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Browsing Beef by Author "Jaeger, J.R."

Now showing items 1-20 of 28

Behavior of beef cows grazing topographically rugged native range is influenced by mineral delivery system

Sproul, N.A.; Olson, K.C.; Drouillard, J.S.; Jaeger, J.R.; Bolte, J.W.; Linden, D.R.; Kreikemeier, R.A.; Pacheco, L.A.; Thomas, M.D.; Higgins, J.J. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2008)

Poor grazing distribution is a major problem on rangelands of the western United States. Grazing animals tend to congregate in areas near water, shade, and level terrain. These areas typically become overgrazed, while less ...
Botanical composition of diets grazed by beef cows in the Kansas Flint Hills during winter

Eckerle, G.J.; Olson, KC; Jaeger, J.R.; Fick, W.H.; Pacheco, L.A. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010)

Analysis of microscopic plant fragments recovered from the gut of wild herbivores (i.e., microhistological analysis) has been used to estimate diet composition, but there is debate as to whether microhistological analysis ...
Calf health and performance during receiving is not changed by fence-line preconditioning on flint hills range vs. drylot preconditioning

Bailey, E.A.; Jaeger, J.R.; Waggoner, J.W.; Preedy, G.W.; Pacheco, L.A.; Olson, KC (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2013)

Ranch-of-origin preconditioning can improve the welfare and performance of beef calves by decreasing the stress associated with weaning, transport, diet change, and commingling with other calves. Preconditioning methods ...
The combination of implanting with Revalor-200 and feeding Zilmax increases ribeye area of fed cows

Neill, S.; Unruh, J.A.; Jaeger, J.R.; Marston, T.T.; Higgins, J.J. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2009)

Mature cows are typically removed from the cow herd for various reasons, such as reproductive inefficiency and poor performance. It has been estimated that as much as 15 to 25% of a ranch’s revenue may be from cull cows. ...
The combination of implanting with Revalor-200 and feeding zilmax increases subprimal meat yield of fed cows

Neill, S.; Unruh, J.A.; Marston, T.T.; Daniel, M.J.; Jaeger, J.R.; Higgins, J.J. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2009)

Mature cows are culled from herds for reasons such as poor performance and failure to rebreed. When these cows are removed from the herd, they are typically in thin condition and potentially can be fed to gain weight and ...
Effects of corn steep liquor supplementation on intake and digestion of tallgrass prairie hay contaminated with sericea lespedeza

Eckerle, G.J.; Olson, KC; Jaeger, J.R.; Pacheco, L.A. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2012)

Sericea lespedeza (Lespedeza cuneata) is a noxious weed that infests approximately 600,000 acres of native range in Kansas. Intake of sericea lespedeza by grazing beef cattle is poor due to the presence of condensed ...
Effects of corn steep liquor supplementation on voluntary selection of tallgrass prairie hay contaminated with sericea lespedeza and uncontaminated tallgrass prairie hay

Eckerle, G.J.; Olson, KC; Jaeger, J.R.; Pacheco, L.A. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2012)

Sericea lespedeza (Lespedeza cuneata) is classified as a noxious weed throughout the Great Plains. It produces copious amounts of seed annually and contains high levels of condensed tannins during much of the growing ...
Effects of infrequent dried distillers grain supplementation on spring-calving cow performance

Bennett, B.W.; Waggoner, J.W.; Jaeger, J.R.; Sexten, A.K.; Olson, KC (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2013)

Feed and supplement costs and the expenses associated with delivery of winter supplements account for a large proportion of the total operating expenditures for cow-calf producers. Cattle grazing low-quality dormant ...
Effects of prepartum and postpartum bolus injections of trace minerals on performance of beef cows and calves grazing native range

Mundell, L.R.; Jaeger, J.R.; Stevenson, J.S.; Grieger, D.M.; Pacheco, L.A.; Bolte, J.W.; Aubel, N.A.; Eckerle, G.J.; Macek, M.J.; Havenga, L.J.; Olson, KC (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2012)

Adequate dietary intakes of trace minerals are thought necessary to maximize cow reproduction, calf health, and calf performance. Diets grazed by beef cattle are generally deficient to marginal in copper (Cu), manganese ...
Effects of prepartum ruminally protected choline supplementation on performance of beef cows and calves

Pacheco, L.A.; Jaeger, J.R.; Hibbard, L.R.; Macek, M.J.; Sproul, N.A.; Eckerle, G.J.; Bailey, E.A.; Bolte, J.W.; Olson, K.C. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2011)

Prepartum supplementation of spring-calving beef cows is a vital part of cow-calf enterprises, often affecting subsequent reproductive success. Most research in the area of prepartum supplementation has focused on provision ...
Efficiency of early weaned beef calves is not improved by restricting feed intake during 84-day growing phase

Bailey, E.A.; Jaeger, J.R.; Waggoner, J.W.; Preedy, G.W.; Pacheco, L.A.; Olson, KC (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2013)

Early weaning can be used by cow-calf producers to reduce stocking rates by 20% to 30% during drought. Ranchers may be reluctant to wean early because of reduced calf weights and reduced revenue compared with weaning ...
Forage intake by pregnant and lactating first-calf heifers

Linden, D.R.; Olson, K.C.; Anderson, D.E.; Jaeger, J.R.; Pacheco, L.A.; Holcomb, K.E.; Bolte, J.W.; Sproul, N.A.; Thomas, M.D. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2008)

Forage dry matter intake by mature cows usually decreases during the final 4 to 8 weeks of gestation and then increases dramatically during the first 4 to 8 weeks of lactation. Rapid fetal growth during late pregnancy ...
Forage selection preferences of experienced cows and naïve heifers grazing native tallgrass range during winter

Aubel, N.A.; Olson, KC; Jaeger, J.R.; Blasi, D.A.; Edwards, L.N.; Eckerle, G.J.; Pacheco, L.A.; Murray, L.W. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2011)

Estimating the nutritive value of a grazing animal’s diet is a significant challenge. Description of the botanical composition of a grazed diet is vital in that regard. Microhistological analysis of fecal material has ...
Length of the ranch-of-origin weaning period Does not affect post-receiving growth or carcass merit of ranch-direct, early-weaned beef calves

Bolte, J.W.; Olson, K.C.; Jaeger, J.R.; Schmidt, T.B.; Thomson, D.U.; White, B.J.; Larson, R.L.; Milliken, G.A.; Sproul, N.A.; Pacheco, L.A.; Thomas, M.D. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2009)

Bovine respiratory disease (BRD) is the most economically devastating feedlot disease. Risk factors associated with incidence of BRD include (1) stress associated with maternal separation, (2) stress associated with ...
Length of the weaning period affects postweaning growth, health, and carcass merit of ranch-direct beef calves weaned during the fall

Bolte, J.W.; Olson, K.C.; Jaeger, J.R.; Schmidt, T.B.; Thomson, D.U.; White, B.J.; Larson, R.L.; Sproul, N.A.; Pacheco, L.A.; Thomas, M.D. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2009)

Bovine respiratory disease (BRD) is the most economically devastating feedlot disease. Risk factors associated with incidence of BRD include (1) stress associated with maternal separation, (2) stress associated with ...
Length of the weaning period does not affect post-weaning growth or health of lightweight summer-weaned beef calves

Bolte, J.W.; Olson, K.C.; Jaeger, J.R.; Thomson, D.U.; White, B.J.; Larson, R.L.; Milliken, G.A.; Sproul, N.A.; Thomas, M.D. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2008)

Bovine respiratory disease (BRD) is the most economically devastating feedlot disease. Risk factors associated with incidence of BRD include: 1) stress associated with maternal separation; 2) stress associated with ...
Length of weaning period but not timing of vaccination affects feedlot finishing performance and carcass characteristics of fall-weaned, ranch-direct beef calves

Macek, M.J.; Iliff, J.W.; Olson, KC; Jaeger, J.R.; Schmidt, T.B.; Thomson, D.U.; Pacheco, L.A. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2011)

Bovine respiratory disease decreases profitability associated with cattle feeding. The cost of respiratory disease includes death loss, expenses associated with treatment, and reduced growth performance. Respiratory ...
Length of weaning period but not timing of vaccination affects feedlot receiving performance and health of fall-weaned, ranch-direct beef calves

Macek, M.J.; Iliff, J.W.; Olson, KC; Jaeger, J.R.; Schmidt, T.B.; Thomson, D.U.; Pacheco, L.A. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010)

Weaning and preconditioning programs are thought to be crucial to calf health and performance during the finishing period. The stress of maternal separation, changes in diet, environmental changes, and exposure to ...
Long-term CIDR program for synchronization of estrus in beef heifers produces acceptable AI pregnancy rates

Johnson, S.K.; Jaeger, J.R.; Bolte, J.W. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2010)

Routinely achieving pregnancy rates greater than 50% with fixed-time artificial insemination (AI) in heifers has been difficult. The Beef Reproduction Task Force recently added the intravaginal progesterone-releasing ...
Optimizing a new 5-day CIDR-CO-Synch timed artificial insemination program

Stevenson, J.S.; Pulley, S.L.; Mellieon, H.I.; Olson, KC; Jaeger, J.R.; Johnson, S.K.; Grieger, D.M.; Breiner, R.A. (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 2011)

The 7-day CO-Synch + CIDR protocol is a popular ovulation-synchronization program used by cow-calf producers to facilitate artificial insemination (AI). A progesterone- impregnated controlled internal drug release (CIDR) ...

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