Ousama AlZahal
Ousama AlZahal
Research & Development Manager, AB Vista, United Kingdom
Verified email at abvista.com
TitleCited byYear
Bovine rumen epithelium undergoes rapid structural adaptations during grain-induced subacute ruminal acidosis
MA Steele, J Croom, M Kahler, O AlZahal, SE Hook, K Plaizier, ...
American Journal of Physiology-Regulatory, Integrative and Comparative …, 2011
1982011
Ruminal temperature may aid in the detection of subacute ruminal acidosis
O AlZahal, E Kebreab, J France, M Froetschel, BW McBride
Journal of Dairy Science 91 (1), 202-207, 2008
1112008
Ruminal acidosis and the rapid onset of ruminal parakeratosis in a mature dairy cow: a case report
MA Steele, O AlZahal, SE Hook, J Croom, BW McBride
Acta Veterinaria Scandinavica 51 (1), 39, 2009
982009
Rumen epithelial adaptation to high-grain diets involves the coordinated regulation of genes involved in cholesterol homeostasis
MA Steele, G Vandervoort, O AlZahal, SE Hook, JC Matthews, ...
Physiological Genomics 43 (6), 308-316, 2011
932011
Technical note: A system for continuous recording of ruminal pH in cattle
O AlZahal, B Rustomo, NE Odongo, TF Duffield, BW McBride
Journal of animal science 85 (1), 213-217, 2007
922007
Effects of monensin and dietary soybean oil on milk fat percentage and milk fatty acid profile in lactating dairy cows
O AlZahal, NE Odongo, T Mutsvangwa, MM Or-Rashid, TF Duffield, ...
Journal of Dairy Science 91 (3), 1166-1174, 2008
842008
Effects of mild heat stress and grain challenge on acid-base balance and rumen tissue histology in lambs
NE Odongo, O AlZahal, MI Lindinger, TF Duffield, EV Valdes, SP Terrell, ...
Journal of animal science 84 (2), 447-455, 2006
832006
A mathematical approach to predicting biological values from ruminal pH measurements
O AlZahal, E Kebreab, J France, BW McBride
Journal of dairy science 90 (8), 3777-3785, 2007
782007
Rumen epithelial adaptation to ruminal acidosis in lactating cattle involves the coordinated expression of insulin-like growth factor-binding proteins and a cholesterolgenic enzyme
MA Steele, L Dionissopoulos, O AlZahal, J Doelman, BW McBride
Journal of dairy science 95 (1), 318-327, 2012
582012
Effects of monensin on ruminal forage degradability and total tract diet digestibility in lactating dairy cows during grain-induced subacute ruminal acidosis
JK Osborne, T Mutsvangwa, O Alzahal, TF Duffield, R Bagg, P Dick, ...
Journal of dairy science 87 (6), 1840-1847, 2004
582004
The effect of dietary fiber level on milk fat concentration and fatty acid profile of cows fed diets containing low levels of polyunsaturated fatty acids
O AlZahal, MM Or-Rashid, SL Greenwood, MS Douglas, BW McBride
Journal of dairy science 92 (3), 1108-1116, 2009
502009
The use of a radiotelemetric ruminal bolus to detect body temperature changes in lactating dairy cattle
O AlZahal, H AlZahal, MA Steele, M Van Schaik, I Kyriazakis, TF Duffield, ...
Journal of dairy science 94 (7), 3568-3574, 2011
462011
Effects of rumen acid load from feed and forage particle size on ruminal pH and dry matter intake in the lactating dairy cow
B Rustomo, O AlZahal, NE Odongo, TF Duffield, BW McBride
Journal of Dairy Science 89 (12), 4758-4768, 2006
462006
Active dry Saccharomyces cerevisiae can alleviate the effect of subacute ruminal acidosis in lactating dairy cows
O AlZahal, L Dionissopoulos, AH Laarman, N Walker, BW McBride
Journal of dairy science 97 (12), 7751-7763, 2014
422014
Technical note: The use of a telemetric system to continuously monitor ruminal temperature and to predict ruminal pH in cattle
O AlZahal, MA Steele, EV Valdes, BW McBride
Journal of dairy science 92 (11), 5697-5701, 2009
402009
The periparturient period is associated with structural and transcriptomic adaptations of rumen papillae in dairy cattle
MA Steele, C Schiestel, O AlZahal, L Dionissopoulos, AH Laarman, ...
Journal of dairy science 98 (4), 2583-2595, 2015
392015
Studies on the production of conjugated linoleic acid from linoleic and vaccenic acids by mixed rumen protozoa
MM Or-Rashid, O AlZahal, BW McBride
Applied microbiology and biotechnology 81 (3), 533-541, 2008
342008
Acidogenic value of feeds II. Effects of rumen acid load from feeds on dry matter intake, ruminal pH, fibre degradability and milk production in the lactating dairy cow
B Rustomo, O AlZahal, JP Cant, MZ Fan, TF Duffield, NE Odongo, ...
Canadian journal of animal science 86 (1), 119-127, 2006
322006
Fatty acid profile of colostrum and milk of ewes supplemented with fish meal and the subsequent plasma fatty acid status of their lambs
MM Or-Rashid, R Fisher, N Karrow, O AlZahal, BW McBride
Journal of animal science 88 (6), 2092-2102, 2010
272010
Comparative studies on the metabolism of linoleic acid by rumen bacteria, protozoa, and their mixture in vitro
MM Or-Rashid, O AlZahal, BW McBride
Applied microbiology and biotechnology 89 (2), 387-395, 2011
252011
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