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Use of dicarboxylic acids and polyphenols to attenuate reticular pH drop and acute phase response in dairy heifers fed a high grain diet

De Nardi, Roberta; Marchesini, Giorgio; Plaizier, Jan C; Li, Shucong; Khafipour, Ehsan; Ricci, Rebecca; Andrighetto, Igino; Segato, Severino (2014-11-26)

Abstract Background The aim of this study was to determine the ability of two feed additives, a fumarate-malate (FM) and a ...

Saccharomyces cerevisiae fermentation products (SCFP) stabilize the ruminal microbiota of lactating dairy cows during periods of a depressed rumen pH

Tun, Hein M; Li, Shucong; Yoon, Ilkyu; Meale, Sarah J; Azevedo, Paula A; Khafipour, Ehsan; Plaizier, Jan C (2020-07-11)

Abstract Background Effects of Saccharomyces cerevisiae fermentation products (SCFP) on rumen microbiota were determined in vitro and in vivo under a high and a depressed pH. The in vitro trial determined the effects of ...

Indicators of induced subacute ruminal acidosis (SARA) in Danish Holstein cows

Danscher, Anne M; Li, Shucong; Andersen, Pia H; Khafipour, Ehsan; Kristensen, Niels B; Plaizier, Jan C (2015-07-17)

Abstract Background The prevalence of subacute ruminal acidosis (SARA) in dairy cows is high with large impact on economy and welfare. Its current field diagnosis is based on ...

Metagenomic analysis of rumen microbial population in dairy heifers fed a high grain diet supplemented with dicarboxylic acids or polyphenols

De Nardi, Roberta; Marchesini, Giorgio; Li, Shucong; Khafipour, Ehsan; Plaizier, Kees J C; Gianesella, Matteo; Ricci, Rebecca; Andrighetto, Igino; Segato, Severino (2016-02-19)

Abstract Background The aim of this study was to investigate the effects of two feed supplements on rumen bacterial communities of heifers fed a high grain diet. Six ...