Responses to Starch Infusion on Milk Synthesis in Low Yield Lactating Dairy Cows
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The effect of starch infusion on production, metabolic parameters and relative mRNA abundance was investigated in low yield lactating cows from 86 days in milk. Six Holstein cows fitted with permanent ruminal cannulas were arranged into one of two complete 3×3 Latin squares and infused with a starch solution containing 800 grams starch for 16 days. The three treatments were: i) ruminal and abomasal infusion with water (Control); ii) ruminal infusion with cornstarch solution and abomasal infusion with water (Rumen); iii) ruminal infusion with water and abomasal infusion with cornstarch solution (Abomasum). There were no significant differences (p>0.05) among the three treatments with low yield lactating cows in feed and energy intake, milk yield and composition, plasma metabolism, or even on gene expression. However, cows receiving starch through rumen performed better than directly through the abomasum during the glucose tolerance test procedure with a higher area under the curve (AUC; p = 0.08) and shorter half-time (t1/2; p = 0.11) of plasma insulin, therefore, it increased glucose disposal, which stated a lipid anabolism other than mobilization after energy supplementation. In conclusion, extra starch infusion at concentration of 800 g/d did not enhance energy supplies to the mammary gland and improve the lactating performance in low yield lactating cows.
Abstract
The effect of starch infusion on production, metabolic parameters and relative mRNA abundance was investigated in low yield lactating cows from 86 days in milk. Six Holstein cows fitted with permanent ruminal cannulas were arranged into one of two complete 3×3 Latin squares and infused with a starch solution containing 800 grams starch for 16 days. The three treatments were: i) ruminal and abomasal infusion with water (Control); ii) ruminal infusion with cornstarch solution and abomasal infusion with water (Rumen); iii) ruminal infusion with water and abomasal infusion with cornstarch solution (Abomasum). There were no significant differences (p>0.05) among the three treatments with low yield lactating cows in feed and energy intake, milk yield and composition, plasma metabolism, or even on gene expression. However, cows receiving starch through rumen performed better than directly through the abomasum during the glucose tolerance test procedure with a higher area under the curve (AUC; p = 0.08) and shorter half-time (t1/2; p = 0.11) of plasma insulin, therefore, it increased glucose disposal, which stated a lipid anabolism other than mobilization after energy supplementation. In conclusion, extra starch infusion at concentration of 800 g/d did not enhance energy supplies to the mammary gland and improve the lactating performance in low yield lactating cows.
참고문헌 (30)
- Al-Trad, B., "Increasing intravenous infusions of glucose improve body condition but not lactation performance in midlactation dairy cows", J. Dairy Sci, 92, pp.5645~5658 (2009)
- Al-Trad, B., "Expression and activity of key hepatic gluconeogenesis enzymes in response to increasing intravenous infusions of glucose in dairy cows", J. Anim. Sci, 88, pp.2998~3008 (2010)
- Bauman, D. E., "Bovine somatotropin and lactation: From basic science to commercial application", Domest. Anim. Endocrinol, 17, pp.101~106 (1999)
- Beglinger, C., "Gastrointestinal satiety signals in humans — Physiologic roles for GLP-1 and PYY?", Physiol. Behav, 89, pp.460~464 (2006)
- Boudon, A., "Effects of rumen or duodenal glucose infusions on intake in dairy cows fed fresh perennial ryegrass indoors", J. Dairy Sci, 90, pp.4397~4410 (2007)
- Braissant, O., "Differential expression of peroxisome proliferatoractivated receptors(PPARs) : Tissue distribution of PPARalpha, -beta, and-gamma in the adult rat", Endocrinology, 137, pp.354~366 (1996)
- Coppock, C. E., "Energy nutrition and metabolism of the lactating dairy cow", J. Dairy Sci, 68, pp.3403~3410 (1985)
- Drackley, J. K., "Infusion of long-chain fatty acids varying in saturation and chain length into the abomasum of lactating dairy cows", J. Dairy Sci, 75, pp.1517~1526 (1992)
- Drackley, J. K., "Responses to increasing amounts of high-oleic sunflower fatty acids infused into the abomasum of lactating dairy cows", J. Dairy Sci, 90, pp.5165~5175 (2007)
- Duhlmeier,, R., "Mechanisms of insulin-dependent glucose transport into porcine and bovine skeletal muscle", Am. J. Physiol. Regul. Integr. Comp. Physiol, 289, pp.187~197 (2005)
- Frobish, R. A., "Effects of abomasal infusions of glucose and proprionate on milk yield and composition", J. Dairy Sci, 60, pp.204~209 (1977)
- Hambleton, V. L., "Venipuncture versus peripheral catheter: Do infusions alter laboratory results?", J. Emerg. Nurs, 40, pp.20~26 (2014)
- Hayirli, A., "Effect of chromium supplementation on production and metabolic parameters in periparturient dairy cows", J. Dairy Sci, 84, pp.1218~1230 (2001)
- Kahn, C. R., "Insulin resistance, insulin insensitivity, and insulin unresponsiveness : A necessary distinction", Metabolism, 27, pp.1893~1902 (1978)
- Knowlton, K. F., "Glucose metabolism and milk yield of cows infused abomasally or ruminally with starch", J. Dairy Sci, 81, pp.3248~3258 (1998)
- Larsen, M., "Effect of abomasal glucose infusion on splanchnic and whole-body glucose metabolism in periparturient dairy cows", J. Dairy Sci, 92, pp.1071~1083 (2009)
- Lemosquet, S., "Effects of a duodenal glucose infusion on the relationship between plasma concentrations of glucose and insulin in dairy cows", J. Dairy Sci, 80, pp.2854~2865 (1997)
- Li, H. M., "Effect of energy diet on the expression of PC and PEPCK mRNA in the liver of periparturient cows", Scientia Agricultura Sinica, 38, pp.2515~2519 (2005)
- Livak, K. J., "Analysis of relative gene expression data using real-time quantitative PCR and the 2–ΔΔCT method", Methods, 25, pp.402~408 (2001)
- Meng, H., "Differential expression of peroxisome proliferator-activated receptors alpha and gamma gene in various chicken tissues", Domest. Anim. Endocrinol, 28, pp.105~110 (2005)
- Nocek, J. E., "Site of digestion of starch in the gastrointestinal tract of dairy cows and its effect on milk yield and composition", J. Dairy Sci, 74, pp.3598~3629 (1991)
- Oxender, W. D., "Biopsy of liver, adipose tissue and mammary gland of lactating cows", J. Dairy Sci, 54, pp.286~288 (1971)
- Reynolds, C. K., "Production and metabolic effects of site of starch digestion in dairy cattle", Anim. Feed Sci. Technol, 130, pp.78~94 (2006)
- Reynolds, C. K., "Effects of postrumen starch infusion on milk production and energy metabolism in dairy cows", J. Dairy Sci, 84, pp.2250~2259 (2001)
- Rigout, S., "Duodenal glucose increases glucose fluxes and lactose synthesis in grass silage-fed dairy cows", J. Dairy Sci, 85, pp.595~606 (2002)
- Smith, T. H., "Regulation of bovine adipose tissue metabolism during lactation. 6. Cellularity and hormone-sensitive lipase activity as affected by genetic merit and energy intake", J. Dairy Sci, 73, pp.772~783 (1990)
- Villa-Godoy, A., "Association between energy balance and luteal function in lactating dairy cows", J. Dairy Sci, 71, pp.1063~1072 (1988)
- Wheelock, J. B., "Effects of heat stress on energetic metabolism in lactating Holstein cows", J. Dairy Sci, 93, pp.644~655 (2010)
- Zhu, X. L., "Abundance of insulin receptor mRNA in ketosis and fatty liver cows", Chin. J. Vet. Sci, 27, pp.103~105 (2007)
- Zou, Y., "Effects of abomasal starch infusion on body condition, nutrient digestibility, mRNA abundance of hepatic and subcutaneous adipose in lactating dairy cows", Livest. Sci, 165, pp.70~73 (2014)