Issue: 1095

College of Agriculture and Life Sciences Online
March 9, 2020

Top Stories

ISU Dedicates Poultry Teaching and Research Farm
The new Robert T. Hamilton Poultry Teaching and Research Farm south of Ames was dedicated on March 5. The facility includes dedicated spaces for teaching and research, and a welcome area where visitors can see first-hand examples of Iowa egg production systems and learn about Iowa egg production. The state-of-the art building allows ISU to continue to support one of the state’s top industries: Iowa is the number-one-egg-producing state in the nation and processes 70 percent of the eggs produced in state. The nearly $7 million facility was made possible solely through private funding. In the photo above, Susan Lamont, Curtiss Distinguished Professor in animal science, led a tour and is shown in front of the hatchery which is equipped with four incubators. Eggs of Iowa State’s genetics lines of chickens will be incubated and chicks hatched in this room. More

Iowa Still Leads Nation in Egg Production, but Some Challenges Remain
To help explain the importance of Iowa’s $1.33 billion egg industry, ISU Extension and Outreach has compiled a new report on the number of Iowa’s egg-producing farms, how much they produce and their economic impact. Economic Importance of the Iowa Egg Industry, a 12-page publication, highlights the continued expansion of the state’s egg industry, the continued demand for eggs and future opportunities and challenges. More

Gates Named Iowa Egg Council Endowed Professor
Richard Gates, director of the Egg Industry Center, has been named the Iowa Egg Council Endowed Professor. Gates was presented with the professorship at a March 5 medallion ceremony hosted by Dean Robison. More

ISU Provides Regular Updates on COVID-19
Iowa State University is monitoring the outbreak of COVID-19, a disease caused by the new coronavirus. At this time, there are no reported cases on Iowa State’s campus. ISU will provide regular updates and information related to COVID-19 online.


Tracing Food Commodities in Bulk
Charles Hurburgh, agricultural and biosystems engineering, and his team are setting better practices for effective bulk commodity traceability. Bulk food products are often blended and thought to be impossible to track through their supply chains. The research also is addressing regulations to prevent food safety hazards for grain products affecting humans and animals. More 

Research Published on Nutrient Composition of Common Bean
Rosemary Bulyaba, recent agronomy doctorate student, Donna Winham, food science and human nutrition, and Andrew Lenssen and Kenneth Moore, agronomy, are co-authors of “Genotype by Location Effects on Yield and Seed Nutrient Composition of Common Bean,” published March 3 in Agronomy. Common bean is an important staple food crop in households worldwide. The objective of this study was to determine the effect of location on yield and seed nutritional composition. More

Teaching and Students

AST Club’s Lawn Mower Service Days Set for Mar. 27-28
The Agriculture Systems Technology Club will hold its annual lawn mower service days March 27 (1 to 6 p.m.), and March 28 (8 a.m. to 1 p.m.), at Sukup Hall on the west side of campus. Routine service includes an oil change, a new spark plug, blade sharpening, air filter cleaning, deck cleaning and a power wash. Pricing is $35 for a push mower, $50 for a riding mower and $15 for a weed eater. Pickup and delivery (Ames only) is available for $15 and $20; call (515) 708-8672 or send an email request to by 2 p.m. on Mar. 26 to request this service.

In Memoriam: Jonathan Pickhinke
Jonathan Pickhinke, junior in agricultural studies, died in a motorcycle accident on March 4. He was 21. Funeral services are pending at the Fratzke and Jensen Funeral Home in Storm Lake. More

Extension and Outreach

10-Year Study Shows Corn, Soybean Yields Not Affected by Cover Crops
Iowa Learning Farms and Practical Farmers of Iowa have published the final results of their 10-year, field-scale study of the effects of winter rye cover crops on corn and soybean yields. With consistent results across the full decade of recording and measurements, the final report notes no significant improvement or decline in cash crop yields attributable to the use of cover crops. More

ANR Extension Staff Spotlight: Sherry Hoyer
Sherry Hoyer is featured in the latest ANR Extension Staff Spotlight. She is a communications specialist with the Iowa Pork Industry Center and the Iowa Beef Center. She has worked at ISU since 1998 and helps get research and information about the pork and beef industries from faculty and staff to the people who need it. More

Iowa Research Presented to Michigan SWCS
Matt Helmers, agricultural and biosystems engineering and director of the Iowa Nutrient Research Center, presented results of work being conducted in Iowa and relevant to crop production occurring on landscapes across the upper Midwest at a meeting of the Michigan Chapter of the Soil and Water Conservation Society. Jerry Miller, former CALS associate dean of extension and outreach and professor of agronomy, is the Region 3 Director for the Michigan Chapter of SWCS.

Around the College

CALS Faculty Recognized by YWCA as Women of Achievement
CALS faculty were recognized as 2020 Women of Achievement by the YWCA Ames ISU at an award ceremony on March 5. Angela Shaw and Christina Campbell, food science and human nutrition, Carolyn Lawrence-Dill, genetics, development and cell biology, and Silvia Cianzio, agronomy, were recognized as living the YWCA mission of eliminating racism, empowering women and promoting peace, justice, freedom and dignity for all.

The Conversation: Why Swiss Cheese Has Holes
In a Feb. 27 essay distributed nationally by The Conversation, Stephanie Clark, food science and human nutrition, discusses why Swiss cheese has holes. Because Swiss cheese is made at a warm temperature, the cheese is soft and malleable. As the bacteria grow, the gases they emit end up creating round openings, or “eyes.” More

Loy on the Sustainability of Cattle
Dan Loy, director of the Iowa Beef Center, participated in the latest Iowa Farm Bureau Spokesman Speaks podcast released today, March 9, on sustainability and agriculture’s shrinking environmental footprint. He explains how cattle “upcycle” human inedible products into high quality protein for humans. More

CALS Cultural Competency Series Continues March 31
The CALS Office for Diversity Programs is continuing its Cultural Competency Lunch and Learn Series on March 31, from 11:30 a.m. to 1:30 p.m. (location TBD). Officer Natasha Greene, ISU Police Department, will provide Violent Incident Response Training. The goal is to begin the mental preparation of recognizing, assessing and responding to threats against you. Registration deadline is March 25. For more information, contact Theressa Cooper, assistant dean for diversity, at, 4-8574.
CALS P&T Workshops Scheduled for Assistant Professors
A promotion and tenure workshop for assistant professors will be held April 21 at 12 to 1:30 p.m. in 1951 Food Sciences Building (CCUR Auditorium). RSVP to Carla Persaud ( by April 14 to register. The workshop will include expectations, definition of scholarship, portfolio preparation and development, and time for questions and open discussion. A promotion and tenure mirroring session will be held April 29 at 12 to 1:30 p.m. in 142 Curtiss Hall. RSVP to Carla Persaud ( by April 24 to register.

Nominations for Gamma Sigma Delta due March 20
The Iowa chapter of Gamma Sigma Delta, the honor society of agriculture, is accepting nominations for membership and awards. Nomination forms for faculty, staff and alumni membership and awards are available online and are due March 20. More

CALS Online: Next Issue March 23
CALS Online will not be published on March 16, the week of spring break. The newsletter will resume Monday, March 23.


March 10: CALS Town Hall Meeting
CALS will hold a town hall meeting for all college faculty and staff on March 10 from 3:15 to 4:45 p.m. in the Dolezal Auditorium in Curtiss Hall, Room 127. Refreshments will be served. Endowed Dean Dan Robison will provide a welcome and remarks, including updates on enrollment and budget. There will be an opportunity to ask questions and provide comments.

March 11: Childfree by Choice
Amy Blackstone, sociology professor at the University of Maine, will speak on Wednesday, March 11, at 7 p.m. in the Memorial Union Sun Room. Blackstone will present "Childfree by Choice: The Movement Redefining Family and Creating a New Age of Independence." The lecture is co-sponsored by the sociology department. More 

March 18: Iowa Learning Farms Webinar
Iowa Learning Farms will host a webinar on March 18 at noon with Matt Russell, executive director of Iowa Interfaith Power and Light. Russell will discuss his work which focuses on working with farmers to help them become leaders in climate action. More

Communications Kiosk

The Verb Forms of Lay and Lie
The action word is lay. It takes a direct object. Laid is the form for its past tense and its past participle. Its present participle is laying. When lie means to make an untrue statement, the verb forms are lie, lied and lying. Lie also has various other meanings, including to recline, to be situated or to exist. It does not take a direct object. Its past tense is lay. Its past participle is lain. Its present participle is lying. (Associated Press Stylebook, 2019 edition, pg. 165)


Undergraduate Research Assistantship Applications Due March 27
The Student Employment Center is accepting applications for the 2020-2021 Undergraduate Research Assistantship Program. The program encourages juniors and senior to pursue graduate study by offering hands-on experience in a formal research environment. The application deadline is March 27. More

Innovation in Global Engagement Symposium April 14
The second annual Iowa Global Engagement Symposium and Networking Forum will be held April 14 from 8:30 a.m. to 3:45 p.m. in Elings Hall. The symposium will feature speakers’ experiences with and perspectives on innovation in international outreach. More

NIAMRRE Director to Serve on Presidential Advisory Council
Paul Plummer, veterinary diagnostic and production animal medicine and director of the National Institute of Antimicrobial Resistance Research and Education, was sworn in to serve a four-year term on the Presidential Advisory Council on Combating Antibiotic-Resistant Bacteria through the U.S. Department of Health and Human Services. More


Farm House Museum Celebrates 160 Years
The Farm House Museum is celebrating 160 years since the first bricks were laid at an open house on March 21-22 at 1 to 4 p.m. At 2 p.m. there will be a Curator Walk with exhibition curator and Farm House Museum intern Madisyn Rostro. More

College of Agriculture and Life Sciences Online

Julie Stewart, Editor, (515) 294-5616

College of Agriculture and Life Sciences Online, the newsletter for faculty and staff in Iowa State University's College of Agriculture and Life Sciences, is published by email every Monday. The deadline for submitting content is 12 p.m. on Friday.


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