This .zip file contains graphic files (in .png format) of each chart and graph in the Economic Research Service report "Changes in Manure Management in the Hog Sector: 1998-2004" (EIB-50), published in March 2009. The content and context of these files is as of the publication 
date of the report. After time, the material may not reflect the current ERS program of work, may be outdated, and/or superseded, so please visit the website to obtain the latest information: www.ers.usda.gov.

Any reuse of these images should include attribution to "Economic Research Service/USDA."

The following inventory lists each of the files in this folder.



File name		Description

(fig01.png)		Figure 1 - Small hog operations declined in number and large ones grew between 1998 and 2004
(fig02.png)		Figure 2 - Large operations produced a greater share of output in 2004
(fig03.png)		Figure 3 - Changes in lagoon and pit manure systems, 1998 to 2004
(fig04.png)		Figure 4 - Manure application intensity increases with scale of production
(fig05.png)		Figure 5 - Manure removal from the largest operations increased between1998 and 2004
(fig06.png)		Figure 6 - Hog farms increased rate of manure nitrogen (N) testing from 1998 to 2004
(fig07.png)		Figure 7 - Application of commercial fertilizer with manure declined with size of farm and over time
(fig08.png)		Figure 8 - Larger farms are more likely to apply manure to Bermuda grass (2004)
(fig09.png)		Figure 9 - Use of microbial phytase in feed increased between 1998 and 2004
(fig10.png)		Figure 10 - Larger farms are more likely to follow a CNMP and receive EQIP payments (2004)
