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 4.89
Milk (kg) -113.00 -0.014 1.58
Fat (kg) -3.19 -0.375 1.19
Prot (kg) -4.78 -0.441 2.11
Fertility Sub Index -1.59
Calving Interval (days) 0.83 -1.459 -1.21
Survival (%) -0.34 1.117 -0.38
Calving Sub Index 0.08
Gestation Length (days) -0.09 -0.919 0.08
Beef Sub Index 0.01
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 2.42 -0.432 -1.04
Maintenance Sub Index Maint. Sub Index 1.78
Live WT (kg) -5.80 -0.307 1.78
Total Carbon Sub Index 5.16

* Based on an €80/tonne carbon price