Altering dietary cation-anion difference in lactating dairy cows to reduce phosphorus excretion to the environment.

@article{Castro2004AlteringDC,
  title={Altering dietary cation-anion difference in lactating dairy cows to reduce phosphorus excretion to the environment.},
  author={S I Borucki Castro and Leroy E. Phillip and Vincent Girard and Armand V. Tremblay},
  journal={Journal of dairy science},
  year={2004},
  volume={87 6},
  pages={
          1751-7
        }
}
Four early-lactating dairy cows were randomly allocated to 4 diets with dietary cation-anion difference [DCAD; (Na + K) - (Cl- + S2-) mEq/100 g dry matter)] values of +14, +18, +24, and +45. Diets were formulated to be isoenergetic and isonitrogenous, and supplied similar levels of P (0.46%) and Ca (0.77%). The salts, MgCl2, MgSO4, K2CO3, and NaHCO3 were used to alter DCAD. The main objective of the study was to ascertain whether a decrease in DCAD would reduce fecal P excretion in lactating… CONTINUE READING
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