NON PROTEIN NITROGEN (OPTIGEN ™) IN HIGHLY PRODUCTIVE DAIRY COWS: UKRAINIAN EXPERIENCE

Authors

  • G. Bondarenko
  • J. Dvorska

Abstract

Application of the slow release non-protein nitrogen in the protected form
(Optigen TM) in the rations of high yielding cows allowed to increase milk yield, butterfat content as well as nitrogen efficiency.

References

Improving nitrogen efficiency on dairy farms: feed evaluation, feeding systems comparisos, feeding strategies and the use of supplements http://www.rednex-fp7.eu/docs/zagreb_2013/slide/05_colturato.pdf

NRC. 2001. Nutrient Requirements of Dairy Cattle. 7th

rev. ed. Natl. Acad. Sci., Washington, DC.

Olmos Colmenero, JJ, and GA Broderick. 2006. Effect of dietary crude protein concentration on milk production and nitrogen utilization in lactating dairy cows. J. Dairy Sci. 89: 1704-1712.