SEGMENT AND SIGNIFICANT CUSTOMER INFORMATION

6 Months Ended

Jun. 30, 2011

Segment Reporting [Abstract]

Segment Reporting Disclosure [Text Block]

13.            SEGMENT AND SIGNIFICANT CUSTOMER INFORMATION

Pursuant to Codification Topic 280, Segment Reporting , we operate in one reportable business segment, that being the development, acquisition, manufacture and sale of products that improve the health and productivity of cows for the dairy and beef industries.  Almost all of our internally funded product development expenses are in support of such products.  Our primary customers for the majority of our product sales (84% and 74% for the three-month periods ended June 30, 2011 and 2010, respectively, and 83% and 82% for the six-month periods ended June 30, 2011 and 2010, respectively) are in the U.S. dairy and beef industries.  Product sales to international customers, who are also in the dairy and beef industries, aggregated 16% and 13% of our total product sales for the three-month periods ended June 30, 2011 and 2010, respectively, and 17% and 13% of our total product sales for the six-month periods ended June 30, 2011 and 2010, respectively.  Sales to significant distributors that amounted to 10% or more of total product sales are detailed in the following table:

	Three-Month Periods Ended June 30,		Six-Month Periods Ended June 30,
	2011	2010	2011	2010
Animal Health International, Inc. [ 1 ]	38%	37%	40%	36%
MWI Veterinary Supply Center	12%	12%	13%	12%
TCS Biosciences, Ltd.	*	13%	*	*

[ 1 ] Assumes that the June 2011 acquisition of Animal Health International by Lextron had occurred as of the beginning of

the periods being reported.

* Amount is less than 10%.

             Accounts receivable due from significant distributors that amounted to 10% or more of total trade accounts receivable are detailed in the following table:

	As of June 30, 2011	As of December 31, 2010
Animal Health International, Inc. [ 1 ]	41%	35%
Robert J. Matthews Company	15%	15%
MWI Veterinary Supply Company	*	12%
Stearns Veterinary Outlet, Inc.	*	10%

[ 1 ] Assumes that the June 2011 acquisition of Animal Health International by Lextron had occurred as of the dates being reported.

* Amount is less than 10%.