EFFECTS OF SUPPLEMENTATION WITH SILAGE ON FORAGE INTAKE AND KINETICS OF DIGESTA FLOW OF CATTLE ON PASTURE

1984 ◽  
Vol 64 (5) ◽  
pp. 335-336
Author(s):  
G. W. HORN ◽  
M. J. FORD ◽  
W. A. PHILLIPS
Keyword(s):  
Key Words ◽  
Cattle Grazing ◽  
Fecal Output ◽  
Grazing Cattle ◽  
Growing Cattle ◽  
Forage Intake ◽  
Intake Flow ◽  
Kinetics Of

Effects of increasing silage intakes by growing cattle grazing wheat and bermudagrass pastures on forage intake, flow, turnover, fill and fecal output were studied. Increasing intakes of silage increased flow of wheat forage and appeared to have associative effects on wheat forage intake, whereas intake of bermudagrass decreased linearly as silage intake increased. Key words: Forage intake, grazing cattle, silage

Growth Response to Escape Protein and Forage Intake by Growing Cattle Grazing Cornstalks

1989 ◽  
Vol 67 (2) ◽  
pp. 574 ◽  
Author(s):  
S. Fernandez-Rivera ◽  
T. J. Klopfenstein ◽  
R. A. Britton
Keyword(s):  
Growth Response ◽  
Cattle Grazing ◽  
Growing Cattle ◽  
Forage Intake

IONOPHORE EFFECTS ON COMPOSITION OF GROWTH AND DIGESTIVE TRACT FILL IN GRAZING CATTLE

1984 ◽  
Vol 64 (5) ◽  
pp. 130-131
Author(s):  
FLOYD M. BYERS ◽  
GERALD T. SCHELLING
Keyword(s):  
Body Composition ◽  
Key Words ◽  
Digestive Tract ◽  
Cattle Grazing ◽  
High Quality ◽  
Grazing Cattle ◽  
Cereal Grain ◽  
Winter Annual

Ionophores consistently reduced digestive tract fill in cattle grazing high quality winter annual cereal grain forages, and differentially reduced or did not affect fill of cattle grazing lower quality forages. Key words: Ionophores, fill, body composition, grazing, forages

scholarly journals Colorimetric method as alternative to chromium (III) quantification in cattle feces

2020 ◽  
Vol 42 ◽  
pp. e48096
Author(s):  
Alexandra Torres Ospina ◽  
Julian Andrés Zapata ◽  
Jesus Humberto Gil Gonzalez ◽  
Luis Giraldo ◽  
Diana Marcela Valencia
Keyword(s):  
Low Cost ◽  
Colorimetric Method ◽  
Reference Method ◽  
Chromium Dioxide ◽  
Digestion Time ◽  
Fecal Output ◽  
Grazing Cattle ◽  
Wide Range ◽  
Forage Intake ◽  
Stability Results

 One of the main factors to establish productivity of grazing cattle is the estimation of forage intake. For this, the most widely used technique is based on the estimation of fecal output using chromium dioxide as external marker. However, quantification can be expensive and sometimes not precise due to the methodology used for this purpose. Therefore, the aim of this study was to validate the colorimetric method for chromium quantification and to implement it in the estimation of fecal output in grazing cattle. The temperature, the digestion time and the wavelength for the measurement were evaluated. The method was validated for selectivity, linearity, detection and quantification limits, precision, accuracy, and stability. Results showed that temperature and digestion time are critical to improve sensitivity and quantification limits. The validation demonstrated that the method is suitable for the quantification of Cr2O3 in a wide range of concentrations, being statistically comparable with a reference method, and offering a reliable low cost and easy to implement alternative, to estimate fecal output in bovine digestibility studies.

Effect of summer cattle grazing on aspen stem injury, mortality and growth

2004 ◽  
Vol 80 (2) ◽  
pp. 257-261 ◽  
Author(s):  
Craig W.M. Dockrill ◽  
Peter V Blenis ◽  
Arthur W Bailey ◽  
Jane R King
Keyword(s):  
Adverse Effect ◽  
Key Words ◽  
Fibre Production ◽  
Cattle Grazing ◽  
Injury Mortality ◽  
Grazing Cattle ◽  
June July

Conflicts may arise between cattle and aspen fibre production if both occur on the same landbase. The effect of cattle on aspen regeneration was evaluated by determining the effect of four treatments (No grazing, June-only grazing, July-only grazing and continuous June-July grazing on five variables (aspen height and density, percentage of aspen trampled, foraged and dead). Continuous June-July grazing impeded aspen regeneration relative to the control. The effect of cattle on aspen mortality was likely indirect, rather than a consequence of foraging and trampling. Reducing stocking levels or delaying cattle grazing may be necessary to reduce the adverse effect of cattle grazing on aspen regeneration. Key words: grazing, cattle, aspen, regeneration, browsing, trampling

scholarly journals 62 Effects of forage allowance and supplementation on performance of steers grazing wheat pasture

2020 ◽  
Vol 98 (Supplement_2) ◽  
pp. 29-29
Author(s):  
Kynzie McNeill ◽  
Ryan R Reuter ◽  
Paul A Beck
Keyword(s):  
Linear Regression ◽  
Cattle Grazing ◽  
Combined Effect ◽  
Experimental Unit ◽  
Minimal Effect ◽  
Soybean Hulls ◽  
Fecal Output ◽  
Stocker Cattle ◽  
Wheat Pasture ◽  
High Forage

Abstract A 72-d trial was conducted to estimate the combined effect of forage allowance and a fiber-based energy supplement in stocker cattle grazing wheat. Eight pastures (2.7 to 5.1 ha) each contained seven test steers (initial BW = 210 ± 36 kg). Weekly, additional steers were stocked in each pasture in a put and take method to achieve forage allowance of either 2.5 or 5.5 kg forage DM / kg steer BW (4 pastures each). Two pastures in each forage allowance were fed daily with a supplement containing 50% wheat midds and 50% soybean hulls at the rate of 1.5 kg per steer. Forage mass was measured twice weekly using a calibrated rising plate meter. Cattle were weighed weekly on calibrated scales. Data were analyzed using linear regression with pasture as the experimental unit. Mean ADG was 1.36 kg/d. One pasture in the high forage allowance, non-supplemented treatment was removed because we were unable to maintain the designed forage allowance. The interaction of forage allowance and supplement was not significant (P = 0.37) for ADG, and supplementation did not affect ADG (P = 0.20), however increased forage allowance tended to improve ADG (P = 0.06, 0.21 kg ADG per kg forage allowance). To further investigate forage DMI, a 14-d trial began on day 36. Three of the seven test steers in each pasture were randomly chosen and administered 7 ± 0.1 g of TiO2 daily at 0700 as an external marker to estimate fecal output. Forage DMI (at an assumed 72% DM digestibility) averaged 2.1% of midpoint BW, below our expectation. Additional forage allowance tended to improve estimated forage DMI (P= 0.06), but supplement had minimal effect (P = 0.30).

Evaluation of Supplementation Programs for Growing Cattle Grazing Tall Fescue1

2006 ◽  
Vol 22 (4) ◽  
pp. 325-333 ◽  
Author(s):  
P.A. Beck ◽  
S.A. Gunter ◽  
J.M. phillips
Keyword(s):  
Cattle Grazing ◽  
Growing Cattle

Estimating water consumption and factors affecting intake in grazing cattle

1994 ◽  
Vol 74 (3) ◽  
pp. 551-554 ◽  
Author(s):  
Shaukat Ali ◽  
L. A. Goonewardene ◽  
J. A. Basarab
Keyword(s):  
Relative Humidity ◽  
Key Words ◽  
Water Consumption ◽  
Important Determinant ◽  
Daily Temperature ◽  
Maximum Daily Temperature ◽  
Factors Affecting ◽  
Percentage Decrease ◽  
Grazing Cattle

Water consumption (WC) by 39.5 animal units (AU) of grazing cattle was studied at a central Alberta site in summer. Average WC AU−1 was estimated at 48.9 L d−1. WC increased by 0.68 L AU−1 (P < 0.01) for each percentage decrease in relative humidity, increased by 0.81 L AU−1 (P < 0.02) for each degree Celsius increase in maximum daily temperature, and increased by 0.15 L AU−1 (P < 0.06) as cattle grew and the season progressed. Relative humidity is shown to be an important determinant of WC in grazing cattle. Key words: Water consumption, animal unit, temperature, humidity, grazing cattle

A Simulation Model of Forage Yield, Quality and Intake and Growth of Growing Cattle Grazing Cornstalks

1989 ◽  
Vol 67 (2) ◽  
pp. 581 ◽  
Author(s):  
S. Fernandez-Rivera ◽  
M. Lewis ◽  
T. J. Klopfenstein ◽  
T. L. Thompson
Keyword(s):  
Simulation Model ◽  
Cattle Grazing ◽  
Forage Yield ◽  
Growing Cattle ◽  
Yield Quality

Supplementation of growing cattle grazing warm-season grass with proteins of various ruminal degradabilities

1993 ◽  
Vol 71 (2) ◽  
pp. 522-529 ◽  
Author(s):  
J. L. Hafley ◽  
B. E. Anderson ◽  
T. J. Klopfenstein
Keyword(s):  
Warm Season ◽  
Cattle Grazing ◽  
Warm Season Grass ◽  
Growing Cattle
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