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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 U4NeDnkST22vv7Ev8nJZj7jYzmHOIxNJVB3VsJj9+5tx1N4kiw41dE1h9Yxsph8e
 16rMuNPXfYB9aevf1whBjw==

<SEC-DOCUMENT>0001181431-03-007727.txt : 20030515
<SEC-HEADER>0001181431-03-007727.hdr.sgml : 20030515
<ACCEPTANCE-DATETIME>20030515144026
ACCESSION NUMBER:		0001181431-03-007727
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030512
FILED AS OF DATE:		20030515

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SYNBIOTICS CORP
		CENTRAL INDEX KEY:			0000719483
		STANDARD INDUSTRIAL CLASSIFICATION:	IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES [2835]
		IRS NUMBER:				953737816
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		11011 VIA FRONTERA
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92127
		BUSINESS PHONE:		6194513771

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LUTHER BRIAN KENT
		CENTRAL INDEX KEY:			0001232859

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-11303
		FILM NUMBER:		03703858

	BUSINESS ADDRESS:	
		STREET 1:		11011 VIA FRONTERA
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92127
		BUSINESS PHONE:		8584513771

	MAIL ADDRESS:	
		STREET 1:		11011 VIA FRONTERA
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92127
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>rrd8956.xml
<DESCRIPTION>FORM 3
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0101</schemaVersion>

<documentType>3</documentType>
<periodOfReport>2003-05-12</periodOfReport>
    <noSecuritiesOwned>1</noSecuritiesOwned>
<issuer><issuerCik>0000719483</issuerCik>
        <issuerName>SYNBIOTICS CORP</issuerName>
<issuerTradingSymbol>SBIO</issuerTradingSymbol></issuer>
<reportingOwner>
<reportingOwnerId>
<rptOwnerCik>0001232859</rptOwnerCik>
            <rptOwnerName>LUTHER BRIAN KENT</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
<reportingOwnerRelationship>
<isDirector>0</isDirector>
<isOfficer>1</isOfficer>
<isTenPercentOwner>0</isTenPercentOwner>
<isOther>0</isOther>
<officerTitle>Vice President</officerTitle>
<otherText></otherText></reportingOwnerRelationship></reportingOwner>
<ownerSignature>
<signatureName>B. Kent Luther, by Keith A. Butler his attorney-in-fact</signatureName>
<signatureDate>2003-05-15</signatureDate></ownerSignature></ownershipDocument>


</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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