Results 171 to 180 of about 1,476,534 (210)

Synergistic effects of <em>Leucaena leucocephala</em>-ginger phytogenic pellet on rumen fermentation, microbial protein synthesis, and enteric methane mitigation in Thai native beef cattle. [PDF]

Vet World
Wadjeam P, Phesatcha K, Matra M, Ampapon T, Phesatcha B.   +4 more
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Monitoring of ruminal pH in peripartal period in dairy cow

, 2016
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Internal Vomiting in the Ruminant: Effect of Apomorphine on Ruminal pH in Sheep

American Journal of Veterinary Research, 1981
SUMMARY Five sheep, with a rumen fistula inserted, were each injected (iv) with apomorphine (18 mg) and ruminal pH was measured every 5 minutes during a 1-hour period. During the base-line period (30 minutes) that preceded apomorphine injection, pH was constant in individual sheep and the group mean (± sd) was 7.1 ± 0.35. After apomorphine was injected,
H, Eiler, W A, Lyke, R, Johnson
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Modulation of sheep ruminal urea transport by ammonia and pH

American Journal of Physiology-Regulatory, Integrative and Comparative Physiology, 2014
Ruminal fermentation products such as short-chain fatty acids (SCFA) and CO2acutely stimulate urea transport across the ruminal epithelium in vivo, whereas ammonia has inhibitory effects. Uptake and signaling pathways remain obscure. The ruminal expression of SLC14a1 (UT-B) was studied using polymerase chain reaction (PCR).
Zhongyan, Lu, Friederike, Stumpff, Carolin, Deiner, Julia, Rosendahl, Hannah, Braun, Khalid, Abdoun, Jörg R, Aschenbach, Holger, Martens   +7 more
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Ruminant Nutrition Symposium: Role of fermentation acid absorption in the regulation of ruminal pH.

Journal of animal science, 2011
Highly fermentable diets are rapidly converted to organic acids [i.e., short-chain fatty acids (SCFA) and lactic acid] within the rumen. The resulting release of protons can constitute a challenge to the ruminal ecosystem and animal health. Health disturbances, resulting from acidogenic diets, are classified as subacute and acute acidosis based on the ...
J R, Aschenbach, G B, Penner, F, Stumpff, G, Gäbel   +3 more
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Continuous long-term monitoring of ruminal pH

Sensors and Actuators B: Chemical, 2010
Up to now continuous long-term monitoring of ruminal pH in dairy cows, which is necessary to detect and to treat subacute rumen acidosis (SARA) effectively, is not possible due to the lack of transmitters that meet all the requirements of this application.
J. Zosel, H. Kaden, G. Peters, M. Hoffmann, P. Rudisch, L. Jäkel, G. Lauckner, A. Grodrian, U. Guth   +8 more
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Effects of corn stalk inclusion rate on rumination and ruminal pH in finishing beef steers

Applied Animal Science, 2020
ABSTRACT Objective The objective of this experiment was to measure feedlot performance, rumination, ruminal pH, and carcass characteristics of cattle consuming a finishing diet with increasing levels of corn stalks (CS). Materials and Methods Fifty cross-bred steers (initial BW = 302 ± 27 kg) were randomly allocated to 1 of 3 dietary treatments:
J.S. Jennings, C.L. Lockard, L.O. Tedeschi, T.E. Lawrence   +3 more
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Continuous monitoring of ruminal pH using wireless telemetry

Animal Production Science, 2009
This paper describes the performance of a prototype telemetric intraruminal bolus that measures and records pH continuously, can be delivered orally to the reticulum via bolling gun, has no external attachments and allows unrestricted activity of the animal.
Phillips, N., Mottram, T., Poppi, D., Mayer, D., McGowan, M. R.   +4 more
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The role of pH in regulating ruminal methane and ammonia production.

Journal of Animal Science, 1998
When steers (n = 4) were fed increasing amounts of concentrate (0, 45, or 90% of DM) and decreasing amounts of forage, the VFA concentration increased (P < .001) and ruminal pH, acetate:propionate ratio, and dissociated ammonia declined (P < .001). Acetate:propionate ratio and dissociated ammonia were highly correlated (r2 = .82 and .65, respectively ...
R P, Lana, J B, Russell, M E, Van Amburgh   +2 more
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[Comparative measurements on ruminal pH-value in cattle].

Berliner und Munchener tierarztliche Wochenschrift, 2010
Subacute rumen acidosis (SARA) of ruminants is an important factor in terms of animal health, especially in high yielding cattle. In order to find an accurate method to determine the ruminal pH-value, three methods using eight rumen cannulated cattle were compared. An indwelling measuring unit (sensor) was used for continuous measurement of the ruminal
Katrin, Schneider, Johann, Gasteiner, Thomas, Guggenberger, Marcus, Urdl, Simone, Steiner, Anita, Neidl, Nina, Linhart, Walter, Baumgartner   +7 more
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