Starch source in high concentrate rations does not affect rumen pH, histamine and lipopolysaccharide concentrations in dairy cows

Pilachai, R.; Schonewille, J.T.; Thamrongyoswittayakul, C.; Aiumlamai, Suneerat; Wachirapakorn, C.; Everts, H.; Hendriks, W.H.

doi:10.1016/j.livsci.2012.08.009

Cited by 13 publications

(18 citation statements)

References 42 publications

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“…The current observations with respect to the occurrence of laminitis (3 of 5 heifers in the HC-TMR group) are consistent with previous work of Pilachai et al (2012) and Pilachai (2013). In these studies, 3 out of the 4 (Pilachai et al, 2012) and 4 out of the 6 (Pilachai, 2013) animals showed clear signs of subacute laminitis when high cassava rations were fed. In these experiments, the cassava rich treatments caused increased rumen VFA concentrations with a concomitant shift from acetic to propionic acid and increased rumen lactic acid concentrations (Pilachai et al, 2012;Pilachai, 2013).…”

Section: Discussionsupporting

confidence: 93%

“…135 pmol/L (van Knegsel et al, 2007) and 118 pmol/L (Kerestes et al, 2009). The current observations with respect to the occurrence of laminitis (3 of 5 heifers in the HC-TMR group) are consistent with previous work of Pilachai et al (2012) and Pilachai (2013). In these studies, 3 out of the 4 (Pilachai et al, 2012) and 4 out of the 6 (Pilachai, 2013) animals showed clear signs of subacute laminitis when high cassava rations were fed.…”

Section: Discussionsupporting

confidence: 92%

“…High concentrate rations generally contain a high proportion of rapidly fermentable carbohydrates which not only entails a risk of rumen acidosis, but may also decrease insulin sensitivity (Holtenius et al, 2003). In earlier studies, Pilachai et al (2012) successfully induced (sub) clinical laminitis with the use of high concentrate rations but in these studies, insulin sensitivity was not investigated.…”

Section: Research Articlementioning

confidence: 99%

“…The relevance of a number of these risk factors, however, has recently been questioned. Pilachai et al (2012) and Pilachai (2013) observed cases of (sub) clinical laminitis that could not be explained by the observed concentrations of lipopolysaccharide (LPS), lactic acid or histamine in either rumen fluid or plasma. Moreover, systemic infusions of either LPS or histamine did not induce laminitis in horses (Boosman et al, 1991), thereby indicating that these components may be secondary metabolites associated with a hitherto unknown factor.…”

Section: Introductionmentioning

confidence: 99%

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Effect of High Cassava Ration on Insulin Sensitivity and Clinical Signs of Laminitis in Dairy Heifers

Pilachai¹

2019

PVJ

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The relationship between high intake of rapidly fermentable carbohydrates and the subsequent response on plasma glucose, insulin sensitivity and clinical signs of laminitis in dairy heifers was studied. Ten dairy heifers with a mean body weight of 275 kg (SD 13.8 kg), were parallelly subjected (n=5/treatment group) to either a total mixed ration (TMR) low (LC, 130 g DM/kg) or high (HC, 480 g DM/kg) in cassava (starch). Results showed that mean DM intake, rectal temperature, heart rate, respiration rate and rumen contractions were not affected by the dietary treatments. All heifers fed the HC-TMR had diarrhea while all the heifers fed the LC-TMR had a pasty, soft consistency of feces. Three of the 5 heifers fed the HC-TMR displayed clinical signs of acute laminitis compared to none in the LC-TMR group. Mean postprandial rumen pH values of heifers fed the HC-TMR, but not the LC-TMR, were lower than 6.0 at all the time points measured. The reduction in rumen pH was associated with 49% greater concentration of total VFA and a concomitant shift from acetic to propionic acid and increased rumen lactic acid concentrations. Moreover, the HC-TMR caused greater plasma insulin levels and insulin resistance. The three laminitis animals had 1.9 greater basal plasma insulin values and a 46% lower insulin sensitivity values, respectively compared to their non-laminitis counterparts fed the HC-TMR. Insulin sensitivity was shown to be associated with clinical signs of laminitis in heifers only when plasma insulin concentrations were greater than ~ 700 pmol/L.

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Section: Discussionsupporting

confidence: 93%

Section: Discussionsupporting

confidence: 92%

Section: Research Articlementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Effect of High Cassava Ration on Insulin Sensitivity and Clinical Signs of Laminitis in Dairy Heifers

Pilachai¹

2019

PVJ

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“…Feedlots or herds with high incidence of locomotory problems such as laminitis, foot rot, and claw lesions might be more likely to experience ruminal acidosis (González et al, 2012). In recent studies by Pilachai et al (2012), the feeding of high amounts of starch rich concentrates (i.e. 10.5 kg DM containing 40% starch) in combination with a low roughage intake (i.e.…”

Section: Introductionmentioning

confidence: 99%

Effects of high concentrate:forage ratio diets containing monensin on the management of ruminal acidosis in Gezhel lambs

Safaei

Tahmasbi

Moghaddam

2014

Small Ruminant Research

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Hydrate sodium calcium aluminosilicate does not reduce rumen lipopolysacharide concentrations in cows

Pilachai¹,

Schonewille²,

Thamrongyoswittayakul³

et al. 2014

Animal Feed Science and Technology

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Starch source in high concentrate rations does not affect rumen pH, histamine and lipopolysaccharide concentrations in dairy cows

Cited by 13 publications

References 42 publications

Effect of High Cassava Ration on Insulin Sensitivity and Clinical Signs of Laminitis in Dairy Heifers

Effect of High Cassava Ration on Insulin Sensitivity and Clinical Signs of Laminitis in Dairy Heifers

Effects of high concentrate:forage ratio diets containing monensin on the management of ruminal acidosis in Gezhel lambs

Hydrate sodium calcium aluminosilicate does not reduce rumen lipopolysacharide concentrations in cows

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