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Erratum for Bryant et al., J. Dairy Sci. 90 (3) 1538-1547.
Erratum for Odongo et al., J. Dairy Sci. 90 (4) 1781-1788.
J. Dairy Sci. 2007. 90:2577
© 2007 American Dairy Science Association ®

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Errata

Environmental Sensitivity in New Zealand Dairy Cattle

J. R. Bryant, N. López-Villalobos, J. E. Pryce, C. W. Holmes, D. L. Johnson, and D. J. Garrick

J. Dairy Sci. 90:1538–1547

It has been brought to our attention that the equation for HLI on page 1540 was presented incorrectly; the corrected equation is presented below. The authors regret the error.

Summer HLI for each HYS was calculated from meteorological data for 1989 to 2002, obtained from 65 stations by the National Institute of Water and Atmospheric Research. Meteorological station data included map reference, daily measures of maximum and minimum temperature, rainfall, average relative humidity, solar radiation, and wind speed. These data were then used to calculate summer HLI (Castaneda et al., 2004) for each year:


Formula

where RH is mean daily relative humidity divided by 100, BGT is black globe temperature (°C), calculated as:


Formula

where T is air temperature (°C) at 1200 h, SR is solar radiation (MJ/m2), and WS is mean daily wind speed (m/s).

Long-Term Effects of Feeding Monensin on Methane Production in Lactating Dairy Cows

N. E. Odongo, R. Bagg, G. Vessie, P. Dick, M. M. Or-Rashid, S. E. Hook, J. T. Gray, E. Kebreab, J. France, and B. W. McBride

J. Dairy Sci. 90:1781–1788

It has been brought to our attention that 2 values in Table 2Go (page 1784) were incorrect. Values for methane production (g/g of NDFI) in the control and monensin-treated TMR were reversed; the value for the control TMR should be 0.066 and that for the monensin-treated TMR should be 0.069. The corrected table is shown below. The authors regret the error.


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Table 2. Effects of a control vs. monensin-treated TMR on DMI, milk yield, milk composition, and methane (CH4) production from lactating dairy cows
 





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