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Effect of Increasing Protein Supplementation on Intake and Digestion of Bermudagrass Hays of Divergent Quality by Beef Cattle

2012
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Release : 2012
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Book Synopsis Effect of Increasing Protein Supplementation on Intake and Digestion of Bermudagrass Hays of Divergent Quality by Beef Cattle by : Catherine Pomeroy Payne

Download or read book Effect of Increasing Protein Supplementation on Intake and Digestion of Bermudagrass Hays of Divergent Quality by Beef Cattle written by Catherine Pomeroy Payne. This book was released on 2012. Available in PDF, EPUB and Kindle. Book excerpt: Bermudagrass (Cynodon dactylon (L) Pers.), one of the predominant forages in the southeastern US, varies in nutritive value in response to management and environmental factors. Beef cattle supplementation decisions are complicated by this variability. Therefore, our objective was to determine the effect of four protein supplementation levels (0, 82, 119 and 155 mg N/kg BW) on the utilization of three bermudagrass hays (5.6, 6.3, and 8.1 percent CP). Thirteen ruminally fistulated Angus x Hereford steers (BW = 330 plus/minus 19 kg) were used in a 13 x 4 incomplete Latin square design with 13 treatments. Treatments were arranged as a 3 x 4 factorial plus a control bermudagrass hay (10.8 percent CP). Hay was provided ad libitum and protein supplements were offered as range cubes once daily. Periods were 15 d with intake determinations made on d 10 through d 13 to correspond with fecal grab samples collected from d 11 through d 14. Acid detergent insoluble ash was used as an internal marker for determination of fecal output. Hay OM intake of unsupplemented steers increased linearly (P

Effects of Protein Supplementation and Forage Quality on Intake and Digestion in Cattle

2012
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Release : 2012
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Book Synopsis Effects of Protein Supplementation and Forage Quality on Intake and Digestion in Cattle by : Jamie Kunkel

Download or read book Effects of Protein Supplementation and Forage Quality on Intake and Digestion in Cattle written by Jamie Kunkel. This book was released on 2012. Available in PDF, EPUB and Kindle. Book excerpt: In many pasture and rangeland scenarios, low-quality forages (6-8% CP) are the primary energy source for some portion of the year. At these times, energy is typically the first limiting nutrient to the ruminant. Low-quality forages are generally not limited in availability; however, the high cell wall content and reduced levels of CP prevent ruminants from being able to extract the harvested energy. Without provision of supplemental nutrients, the available energy may be inadequate to meet performance expectations. Protein supplementation during periods of inadequate forage quality has been observed to alleviate ruminal nitrogen deficiencies and increase forage utilization. Increased forage utilization translates into greater energy extraction allowing for increased animal performance. The first trial was conducted to evaluate the effects of utilizing non-protein nitrogen (a slow-release urea compared to urea) on intake and digestion of beef steers consuming low-quality bermudagrass hay. Steers were provided ad libitum access to a low-quality bermudagrass hay (7.3 % CP and were ruminally dosed once daily with either urea or slow-release urea (SRU) at levels to provide 0, 64, 128, or 192 mg of N/kg of initial BW per day. Additionally, steers were supplemented with glycerol at levels of 0 or 0.1% of initial BW per day. Total OMI and forage OMI (FOMI) increased quadratically (P

Cumulated Index Medicus

1991 Medicine
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Author :
Release : 1991
Genre : Medicine
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Book Synopsis Cumulated Index Medicus by :

Download or read book Cumulated Index Medicus written by . This book was released on 1991. Available in PDF, EPUB and Kindle. Book excerpt:

Exogenous Fibrolytic Enzyme Or Anhydrous Ammonia Effects on the Nutritive Value, Intake, and Digestion Kinetics of Bermudagrass and the Growth of Beef Cattle

2009
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Release : 2009
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Book Synopsis Exogenous Fibrolytic Enzyme Or Anhydrous Ammonia Effects on the Nutritive Value, Intake, and Digestion Kinetics of Bermudagrass and the Growth of Beef Cattle by : Juan Jose Romero Gomez

Download or read book Exogenous Fibrolytic Enzyme Or Anhydrous Ammonia Effects on the Nutritive Value, Intake, and Digestion Kinetics of Bermudagrass and the Growth of Beef Cattle written by Juan Jose Romero Gomez. This book was released on 2009. Available in PDF, EPUB and Kindle. Book excerpt: ABSTRACT: The objectives were to compare the effect of exogenous fibrolytic enzyme (Biocellulase A20) or anhydrous ammonia (4% DM) treatment on the nutritive value, voluntary intake, and digestion kinetics of Coastal bermudagrass [Cynodon dactylon (L.) Pers.] hay harvested at two regrowth intervals and to determine if feeding the treated hays improves the growth of beef cattle. In Experiment 1, 6 individually housed, ruminally-cannulated Brangus steers (BW 216 " 6 kg) were used in an experiment with a 6 x 6 Latin square design with a 3 (additives) x 2 (regrowth intervals) factorial arrangement of treatments. Each period consisted of 14 days of adaptation, 7 days of digestibility measurements, 4 days of in situ degradability, 1 day of rumen rest and 1 day of rumen fluid fermentation measurements. Steers were fed hay ad libitum supplemented with sugar cane molasses and distillers grain at a rate that met maintenance energy requirements. Differences in prevailing weather conditions (e.g. temperature) during growth of the 5- and 13-wk hays were associated with greater fiber concentrations in the 5-wk hay. Ammonia treatment decreased most fiber fractions and increased the crude protein (CP) concentration particularly for the mature lignified 13-wk hay.

Effects of Crude Protein Content on Intake and Digestion of Coastal Bermudagrass Hay by Horses

2011
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Release : 2011
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Book Synopsis Effects of Crude Protein Content on Intake and Digestion of Coastal Bermudagrass Hay by Horses by : Chelsey L. Spurgin

Download or read book Effects of Crude Protein Content on Intake and Digestion of Coastal Bermudagrass Hay by Horses written by Chelsey L. Spurgin. This book was released on 2011. Available in PDF, EPUB and Kindle. Book excerpt: This study was conducted to determine the effect of forage CP level on intake and digestion of Coastal bermudagrass hay by horses. Four cecally fistulated geldings were used in a 4 x 4 Latin square design with four treatments and four periods. Horses were fed one of four Coastal bermudagrass hays consisting of 7, 10, 13, or 16% CP during each of the 4 15-d periods. Intake and apparent digestibility were determined for each horse at the end of each period by total fecal collection. In addition, cecal fluid and blood samples were collected from each horse on the last day of each period for determination of cecal ammonia, cecal pH, plasma urea nitrogen, and plasma glucose concentrations. Crude protein concentration of Coastal bermudagrass hay influenced equine intake and digestion. Increasing CP concentration linearly increased digestible OM intake (DOMI) from 3.79 to 5.98 kg/d for 7 and 16% CP hay, respectively (P = 0.04). Furthermore, as forage CP level increased, CP intake increased linearly (P

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