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Author
Title Supplementation Strategies to Enhance Beef Cattle Production Efficiency
URL
Publication Date
Degree MS
Discipline/Department Animal Sciences
Degree Level masters
University/Publisher University of Florida
Abstract An experiment evaluated the effects of different frequencies of supplementation with CGF and Megalac-R (Church & Dwight, Princeton, NJ), on the blood profile of suckled beef cows. Cows receiving equal amounts of an isocaloric and isonitrogenous supplement 3, 5, or 7 d/wk had similar concentrations of NEFA (P = 0.42) and BUN (P = 0.74). Reducing the frequency of supplementation did not affect the metabolism of lactating beef cows and could contribute to reduce costs. Inclusion rates of Fermenten (Church & Dwight, Princeton, NJ) were evaluated on performance and metabolism of steers. A first experiment tested the effects of 0, 2, and 4% inclusion rate of Fermenten in the diet DM on performance of steers. After 56 d under treatment, steers in the 4% treatment had decreased BW (P = 0.01), ADG (P 0.05) on carcass or blood parameters. Greater inclusion rate of Fermenten resulted in increased (P 0.05) was observed. In conclusion, Fermenten did not improve performance or metabolism of growing cattle. ( en )
Subjects/Keywords Amino acids; Beef cattle; Blood urea nitrogen; Calves; Fats; Forage; Heifers; Nonesterified fatty acids; Rumen; Soybeans; additive  – beef  – cattle  – feed  – fermenten  – frequency  – megalac  – supplementation
Contributors DILORENZO,NICOLAS (committee chair); DUBEUX,JOSE CARLOS (committee member)
Language en
Country of Publication us
Record ID florida:etd:UFE0050442
Repository florida
Date Retrieved
Date Indexed 2021-01-07
Grantor University of Florida

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…Cows receiving equal amounts of an isocaloric and isonitrogenous supplement 3, 5, or 7 d/wk had similar concentrations of NEFA (P = 0.42) and BUN (P = 0.74). Reducing the frequency of supplementation did not affect the metabolism of…

…deliver sufficient amounts of quality feed to the animals. For that reason, frequency of supplementation and type and quality of nutrients should be taken into consideration to avoid unnecessary expenses. For lactating beef cows, energy is the main…

…nonstructural carbohydrates, due to a decrease of the rumen pH and growth inhibition of the fibrolytic bacteria (Kunkle et al., 2000) Frequency of Supplementation According to Drewnoski et al. (2014), when there is a reduction in the…

frequency of supplementation, there is no change in the amount of supplement fed each week, however, there is an increase in the amount fed during each supplementation meal. Restriction to hay access or less frequent supplementation may be an important…

…management strategy to potentially reduce feed intake while maintaining adequate levels of nutrient supply, without altering performance (Klein et al., 2014). Reducing 17 frequency of supplementation should help to decrease the costs of production…

…associated with labor, fuel, equipment, and management (Loy et al., 2007; Cooke et al., 2008; Moriel et al., 2012a; Klein et al., 2014). However, a reduction in the frequency of supplementation could affect nutrient intake and the concentration of…

…compared with daily supplementation, without affecting feed efficiency, measured as G:F ratio (Loy et al., 2008). Reducing the frequency of supplementation of energy products with an elevated content of starch impairs rumen function, and decreases…

supplementation produced more steady concentrations of BUN and NEFA, there was no negative effect of reducing frequency of supplementation on cow performance or subsequent calf birth weights. Nutrient utilization differs among animals of different physiological…

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