Piglets suckling from sow Aumsama/ThinkstockPhotos

3-D images may help save more piglets

USDA ARS agricultural engineer and team of scientists from China, Iowa Select Farms and Iowa State University develop process to analyze images.

Nearly 15% of pre-weaned piglets die each year. According to U.S. pork producers, many are crushed by sows. Modifying the sows' stalls or crates may help reduce piglet deaths. The first step, according to Agricultural Research Service agricultural engineer Tami Brown-Brandl, is to evaluate sow and piglet behavior in their stalls. Animal behavior contains vital clues about health and well-being that producers can use to better manage their livestock.

Brown-Brandl and a team of scientists from China, Iowa Select Farms and Iowa State University developed a system to automatically process and analyze 3-D images of sows. A camera mounted over birthing crates captures images to determine a sow's behavior and posture: if she's eating, drinking, standing, sitting, or lying down.

The system, which accurately classifies behavior, could potentially help prevent sows from crushing their piglets, according to Brown-Brandl, who works at ARS's Roman L. Hruska U.S. Meat Animal Research Center in Clay Center, Nebraska.

This technology allows swine producers to better monitor their pigs and determine whether management adjustments, such as changes in crate size or pen arrangement, are needed, Brown-Brandl adds. The data could also help producers locate sick animals more quickly.

Read more about this study in the December issue of AgResearch.

Source: USDA ARS 

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