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 2.11
Milk (kg) -5.00 -0.014 0.07
Fat (kg) -3.87 -0.375 1.45
Prot (kg) -1.33 -0.441 0.59
Fertility Sub Index 1.58
Calving Interval (days) -0.74 -1.459 1.08
Survival (%) 0.45 1.117 0.50
Calving Sub Index -1.62
Gestation Length (days) 1.76 -0.919 -1.62
Beef Sub Index -4.62
Carcass Weight (kg) 11.20 -0.528 -5.91
Age of Slaughter (days) -2.98 -0.432 1.29
Maintenance Sub Index Maint. Sub Index -6.59
Live WT (kg) 21.50 -0.307 -6.59
Total Carbon Sub Index -9.15

* Based on an €80/tonne carbon price