Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 2.97
Milk (kg) -116.00 -0.014 1.62
Fat (kg) -1.91 -0.375 0.72
Prot (kg) -1.42 -0.441 0.63
Fertility Sub Index -0.50
Calving Interval (days) 1.17 -1.459 -1.71
Survival (%) 1.08 1.117 1.21
Calving Sub Index -0.96
Gestation Length (days) 1.04 -0.919 -0.96
Beef Sub Index -1.50
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 6.41 -0.432 -2.77
Maintenance Sub Index Maint. Sub Index 4.54
Live WT (kg) -14.80 -0.307 4.54
Total Carbon Sub Index 4.55

* Based on an €80/tonne carbon price