Dairy Research Summary
Celmanax® Research
The Effect of Yeast Culture (YC), Mannan Oligiosaccharide (MOS) and Enzymatically Hydrolyzed Yeast (EHY) on Production Performance in Dairy Cattle
Conclusion: Cows supplemented with A-Max® and Celmanax produced more milk, FCM and ECM than non-supplemented cows. Milk protein percentage was higher for cows supplemented with Celmanax compared to DV/MOS. Protein yields were higher for A-Max and Celmanax supplemented cows compared to control and DV/MOS. Somatic cell count was lower for cows supplemented with products containing MOS; however, there was a significant Pen (trt) effect.
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The Effect of Yeast Culture (YC) and Mannan Oligiosaccharide (MOS) and Enzymatically Hydrolyzed Yeast (EHY) on Production Performance in Dairy Cattle
Conclusion: Cows supplemented with Celmanax produced more milk, FCM, and ECM than non-supplemented cows. Milk protein percentage was higher for cows supplemented with Celmanax compared to DV/MOS. Protein yields were higher for Celmanax supplemented cows compared to Control and DV/MOS. Somatic cell count was lower for cows supplemented with Celmanax and DV/MOS; however, there was a significant Pen (trt) effect.
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The Effect of Enzymatically Hydrolyzed Yeast (EHY, Celmanax) on Production Performance in Dairy Cattle
Conclusion: Cows supplemented with Celmanax produced more milk, FCM, ECM, and higher milk protein percentage than non-supplemented cows. Fat, protein, and SNF yields were higher for Celmanax supplemented cows compared to Control. Somatic cell count was lower for cows supplemented with Celmanax.
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The Effect of Enzymatically Hydrolyzed Yeast (EHY, Celmanax) on Production Performance in Dairy Cattle
Conclusion: Cows (multiparous, 1-84 DIM) supplemented with Celmanax produced 1.8 kg more milk than non-supplemented cows, however, this was not statistically significant (P>.05). Milk composition and yield was not affected by Celmanax supplementation. Clinical mastitis cases and cows with somatic cell count > 400,000 was lower for cows supplemented with Celmanax compared to control.
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Celmanax Liquid in Dairy Calf Milk Replacers
Conclusion: Adding Celmanax Liquid provided a significant benefit in this farm by improving weight gain, feed efficiency, and reducing medical costs.
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Celmanax Liquid in Dairy Calf Milk Replacers
Conclusion: Adding Celmanax Liquid provided a significant benefit to this trial by improving weight gain, feed/gain, and reducing medical costs.
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Effect of Celmanax Liquid on Crypto Oocyst Shedding, Fecal, and Dehydration Scores in Infected Dairy Calves: a Field Demonstration
Conclusion: Calves supplemented with Celmanax Liquid shed 3 fold less oocysts and had significantly improved fecal and dehydration scores.
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Effects of Celmanax Liquid on Jejunal Hemorrhage Syndrome, E. Coli Adhesion, and Mycotoxin Induced Cytotoxicity
Conclusion: From samples of jejunum and digesta from 13 cows dying from JHS, O157:H7 and non- O157:H7 Shiga toxin producing serovars of E. coli were isolated, along with several mycotoxigenic fungi of the Penicillium, Aspergillus, Fusarium and Tricothecene families. In a dose dependent manner, Celmanax Liquid significantly reduced the adherence of E. coli O157:H7 to explants of healthy jejunal tissue. Lastly, Celmanax Liquid eliminated the cytotoxic effects of both purified mycotoxins and extracts from moldy forages when added to a culture of jejunal cells. Celmanax Liquid may be able to play a significant role in reducing the effects of some pathogenic bacteria, mycotoxins and the incidence of JHS.
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A Comparison of Celmanax, Dried With or Without a Carrier, on Production Performance in Lactating Dairy Cows
Conclusion: These results demonstrate that the performance of Celmanax SCP is equivalent to that of Celmanax Dry in lactating dairy cows.
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Effect of Celmanax SCP in Dairy Calves
Conclusion: Calves supplemented with Celmanax SCP showed numerical improvement in weight gain.
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Effect of Celmanax SCP on Calf Performance When Fed in the Milk Replacer and Grower Phase
Conclusion: Calves supplemented with Celmanax SCP showed numerical improvement in weight gain and feed efficiency.
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A-Max ® Research –
West Virginia University
The Effects of A-Max Yeast Culture and Diamond V Yeast Culture on Feedstuff Digestion and Ruminal Fermentation
Conclusion: Inclusion of A-Max led to beneficial changes in ruminal metabolism which may result in increased production efficiency in beef and dairy cattle. Particularly, simulation of the lactic acid utilizing bacteria by A-Max would be a significant benefit for the ruminants consuming diets with high levels of cereal grains to alleviate lactic acidosis.
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The Effect of A-Max Yeast Culture and Diamond V Yeast Culture on Microbial Metabolism in Continuous Culture
Conclusion: A higher pH at critical times after feeding (i.e.2h) promotes a healthier rumen. The higher protein content in microbes fed A-Max indicates these bacteria would be of greater nutritional value to the host than those from Diamond V. In a lactating cow diet (DMI:54 lb/ d), A-Max supplemented diets would produce 256 g more microbial protein than Diamond V supplemented diets, which would be equivalent to approximately .7 lb. of fishmeal/ cow/ d or $.32/ cow/ d assuming a $900/ ton value for fish meal.
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The Effect of A-Max Yeast Culture Concentrate (Two Ounce) vs A-Max Yeast Culture Xtra (One Ounce) on Microbial Metabolism in Continuous Culture of Rumen Contents
Conclusion: A-Max XTRA fed at 1 oz./ h/ d can replace A-Max Concentrate, fed at 2 oz./ h/ d with an equal effect on rumen microbial metabolism.
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The Effect of A-Max Yeast Culture Xtra (One Ounce) vs A-Max Yeast Culture Ultra (One-Half Ounce) on Rumen Microbial Metabolism in Continuous Culture
Conclusion: The carrier to liquid fermentate ratio used to manufacture A-Max can be widened such that a .5 oz./ cow/ d product (A-Max ULTRA) has the same efficacy in the rumen as a product fed at 1 oz./ h/ d (A-Max XTRA).
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A-Max Research – UC Davis / University of California
The Effect of Feeding A-Max Yeast Culture on Performance of High-Producing Dairy Cows in Summer Heat Stress
Conclusion: Cows receiving A-Max yeast in hot ambient temperatures increased milk production by 1.2 kg (2.6 lb) with a .047/ cow/ day reduction in fat percentage but not yield. No other percentages were affected, however milk component yields were increased. The addition of A-Max had a positive affect on foot health.
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A-Max Research –
Spruce Haven Research Farms
A Comparison of A-Max Yeast Culture Concentrate and Diamond V XP Yeast Culture on Milk Production in Dairy Cows
Conclusion: A-Max Concentrate performed equally and numerically better than Diamond V XP in milk production. Assuming a $13.00/ cwt of milk, feeding A-Max would result in $.22/ cow/ day more return than feeding Diamond V.
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The Effect of Custom-Blend Yeast Product (CBYP) vs Diamond V XP on Milk Production Performance in Lactating Dairy Cattle
Conclusion: Cows supplemented with Diamond V XP and Vi-COR CBYP produced similar amounts of milk and milk components.
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The Effect of Yeast Culture (YC, A-Max) on Production Performance in Dairy Cattle
Conclusion: Cows supplemented with A-Max produced more milk, FCM and ECM than non supplemented cows. Fat, protein, and SNF yields were higher for A-Max supplemented cows compared to Control.
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