Patrick B. Wall
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View article: 92 The identification of carcass ultrasound measurements as predictors of heifer pregnancy
92 The identification of carcass ultrasound measurements as predictors of heifer pregnancy Open
Reproductive success in beef females significantly impacts the profitability of beef cow-calf enterprises. Heifer development practices focus on feeding heifers to a target nutritional status to enhance early conception. Traditional practi…
View article: 52 Differences in body composition measurements for developing Angus heifers
52 Differences in body composition measurements for developing Angus heifers Open
The profitability of beef cow-calf operations relies on the reproductive ability of females to calve at 2 yr of age and provide a calf each subsequent year for her lifetime. The management of replacement heifers could affect her ability to…
View article: PSIX-30 Results from a Statewide Needs Assessment of Iowa Beef Producers
PSIX-30 Results from a Statewide Needs Assessment of Iowa Beef Producers Open
Extension personnel routinely conduct needs assessments to develop programs addressing challenges faced by cattle producers. The objective of this project was to identify and evaluate the needs of cattle producers in Iowa. Needs assessment…
View article: 272 Managing for Efficiency and Quality Through Diet and Implant Strategies on Steers Selected for Superior Marbling
272 Managing for Efficiency and Quality Through Diet and Implant Strategies on Steers Selected for Superior Marbling Open
A 144-day study assessed the effects of dietary energy and implant potency to determine optimum strategies for managing feed conversion (F:G) and marbling. Fifty-four Angus steers (327 ± 8 kg) from Iowa State University’s herd genetically …
View article: 104 Effects of nutritional management and implant strategies on growth and carcass performance of steers selected for superior marbling
104 Effects of nutritional management and implant strategies on growth and carcass performance of steers selected for superior marbling Open
A 187-day study utilizing Angus steers (283±4.4 kg) in a 2 x 2 factorial examined the effects of diet and implant strategy on growth and carcass performance of steers selected from Iowa State’s Angus herd genetically selected for enhanced …
View article: Comparing Iowa 4-H Beef Carcass Programs with the 2016 National Beef Quality Audit Carcasses
Comparing Iowa 4-H Beef Carcass Programs with the 2016 National Beef Quality Audit Carcasses Open
While the Iowa 4-H & FFA carcass contest cattle are not completely representative of all Iowa cattle, they can indicate trends for the Iowa cattle industry and represent the calves locally available for projects. With nearly 60% of these c…
View article: Evaluating the Effects of Diet Energy Density on Hereford Steer Performance with Differing Genetic Potential for Dry Matter Intake
Evaluating the Effects of Diet Energy Density on Hereford Steer Performance with Differing Genetic Potential for Dry Matter Intake Open
Advancements in beef cattle genetics have allowed for development of dry matter intake (DMI) expected progeny differences (EPD). This study was designed to evalute the effects of altered dietary energy density on feedlot performance of ste…
View article: Response Rate and Stakeholder Attitude towards Use of Interactive Electronic Audience Response (Clickers) in Beef Extension Programming
Response Rate and Stakeholder Attitude towards Use of Interactive Electronic Audience Response (Clickers) in Beef Extension Programming Open
Effectively measuring short-term impact, particularly a change in knowledge resulting from extension programming can prove to be challenging. Clicker-based technology, when used properly, is one alternative that may allow educators to bett…