructive pulmonary disease
 
SPC Summary of Product Characteristics
 
SPCA i serum prothrombin conversion accelerator (clotting factor VII)
  ii Society for the Prevention of Cruelty to Animals (USA & Canada)
 
SPD salmon poisoning disease
 
SPECT single photon emission computed tomography
 
SPF specific pathogen free
 
SPGC Scottish Pharmaceutical General Council
 
SPIEM solid phase-immune EM
 
sp.nov new species (singular)(L.species nova)
 
spp. species (plural, used only after a generic name)
 
SPR Subject Programme Review
 
SPS sodium polyanethol sulphonate
 
SPSO Senior Principal Scientific Officer
 
SPV sheep pox virus
 
SPVO Senior Principal Veterinary Officer
 
SPVS Society of Practising Veterinary Surgeons (BVA)
 
SQ subcutaneous
 
SQA Scottish Qualifications Authority (see also QCA)
 
SQP Suitably Qualified Person (Register-ref AMTRA)
 
SQS Scottish Quality Salmon
 
SR i sedimentation rate
  ii Society of Radiographers
 
Sr chemical symbol strontium
 
SRC Science Research Council (UK)
 
SREV Romanian Society for Veterinary Epidemiology
Societatea Româná de Epidemiologie Veterinará
 
SRF Standard bred Retirement Foundation (US-re horses)
 
SRH somatotropin releasing hormone