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 -4.40
Milk (kg) 144.00 -0.014 -2.02
Fat (kg) 3.65 -0.375 -1.37
Prot (kg) 2.31 -0.441 -1.02
Fertility Sub Index -5.79
Calving Interval (days) 2.65 -1.459 -3.87
Survival (%) -1.72 1.117 -1.92
Calving Sub Index 0.97
Gestation Length (days) -1.05 -0.919 0.97
Beef Sub Index -0.13
Carcass Weight (kg) -4.90 -0.528 2.58
Age of Slaughter (days) 6.30 -0.432 -2.72
Maintenance Sub Index Maint. Sub Index -1.53
Live WT (kg) 5.00 -0.307 -1.53
Total Carbon Sub Index -10.90

* Based on an €80/tonne carbon price