FORM 4 [ ] Check this box if no longersubject to Section 16. Form 4 or Form5 obligations may continue.See Instruction 1(b). UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940 OMB APPROVAL OMB Number: 3235-0287 Expires: January 31, ~~2005Estimated~~2005 Estimated average burdenhours per response. . . ~~. .~~ 0.5

1.UNITED ~~Name~~STATES SECURITIES ~~and~~AND ~~Address~~EXCHANGE ~~of Reporting Person* Hendy~~COMMISSION Washington, ~~Christopher~~DC (Last) (First) (Middle) 9468 Montgomery Road (Street) Cincinnati, OH 45242 (City) (State) (Zip) 2. Issuer Name and Ticker or Trading Symbol Synbiotics CorporationSBIO 3. I.R.S. Identification Number of Reporting Person, if an entity (voluntary) 4. Statement for Month/Day/Year 10/31/2002 5. If Amendment, Date of Original (Month/Day/Year) 6. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director X 10% Owner Officer (give title below) Other (specify below) Description 7. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person20549

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1. Title of Security (Instr. 3)

2.TransactionDate(Month/Day/Year)

2A. Deemed Execution Date, if any(Month/Day/Year)

3. Transaction Code (Instr. 8)

4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4, and 5)

5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)

6. Owner- ship Form: Direct (D) or Indirect (I) (Instr. 4)

7. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

Amount

A/D

Price

FORM 4

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conver- sion or Exercise Price of Deri- vative Security

3. Transaction Date(Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr.8)

5. Number of Derivative Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)

6. Date Exercisable(DE) and Expiration Date(ED) (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr.5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr.4)

10. Owner-shipForm ofDeriv-ativeSecurities:Direct (D)orIndirect (I)(Instr.4)

11. Nature of Indirect Beneficial Ownership (Instr.4)

Code

Title

Amount or Number of Shares

Series B Convertible Preferred Stock

10/31/2002

21,796,668

Common Stock

21,796,668(1)

$(1)

Series C Convertible Preferred Stock

$(1)

10/31/2002

21,796,668

(1)

Common Stock

21,796,668(1)

$(1)

21,796,668(1)

(1)

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

~~(1)~~Filed Onpursuant ~~October~~to ~~31,~~Section ~~2002,~~16(a) ~~Redwood West Coast, LLC exchanged 2,800 shares~~ of ~~Series B Convertible Preferred Stock of Synbiotics Corporation for 2,800 shares of Series C Convertible Preferred Stock of Synbiotics Corporation. Redwood West Coast, LLC is~~ the ~~beneficial~~Securities ~~owner~~Exchange ofAct ~~2,800 shares~~ of ~~Series C Convertible Preferred Stock of Synbiotics Corporation. Mr. Hendy is a 20.0382% owner of Redwood West Coast~~1934, Section ~~LLC - owning 12.9017% individually and 7.1365% through Redwood Holdings, Inc.~~ 17(~~Mr. Hendy is~~ a ~~24.9% beneficial owner under an ESOP which owns 100% of Redwood Holdings, Inc.~~). ~~In addition, Mr. Hendy serves on the Management Committee~~ of ~~Redwood West Coast, LLC, which has sole voting and dispositive power with respect to~~ the ~~shares.~~Public ~~The~~Utility ~~shares~~Holding ~~are~~Company ~~convertible~~Act ~~into shares~~ of ~~common~~1935 or ~~stock~~Section ~~at any time into such number of shares of common stock by dividing each share of Series C Convertible Preferred Stock, valued at $1,000, by the conversion price - initially set at $0.1286~~ 30(~~these conversion features are identical to that of the Series B Convertible Preferred Stock~~h). ~~Mr. Hendy disclaims beneficial ownership~~ of the ~~shares~~Investment ~~reflected~~Company ~~above,~~Act ~~except to the extent~~ of ~~his direct and indirect pecuniary interest in Redwood West Coast, LLC.~~1940

~~By:~~þ ~~/s/~~Check ~~Christopher~~this P.box ~~Hendy~~if ~~12/3/2002~~no **longer ~~Signature~~subject ofto ~~Reporting~~Section ~~Person Date SEC 1474 (9-02) Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly~~16. *Form ~~If the form is filed by more than one reporting person, see Instruction~~ 4~~(b)(v).~~ ** Intentional misstatements or ~~omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). Note: File three copies of this~~ Form, ~~one~~5 ofobligations ~~which~~may ~~must be manually signed~~continue. IfSee ~~space is insufficient, see~~ Instruction ~~6 for procedure. Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.~~1(b)

Name and Address of Reporting
Person* (Last, First, Middle)

Issuer Name and Ticker or
Trading Symbol

I.R.S. Identification Number of Reporting
Person, if an entity (Voluntary)

Hendy, Christopher P.

Hemagen Diagnostics, Inc. (HMGN)

9468 Montgomery Road

Statement for (Month/Day/Year)

If Amendment, Date of Original (Month/Day/Year)

April 2003

(Street)

Relationship of Reporting Person(s) to Issuer (Check All Applicable)

Individual or Joint/Group Filing
(Check Applicable Line)

Cincinnati, Ohio 45242

(City) (State) (Zip)

Director

10% Owner

Form filed by One Reporting Person

Officer (give title below)

Form filed by More than One Reporting Person

Other (specify below)

Reminder:		Report on a separate line for each class of securities beneficially owned directly or indirectly.

*		If the form is filed by more than one reporting person, see instruction 4(b)(v).

Table I — Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

Title of Security
(Instr. 3)

Transaction Date
(Month/Day/Year)

2a.

Deemed Execution
Date, if any.
(Month/Day/Year)

Transaction Code
(Instr. 8)

Securities Acquired (A)
or Disposed of (D)
(Instr. 3, 4 and 5)

Amount of Securities
Beneficially Owned
Following Reported
Transactions(s)
(Instr. 3 and 4)

Ownership
Form:
Direct (D) or
Indirect (I)
(Instr. 4)

Nature of
Indirect
Beneficial
Ownership
(Instr. 4)

Code

Amount

(A)
or
(D)

Price

Common Stock

11/22/02

10,000

$.20

40,365

Common Stock

11/27/02

40,365

$.20

Common Stock

1/29/03

30,000

$.31

151,725

I (1)

Common Stock

4/7/03

151,725

I (1)

Page 2

Table II — Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

Title of Derivative
Security
(Instr. 3)

Conversion or Exercise
Price of Derivative
Security

Transaction
Date
(Month/Day/Year)

3a.

Deemed Execution
Date, if any
(Month/Day/Year)

Transaction
Code
(Instr. 8)

Number of Derivative Securities
Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)

Code

(A)

(D)

Option

$1.36

4/7/03

866,007

Page 3

Table II — Derivative Securities Acquired, Disposed of, or Beneficially Owned — Continued
(e.g., puts, calls, warrants, options, convertible securities)

Date Exercisable and
Expiration Date
(Month/Day/Year)

Title and Amount
of Underlying Securities
(Instr. 3 and 4)

Price of Derivative
Security
(Instr. 5)

Number of Derivative
Securities Beneficially Owned
Following Reported Transaction(s)
(Instr. 4)

10.

Ownership Form of
Derivative Security:
Direct (D) or Indirect (I)
(Instr. 4)

11.

Nature of
Indirect
Beneficial
Ownership
(Instr. 4)

Date
Exercisable

Expiration
Date

Title

Amount or
Number of
Shares

Immediately

9/30/09

Common Stock

866,007

---

I (1)

Explanation of Responses:

(1) Mr. Hendy is a 24.9% owner of an ESOP that owns 100% of Redwood Holdings, Inc., the beneficial owner of these securities. After the sales on April 7, 2003, neither Redwood Holdings, Inc. nor Mr. Hendy have any remaining ownership in Hemagen Diagnostics, Inc.

/s/ Christopher P. Hendy by Timothy E. Hoberg Attorney-in-fact		4/9/03
**Signature of Reporting Person		Date

**		Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note:		File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Page 4

Filing Compare · HENDY CHRISTOPHER P