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 4.83
Milk (kg) -2.00 -0.014 0.03
Fat (kg) -3.34 -0.375 1.25
Prot (kg) -8.05 -0.441 3.55
Fertility Sub Index -6.52
Calving Interval (days) 3.58 -1.459 -5.22
Survival (%) -1.16 1.117 -1.30
Calving Sub Index 1.06
Gestation Length (days) -1.15 -0.919 1.06
Beef Sub Index -2.15
Carcass Weight (kg) 2.80 -0.528 -1.48
Age of Slaughter (days) 1.55 -0.432 -0.67
Maintenance Sub Index Maint. Sub Index -1.87
Live WT (kg) 6.10 -0.307 -1.87
Total Carbon Sub Index -4.65

* Based on an €80/tonne carbon price