Abstract
1. Effects of supplemental dietary sodium bicarbonate on performance of lactating Holstein cows during the summer season in Brazil L.B. Correa, M.A. Zanetti, A. Saran Netto, G.R. Del Claro, F.A. Paiva, P.G.M.A. Martins Livestock Science CrossRef
Highlights
Increasing Dietary cation-anion difference (DCAD) increases dairy cows performances (Tucker, 1988)
Because increasing the rapidly degraded starch in the diet will increase the risk of appearance of subacidosis status, the DCAD effect could be more effective in diet rich in concentrate
This response was stronger when cows were fed with diet H (+ 1.2 kg DM/d vs + 5.0 kg DM/d; P
Summary
Increasing DCAD increases dairy cows performances (Tucker, 1988). Very few trials have been designed to examine how DCAD, described as mEq (Na + K-ClS)/kg diet DM, could enhance performances. One of the possible explanation is that increasing DCAD enhances acid-base status. Because increasing the rapidly degraded starch in the diet will increase the risk of appearance of subacidosis status, the DCAD effect could be more effective in diet rich in concentrate. The objective of this trial was to examine the effects of DCAD on acidbase physiology in lactating dairy cows fed at two different energetic rates
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