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Multi-Elemental Analysis Of Bovine Liver Biops And Whole Liver, David Hickok, Michael Carlson, Dennis R. Brink, Norm Schneider, Gene H. Deutscher, Pete Olson
Multi-Elemental Analysis Of Bovine Liver Biops And Whole Liver, David Hickok, Michael Carlson, Dennis R. Brink, Norm Schneider, Gene H. Deutscher, Pete Olson
Nebraska Beef Cattle Reports
Liver biopsies are used to assess trace element status of cattle for diagnostic and experimental purposes and generally provide better information than serum samples. Liver tissue collected at necropsy or slaughter is also used. The liver usually serves as the storage site for minerals. Serum concentrations may be maintained within adequate concentration ranges, at the sacrifice of liver mineral stores. If animals are receiving insufficient mineral, but have not yet depleted their liver stores enough to significantly lower the serum concentration, analysis of serum will be misleading. But analysis of liver biopsy samples may detect low liver trace element status. …
Grazing: An Alternative To Haying Subirrigated Meadows In The Nebraska Sandhills, Marc Horney, Don C. Adams, Walter H. Schacht, Steven S. Waller, Terry J. Klopfenstein
Grazing: An Alternative To Haying Subirrigated Meadows In The Nebraska Sandhills, Marc Horney, Don C. Adams, Walter H. Schacht, Steven S. Waller, Terry J. Klopfenstein
Nebraska Beef Cattle Reports
Subirrigated meadow in the Nebraska Sandhills are used extensively for hay production. Hay harvest takes place in late June through July, generally after the forage has reached full maturity. Crude protein content of this hay commonly falls in the range of 6 to 8%. This is below the nutritional requirement of lactating cows that are often fed this hay until the native range is ready for grazing in late May/early June. Harvesting hay at an earlier maturity would improve its nutritive value, but is not an option on some meadows because much of the surface remains saturated well into the …
The Incidence Of Precocious Puberty In Developing Beef Heifers, Michael Wehrman, James E. Kinder
The Incidence Of Precocious Puberty In Developing Beef Heifers, Michael Wehrman, James E. Kinder
Nebraska Beef Cattle Reports
In the current cow-calf production system in the United States when restricted breeding seasons are used a heifer must calve by two years of age to obtain maximum lifetime productivity. Heifers that reach puberty at a younger age and have ≥3 estrous cycles have a greater chance of conceiving early in their first breeding season than contemporaries. Due to the longer postpartum period of an estrus of first-calf cows calving at two years age, heifers that conceive early in the breeding season have a greater opportunity to initiate estrous cycles before the next breeding season and become pregnant. In contrast, …
Characterization Of Ammonia Utilization By Prevotella Ruminicola B1 4, Zezhang Wen, Mark Morrison
Characterization Of Ammonia Utilization By Prevotella Ruminicola B1 4, Zezhang Wen, Mark Morrison
Nebraska Beef Cattle Reports
P. ruminicola is a predominant member of the rumen microflora, and in addition to its important role in fiber digestion, it is one of the major proteolytic bacteria from the rumen. It is capable of using both large peptides and ammonia as its nitrogen source, but not free amino acids, small peptides. and other low molecular weight N compounds. Also. prior growth with peptides appears to inhibit ammonia assimilation. and results in fermentation uncoupled from microbial growth. so called “energy spilling”.
For the great majority of grazing ruminants. ammonia is the major N source in the rumen. and it is …
Dried Poultry Waste As A Nonprotein Nitrogen Source For Ruminants, Sheri Bierman, Terry J. Klopfenstein, Rick Stock, Dan Herold
Dried Poultry Waste As A Nonprotein Nitrogen Source For Ruminants, Sheri Bierman, Terry J. Klopfenstein, Rick Stock, Dan Herold
Nebraska Beef Cattle Reports
Two trials were conducted to evaluate the use of dried poultry waste as a source of degradable intake protein in growing and finishing ruminant diets. Trial 1 utilized eight-eight crossbred lambs (62 lb) in a 60-day growing period and subsequent 60-day growing period and subsequent 60-day finishing period. In the growing period, lambs were fed seven levels of degradable intake protein, 5.6 to 7.7% of diet DM (7.6 to 9.7% CP) from either urea or dried poultry waste. In the finishing period, lambs (71 lb) were fed a control diet containing no added N, 4.1% degradable intake protein (9.6% CP) …
Evaluation Of Nitrogen, Phosphorus, And Organic Matter Balance In The Feedlot As Affected By Nutrition, Sheri Bierman, Terry J. Klopfenstein, Rick Stock, Drew Shain
Evaluation Of Nitrogen, Phosphorus, And Organic Matter Balance In The Feedlot As Affected By Nutrition, Sheri Bierman, Terry J. Klopfenstein, Rick Stock, Drew Shain
Nebraska Beef Cattle Reports
A steer finishing trial was conducted to evaluate level and source of dietary fiber on nitrogen, phosphorus, and organic matter excretion. One-hundred twenty steers were fed one of the following treatments: wet corn gluten feed (41.5% of diet DM), 7.5% roughage diet, and all concentrate diet. Nitrogen, phosphorus, and organic matter intake of steers fed wet corn gluten feed were greater than the other two treatments. Fecal nitrogen output was greatest with the wet corn gluten feed diet. All treatments lost about 50% of excreted nitrogen through volatilization. The all concentrate treatment had the highest percentage of phosphorus and organic …
Connective Tissueiacidic Phosphate Preblends In Low Fat, High Added-Water Frankfurters, Christi Calhoun, Scott Eilert, Roger W. Mandigo
Connective Tissueiacidic Phosphate Preblends In Low Fat, High Added-Water Frankfurters, Christi Calhoun, Scott Eilert, Roger W. Mandigo
Nebraska Beef Cattle Reports
Preblending modified beef connective tissue with an acidic phosphate has been shown to increase collagen solubility of the connective tissue. Increased collagen solubility may improve the textural properties and other characteristics of the final product to which the preblend is added. The objective of this research was to determine the effects on product quality of adding an acidic phosphate/ connective tissue preblend to low-fat, high added-water frankfurters. Product analyses included proximate composition, emulsion stability, yield, pH, collagen solubility, purge loss, color, objective texture and consumer acceptance. Preblending modified connective tissue with acidic phosphate provided few textural or yield advantages to …
Mechanically Recovered Neck Bone Lean Alters Textural And Sensory Properties Of Ground Beef Patties, Brian Demos, Roger W. Mandigo
Mechanically Recovered Neck Bone Lean Alters Textural And Sensory Properties Of Ground Beef Patties, Brian Demos, Roger W. Mandigo
Nebraska Beef Cattle Reports
Beef neck bones are one part of a carcass that can yield a substantial quantity of lean trim. Typically, neck bones are trimmed by hand. This is a labor intensive process that can lead to high levels of ergonomic stress if performed for an extended period of time. This process can also be inefficient. leaving salvageable lean on the bone.
Mechanical systems that recover lean tissue from beef cervical vertebrae portions have been introduced. These systems allow rapid, efficient recovery of lean tissue by hydraulic pressure with minimal bone breakage. temperature rise or increase in calcium content. Lean tissue is …
Evaluation Of Animal Byproducts For Escape Protein Supplementation, Daniel Herold, Terry J. Klopfenstein, Mark Klemesrud
Evaluation Of Animal Byproducts For Escape Protein Supplementation, Daniel Herold, Terry J. Klopfenstein, Mark Klemesrud
Nebraska Beef Cattle Reports
Blood meal, meat and bone meal. and feather meal are high in escape protein, relative to oil meals and forages. and increase performance when included in forage-based diets sufficient in rumen degradable protein. Two factors that influence the nutritive value of animal byproduct meals are processing conditions and raw materials.
Renderers apply heat to drive off moisture. extract fat. and eliminate bacterial contamination from animal tissues. This cooking also denatures proteins. creating cross links and insoluble bonds within and between protein chains: enhancing resistance to microbial degradation in the rumen. However. processing at very high temperatures can limit the extent …
Multi-Elemental Analysis Of Sandhills Meadow Hay, David Hickok, Dennis Bauer, Dennis R. Brink, Michael Carlson, Norm Schneider
Multi-Elemental Analysis Of Sandhills Meadow Hay, David Hickok, Dennis Bauer, Dennis R. Brink, Michael Carlson, Norm Schneider
Nebraska Beef Cattle Reports
Traditionally, ranches in the Sandhills of Nebraska feed meadow hay to cows during the winter. Trace element composition of meadow hay varies. To determine if, when and where trace element supplementation is necessary, it is important to characterize the trace element concentrations in the hay. If the variation in trace element content of hay among location and years can be predicted ranch managers and advisors may develop appropriate strategies for sampling hay and preventing trace element deficiencies. Our objective was to develop a data base of trace element content of meadow hay from various locations over two years. The data …
Treated Meat And Bone Meal And Rumen Protected Methionine And Tryptophan For Growing Calves, Mark Klemesrud, Terry J. Klopfenstein
Treated Meat And Bone Meal And Rumen Protected Methionine And Tryptophan For Growing Calves, Mark Klemesrud, Terry J. Klopfenstein
Nebraska Beef Cattle Reports
To optimize production in growing calves, escape protein is often supplemented to meet the animal's metabolizable protein requirement. Meat and bone meal (MBM) is a rendered animal byproduct often used as a source of escape protein. However, previous studies have shown a lower protein efficiency for MBM relative to blood meal. This has been attributed to the escape protein and/or amino acid composition of MBM being inadequate to the specific needs of the growing calf. Collagen, which can comprise a fraction of MBM protein, contains negligible amounts of the essential amino acids methionine and tryptophan.
Recent research has identified methionine …
Use Of A Metabolizable Protein System To Predict Deficiencies In Diets Of Cattle Grazing Sandhill Native Range And Subirrigated Meadow, Greg Lardy, Don C. Adams, Terry J. Klopfenstein, Jim Lamb
Use Of A Metabolizable Protein System To Predict Deficiencies In Diets Of Cattle Grazing Sandhill Native Range And Subirrigated Meadow, Greg Lardy, Don C. Adams, Terry J. Klopfenstein, Jim Lamb
Nebraska Beef Cattle Reports
Many Sandhills ranches have two distinctly different forage resource bases: native upland range and subirrigated meadow. These two sites have different grass species composition and different plant growth characteristics. Familiarity with the nutritional composition of these sites is a valuable management tool for cattle producers in the Sandhills. The grazing animal has the ability to select a diet that is higher in nutritive value than would be obtained by analyzing clipped samples of the same pasture. The use of esophageally-fistulated animals to sample pastures gives the best estimate of the animal's diet.
A metabolizable protein system (NRC, 1985) expresses protein …
Digestibility Of Wet And Dry Distillers Grains From The Fermentation Of Corn Or Sorghum, Shanna Lodge, Rick Stock, Terry J. Klopfenstein, Dan Herold
Digestibility Of Wet And Dry Distillers Grains From The Fermentation Of Corn Or Sorghum, Shanna Lodge, Rick Stock, Terry J. Klopfenstein, Dan Herold
Nebraska Beef Cattle Reports
Research conducted at the University of Nebraska has evaluated wet and dry distillers byproducts as energy sources for cattle. The majority of the research has been conducted with distillers byproducts resulting from the fermentation of corn. However, in the dry milling industry various cereal grains may be used to produce ethanol and distillers byproducts. The resulting byproducts have the potential to have a different feeding value when compared to byproducts produced from corn. A Nebraska trial (1995 Nebraska Beef Report, pp. 25-26) conducted by Lodge et al. indicated steers consuming diets containing distillers byproducts (40% of diet DM) produced from …
Use Of Direct Fed Microbials To Alleviate Subacute Acidosis, Shanna Lodge, Terry J. Klopfenstein, Rick Stock, Dan Herold
Use Of Direct Fed Microbials To Alleviate Subacute Acidosis, Shanna Lodge, Terry J. Klopfenstein, Rick Stock, Dan Herold
Nebraska Beef Cattle Reports
Direct fed rnicrobials are feed additives composed of live cultures of microorganisms that are currently being used in the feedlot industry to improve animal performance. Reported beneficial effects include increased feed intake and weight gain. The efficacy of these supplements have been associated with their abilities to alter rumen function, such as volatile fatty acid production, stabilization of pH, and reduction of the amount of lactate produced. This experiment was conducted to determine the effect of the direct fed microbials on rumen steady state and to evaluate their ability to alleviate subacute acidosis.
Evaluation Of Wet Distillers Byproducts Composite For Finishing Ruminants, Shanna Lodge, Rick Stock, Terry J. Klopfenstein, Drew Shain, Daniel Herold
Evaluation Of Wet Distillers Byproducts Composite For Finishing Ruminants, Shanna Lodge, Rick Stock, Terry J. Klopfenstein, Drew Shain, Daniel Herold
Nebraska Beef Cattle Reports
Demand for ethanol and coin sweeteners is on the rise and is predicted to increase in the future. This trend will result in an abundance of byproducts that are potentially economical alternatives to corn. Wet distillers grains and wet corn gluten feed are currently used as sources of protein and energy in feedlot diets. Previous research indicates that wet corn byproducts (distillers grains and thin stillage) are higher in net energy than corn grain; however, wet corn gluten feed (WCGF) is similar in net energy to corn. Potential differences between wet distillers byproducts and WCGF include lipid content, escape protein …
Growth Implants For Steers, Terry L. Mader, James Dahlquist, Robert Botts
Growth Implants For Steers, Terry L. Mader, James Dahlquist, Robert Botts
Nebraska Beef Cattle Reports
Trenbolone acetate (TBA), an implant (Finaplix®) with androgenic activity, stimulates growth and enhances feed efficiency much like implants with estrogenic activity (Ralgro®, Synovex®, Implus® and Compudose®). Because androgenic and estrogenic products tend to have different mechanisms of action, the combination of TBA and an estrogenic implant have been shown to be most beneficial. Revalor® S, a combination product containing 24 mg estradiol (E2) and 120 mg TBA. is an effective implant. particularly when used in feedlot steers 100 to 120 days before slaughter. Other products and combinations of TBA and estradiol may be just as effective. The objective of this …
Manipulation Of Microbial Protein Degradation In The Rumen: Development Of The "Smugglin Concept" To Control Protein Digestion, Humberto Madeira, Mark Morrison
Manipulation Of Microbial Protein Degradation In The Rumen: Development Of The "Smugglin Concept" To Control Protein Digestion, Humberto Madeira, Mark Morrison
Nebraska Beef Cattle Reports
It has been estimated that as much as 25% of the protein fed to grazing and forage-fed animals is wasted due to its rapid degradation by the rumen microorganisms. Therefore. from an economic and environmental perspective, the nitrogen cycle of intensive livestock systems could be managed more effectively. Compounds such as ionophores can reduce ruminal ammonia production, but their anti-bacterial effects are too broad for its widespread use with grazing and forage-fed livestock. Another strategy to manipulate the activities of rumen bacteria responsible for protein degradation is the "smugglin concept". The "smugglin concept" involves the selective inhibition of microorganisms by …
Effect Of Energy Source And Escape Protein On Receiving And Finishing Performance And Health Of Calves, Rob Mccoy, Rick Stock, Terry J. Klopfenstein, Mark Klemesrud, Gene White
Effect Of Energy Source And Escape Protein On Receiving And Finishing Performance And Health Of Calves, Rob Mccoy, Rick Stock, Terry J. Klopfenstein, Mark Klemesrud, Gene White
Nebraska Beef Cattle Reports
Large-frame calves are well suited to a production system in which finishing begins shortly after weaning. Compared with yearlings. calves are less mature and deposit more lean tissue relative to fat when placed in the feedlot. Therefore. the need for metabolizable protein is greater with calves.
Wet corn gluten feed (WCGF) has been shown to be an excellent energy source in beef cattle diets. Compared with dry rolled corn (DRC), WCGF is higher in crude protein, but the escape protein value of WCGF is substantially lower (60 vs 20%). Previous research (1995 Nebraska Beef Report, pp. 28- 30) showed supplemental …
Beef Production Systems From Weaning To Slaughter In Western Nebraska, Cynthia Morris, Ivan G. Rush, Burt Weichenthal, Brad Van Pelt
Beef Production Systems From Weaning To Slaughter In Western Nebraska, Cynthia Morris, Ivan G. Rush, Burt Weichenthal, Brad Van Pelt
Nebraska Beef Cattle Reports
Numerous alternatives exist for feeding and managing weaned medium-frame steers to slaughter. Efficiency of beef production includes the total growing and finishing period. Often economics of production only considers a single part of the production systems. As a consequence one segment of the industry may make decisions based on maximum profit while they own or manage an animal that may adversely effect the profit of a subsequent owner. possibly causing overall economic efficiency to be lowered. For example, cost per pound of gain is usually lower when calves are wintered at a relatively fast rate of gain and consequently feedlot …
Cellulose Adherence Factors In Ruminococcus Albus, Randall Pegden, Mark Morrison
Cellulose Adherence Factors In Ruminococcus Albus, Randall Pegden, Mark Morrison
Nebraska Beef Cattle Reports
Grazing and forage-fed animals depend upon the rumen microorganisms’ ability to breakdown polysaccharides present in the leaf and stems of plants. The rate and extent of this breakdown has a major impact on animal nutrition, therefore understanding the mechanics of this process offers the potential to optimize and further improve animal performance. The limited published studies to-date suggest that: 1) colonization and adherence by some rumen bacteria are specific in nature and: 2) adherence can be modified by nutrients and growth conditions, such as ruminal pH. Better understanding and future improvements of fiber digestion in the rumen will be afforded …
Evaluation Of Levels Of Wet Corn Gluten Feed And Addition Of Tallow, Chris Richards, Rick Stock, Terry J. Klopfenstein
Evaluation Of Levels Of Wet Corn Gluten Feed And Addition Of Tallow, Chris Richards, Rick Stock, Terry J. Klopfenstein
Nebraska Beef Cattle Reports
Wet corn gluten feed (WCGF) is a byproduct of the wet corn milling industry and contains 90 to 110% of the relative energy value of corn in finishing diets. Wet corn gluten feed (Cargill) contains higher levels of protein (20%). phosphorus (1.0%). and potassium (1.2%) than corn. Wet corn gluten feed is higher in lumen degradable (80 vs 40%) and lower in escape protein (20 vs 60%) when compared with corn. The lipid contents of WCGF and corn are similar, at 5%.
Wet distillers byproducts (wet grains and thin stillage) are byproducts of the dry milling industry and have been …
Effects Of Bovatec, Rumensin Or Gainpro Fed To Yearling Summer Grazing Steers, Ivan G. Rush, Burt Weichenthal, Brad Van Pelt
Effects Of Bovatec, Rumensin Or Gainpro Fed To Yearling Summer Grazing Steers, Ivan G. Rush, Burt Weichenthal, Brad Van Pelt
Nebraska Beef Cattle Reports
Studies of beef production systems often indicate profitability can be increased in calf growing and feeding programs if yearling cattle are grazed at least during part of the growing phase. If yearling cattle are grazed on summer range, it is important that the summer gain be as efficient and economical as possible. The use of implants and ionophores can improve gain in grazing cattle. A feed additive, bainbermycins (GainPro™), has been released for the purpose of improving weight gain in cattle, especially in those consuming high roughage diets. Data from practical grazing conditions are limited with bambermycins so the objective …
An Enzyme-Microbial Feed Product For Finishing Steers, Burt Weichenthal, Ivan G. Rush, Brad Van Pelt
An Enzyme-Microbial Feed Product For Finishing Steers, Burt Weichenthal, Ivan G. Rush, Brad Van Pelt
Nebraska Beef Cattle Reports
The MSE feed product contains multiple enzymes plus four strains of bacteria, two strains of yeast and three strains of fungi. The bacteria were three Lactobacillus acidophilus cultures and one strain of Bacillus subtilis; the yeasts were three strains of Saccharomyces cerevisiae; and the fungi were two strains of Aspergillus oryzae and one of Aspergillus niger. Potential benefits for feeding MSE to finishing beef cattle could be improvement in daily gain and fee utilization. Thus a feedlot trial was designed to compare MSE to an ionophore-antibiotic combination often fed to finishing cattle on a high grain diet to improve feed …
Predicting Wholesale Value Of Beef Carcasses, Lee Weide, Chris R. Calkins, Tommy Wheeler, Brian Quandt
Predicting Wholesale Value Of Beef Carcasses, Lee Weide, Chris R. Calkins, Tommy Wheeler, Brian Quandt
Nebraska Beef Cattle Reports
The growing interest in value-based marketing elevates the importance of accurate assessment of individual carcass merit. Retailers, meat plants, and producers must find a way to reduce the production and marketing of fat. Instant feedback to producers, in the way of a higher dollar value for preferred cattle, gives a clear signal on what type of beef is desirable. Electromagnetic scanning (EMS) has the capability to accurately provide an assessment of lean content on a single carcass basis.
Previous research at the University of Nebraska has shown that EMS has the ability to predict lean composition of beef carcasses (1994 …
Winter Temperatures May Affect Calf Birth Weights, Dave Colburn, Gene H. Deutscher, Pete Olson
Winter Temperatures May Affect Calf Birth Weights, Dave Colburn, Gene H. Deutscher, Pete Olson
Nebraska Beef Cattle Reports
Calving difficulty incurred by 2-year-old heifers is a major problem. Research has shown the basic cause is a disproportion between the calf size at birth (birth weight) and the heifer's birth canal (pelvic area). Several factors affect calf birth weight. including genetics of sire and dam, dam nutrition, calf sex and climatic conditions. Weather conditions may have a significant effect on calf birth weight. When a pregnant animal is exposed to cold temperatures, blood is concentrated internally to maintain its core body temperature. Therefore. during prolonged periods of cold weather, the fetus may receive more nutrition because more blood flows …
Multi-Elemental Analysis Of Liver Biopsies And Serum To Determine Trace Element Status Of Cows, David Hickok, Pablo Martin, Dennis R. Brink, Richard J. Rasby, Michael Carlson, Norm Schneider
Multi-Elemental Analysis Of Liver Biopsies And Serum To Determine Trace Element Status Of Cows, David Hickok, Pablo Martin, Dennis R. Brink, Richard J. Rasby, Michael Carlson, Norm Schneider
Nebraska Beef Cattle Reports
Cattle producers have commonly supplemented trace elements to prevent deficiencies. The beef cow, primarily grazing forage or fed harvested forage, may be able to store adequate amounts of trace elements in the liver during periods of excess availability to maintain homeostasis during periods of marginal availability. Therefore, the objective of this study was to determine the seasonal effects on trace element status of multiparous cows in the absence of supplementation. Trace element concentrations in the liver biopsy were compared with serum concentrations removed at the same time.
Rumen Degradable Protein Requirements Of Gestating Beef Cows Grazing Dormant Native Sandhills Range, Karla Hollingsworth-Jenkins, Terry J. Klopfenstein, Don C. Adams, Jim Lamb
Rumen Degradable Protein Requirements Of Gestating Beef Cows Grazing Dormant Native Sandhills Range, Karla Hollingsworth-Jenkins, Terry J. Klopfenstein, Don C. Adams, Jim Lamb
Nebraska Beef Cattle Reports
Protein, the most expensive winter supplement, may be overfed because the actual rumen degradable and escape protein requirements are unknown. Rumen degradable protein is protein degraded by the rumen microorganisms and used by them for their growth and protein synthesis. Escape protein is protein which is not degraded in the rumen but enzymatically digested in the small intestine for use by the animal at the tissue level. Metabolizable protein is the combination of digestible microbial protein and escape protein that flows to the small intestine for use by the host animal. Previous Nebraska reports (Karges et al.. 1991 Beef Cattle …
Range Or Meadow Regrowth Grazing And Weaning Effects On Two Year-Old Cows, James Lamb, Don C. Adams, Terry J. Klopfenstein, Greg Lardy
Range Or Meadow Regrowth Grazing And Weaning Effects On Two Year-Old Cows, James Lamb, Don C. Adams, Terry J. Klopfenstein, Greg Lardy
Nebraska Beef Cattle Reports
Body condition of cows at calving affects pregnancy rate and breeding date. Body condition at calving of spring calving cows wintered on range is influenced by fall body condition. A Montana study showed that lactating cows grazing range lost body condition during August and September. The loss of body condition was attributed to an inadequate consumption of crude protein. Diet samples of cattle grazing Sandhills range during August to October contain 6% to 8% crude protein. Loss of body condition of spring calving, primiparous cows grazing Nebraska Sandhills range during the fall is a concern. Subirrigated meadow regrowth is a …
Composting - A Feedlot Waste Management Alternative, Gary Lesoing, Terry J. Klopfenstein, Daniel Duncan
Composting - A Feedlot Waste Management Alternative, Gary Lesoing, Terry J. Klopfenstein, Daniel Duncan
Nebraska Beef Cattle Reports
Implementation of nitrogen management plans by Natural Resource Districts may require feedlots to evaluate the environmental soundness of their waste management plans. Composting may be a manure management system that can provide a method of using the nutrients in feedlot manure as a resource in an environmentally sound manner. Composting is an aerobic (oxygen requiring) decomposition of organic matters. such as manure, by microorganisms. Composting has been shown to provide many benefits. Moisture content and volume of composted feedlot manure are reduced 50% compared with raw feedlot manure. This improves handling and requires fewer trips to the field when applied …
Effect Of Sorghum And Cornstalk Grazing On Crop Production, Gary Lesoing, Mark A. Schroeder, Drew Shain, Terry J. Klopfenstein, James A. Gosey
Effect Of Sorghum And Cornstalk Grazing On Crop Production, Gary Lesoing, Mark A. Schroeder, Drew Shain, Terry J. Klopfenstein, James A. Gosey
Nebraska Beef Cattle Reports
Crop residues remaining after harvest are an important feed resource for the cattle. While many of the 1.8 million head of beef cows and many calves in Nebraska graze harvested fields during the winter months, little information is available on the effect of grazing on subsequent residue cover or crop yields. Beginning in the fall of 1992, experiments were begun at several different sites on the Integrated Crop/ Livestock Farm at the Agricultural Research and Development Center to study the effect of cattle grazing crop residues on subsequent crop yields, residue cover, and soil compaction.