M. Undi
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View article: PSVIII-24 Bacterial and fungal communities during ensiling and aerobic exposure of whole corn silage treated with a bacterial inoculant or a propionic acid-based additive.
PSVIII-24 Bacterial and fungal communities during ensiling and aerobic exposure of whole corn silage treated with a bacterial inoculant or a propionic acid-based additive. Open
This study investigated the effect of silage additives on a) silage composition and fermentation characteristics, and b) bacterial and fungal communities during ensiling and aerobic exposure. Whole plant corn was harvested at 33% DM and en…
View article: PSVI-23 Economic potential of field peas as an alternative to corn distillers dried grain with solubles (DDGS) in beef heifer growing diets
PSVI-23 Economic potential of field peas as an alternative to corn distillers dried grain with solubles (DDGS) in beef heifer growing diets Open
Field pea production in North Dakota has increased significantly over the past 20 yr with hectares planted increasing by more than 68% over that period. With the increase in supply of field peas, there is interest in evaluating whether usi…
View article: Assessing supplementing strategies for beef cattle in a bale grazing system using grass hay during variable winter conditions
Assessing supplementing strategies for beef cattle in a bale grazing system using grass hay during variable winter conditions Open
Introduction Beef cattle in the Northern Great Plains of the United States of America are normally kept in open dry lot pens in winter. Practices such as bale grazing, swath grazing, stockpiling, and corn residue grazing, can be used to ex…
View article: Influence of pre-weaning trace mineral exposure on subsequent performance and trace mineral status of beef calves during finishing
Influence of pre-weaning trace mineral exposure on subsequent performance and trace mineral status of beef calves during finishing Open
Objectives of these experiments were to 1) evaluate the accumulation of Co, Cu, Mn and Zn in liver tissue during the finishing period of calves with or without previous mineral supplement exposure; and 2) evaluate the performance of cal…
View article: Using precision tools to manage and evaluate the effects of mineral and protein/energy supplements fed to grazing beef heifers
Using precision tools to manage and evaluate the effects of mineral and protein/energy supplements fed to grazing beef heifers Open
Our objectives were to develop a Mobile Cow Command Center (MCCC) capable of precision monitoring of grazing heifers to 1) examine the relationship between supplement intake on concentrations of liver mineral and blood metabolites and 2) e…
View article: PSXI-17 Performance of beef cattle overwintered on bale-grazed pasture or in a dry lot in south-central North Dakota
PSXI-17 Performance of beef cattle overwintered on bale-grazed pasture or in a dry lot in south-central North Dakota Open
The performance of beef cows managed in two overwintering environments, bale-grazed pasture or dry lot pens, was evaluated in a study conducted over four winters, from 2016 to 2019. Non-lactating pregnant Angus cows (2016, n = 32, body wei…
View article: PSXI-16 Evaluation of supplementation strategies for beef cattle bale-grazing grass hay in Winter
PSXI-16 Evaluation of supplementation strategies for beef cattle bale-grazing grass hay in Winter Open
Methods of supplementing beef cows while bale grazing grass hay were investigated in a study conducted for four winters, from 2016 to 2019, at the Central Grasslands Research Extension Center near Streeter, ND. Starting in the fall of each…
View article: Utilizing an electronic feeder to measure individual mineral intake, feeding behavior, and growth performance of cow–calf pairs grazing native range1
Utilizing an electronic feeder to measure individual mineral intake, feeding behavior, and growth performance of cow–calf pairs grazing native range1 Open
Crossbred Angus cow–calf pairs (n = 28 pairs) at the Central Grasslands Research Extension Center (Streeter, ND) were used to evaluate an electronic feeder to monitor individual mineral intake and feeding behavior and their relationship wi…
View article: 100 Young Scholar Presentation: Energy and Mineral Supplementation Strategies for Beef Cattle Grazing the Northern Great Plains
100 Young Scholar Presentation: Energy and Mineral Supplementation Strategies for Beef Cattle Grazing the Northern Great Plains Open
Three experiments were conducted to evaluate supplementation strategies for beef cattle grazing in the Northern Great Plains. In experiment 1, 28 cow-calf pairs had access to electronic feeders (SmartFeed system; C-Lock Inc., Rapid City, S…
View article: Influence of stocking rate and advancing season on forage intake, digestibility, and ruminal fermentation in steers supplemented with dried distillers grains with solubles while grazing northern Great Plains rangelands1
Influence of stocking rate and advancing season on forage intake, digestibility, and ruminal fermentation in steers supplemented with dried distillers grains with solubles while grazing northern Great Plains rangelands1 Open
The objectives of this study were to evaluate the effects of stocking rate and advancing season on diet chemical composition, intake, digestibility, and ruminal fermentation in steers supplemented with distillers grains with solubles [0.3%…
View article: 158 Mineral Intake, Feeding Behavior, and Growth Performance of Cow-Calf Pairs Grazing Native Range.
158 Mineral Intake, Feeding Behavior, and Growth Performance of Cow-Calf Pairs Grazing Native Range. Open
Crossbred Angus cow-calf pairs (n = 28 pairs) at the Central Grasslands Research and Extension Center (Streeter, ND) were used to evaluate an electronic feeder to monitor mineral intake and feeding behavior, and their relationship with gro…
View article: 112 Evaluation of fecal near-infrared reflectance spectroscopy profiling technology to predict forage intake estimated using n-alkane markers in grazing cattle
112 Evaluation of fecal near-infrared reflectance spectroscopy profiling technology to predict forage intake estimated using n-alkane markers in grazing cattle Open
Improved methodology to estimate intake of grazing animals is needed for better-informed management strategies, as current techniques are limited. The objective of this study was to evaluate the accuracy of fecal near-infrared reflectance …
View article: Challenges and Opportunities in Estimating the Value of Goods and Services in Temperate Grasslands — A Case Study of Prairie Grasslands in Manitoba, Canada
Challenges and Opportunities in Estimating the Value of Goods and Services in Temperate Grasslands — A Case Study of Prairie Grasslands in Manitoba, Canada Open
Challenges and Opportunities in Estimating the Value of Goods and Services in Temperate Grasslands — A Case Study of Prairie Grasslands in Manitoba, Canada
View article: Effect of post-weaning residual feed intake classification on grazed grass intake and performance in pregnant beef heifers
Effect of post-weaning residual feed intake classification on grazed grass intake and performance in pregnant beef heifers Open
Manafiazar, G., Basarab, J. A., Baron, V. S., McKeown, L., Doce, R. R., Swift, M., Undi, M., Wittenberg, K. and Ominski, K. 2015. Effect of post-weaning residual feed intake classification on grazed grass intake and performance in pregnant…
View article: Efficacy of needle-free injection on antibody production against Clostridium chauvoei in beef calves under field conditions.
Efficacy of needle-free injection on antibody production against Clostridium chauvoei in beef calves under field conditions. Open
This study compared needle-free and needle-based injection devices for vaccination of calves against Clostridium chauvoei in warm and cold conditions. Both devices elicited comparable antibody responses in calves. Needle-free injection dev…