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$500,000 grant targets lack of air-quality data in swine production - Purdue

A Purdue University team led by Jiqin (JQ) Ni has received a $500,000 grant from the Foundation for Food & Agriculture Research to document air-quality issues surrounding pork production in partnership with the National Pork Board, according to a news article from Purdue University.

Particulate matter (PM) at high concentrations can affect the health of both workers and animals, as well as people living and working in neighboring areas. The US Environmental Protection Agency (EPA) classifies PM measuring less than 2.5 and 10 microns (much smaller than the width of a human hair) as the most hazardous. Although the problem is well known, the exact concentrations of such particulate matter within and outside of the swine barns at different times is poorly understood, said Ni, a professor of Agricultural and Biological Engineering.

“We don’t have enough data. One of the issues is the lack of appropriate measurement technology,” Ni said.

Collaborating with Ni on the project are Jae Hong Park, assistant professor in the School of Health Sciences in the College of Health and Human Sciences, and Brian Richert, associate professor of Animal Sciences in the College of Agriculture. Richert specializes in swine nutrition and management and will design the swine barn test environment to operate under a range of controlled conditions and particulate matter concentrations. Park, a certified industrial hygienist, focuses on aerosol science and technology.

“Anything in the air, that’s my target,” said Park, who develops both sensors and samplers. For this project, Park will develop a sensor station that consists of several air-quality sensors.

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Back On The Fields | Cutting Alfalfa Hay| Crop Talk

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We are cutting our second-cut alfalfa hay! Our machinery hasn't been repaired, but the weather is clear, so we take our opportunity to get back on the fields making hay. The alfalfa crop was ready to harvest, and any delays would result in poor quality feed for our sheep, so we decided to go ahead and get that mower rolling. We have a little crop talk about how we cut the hay with our John Deere hydrostatic mower, how we lay the hay out flat in rows to help it dry quicker, and how the two different plantings in that hay field have developed at varying rates and densities. We discuss the quality of the alfalfa hay and show how differing percentages of grasses mixed in with the alfalfa make a difference in the volume of the hay harvested. Hay is the primary feed source on our sheep farm. Getting it done just right is imperative for sheep farming, sheep health, and sheep care. Quality feed sets the stage for producing productive and profitable sheep and allows for feeding throughout the winter season when pasture grazing is no longer an option for those farmers raising sheep in cold climates such as Canada. While in the hay field, we also have a look at the adjacent corn crop and marvel at how well it has developed in such a short period of time.