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 -6.15
Milk (kg) 152.00 -0.014 -2.13
Fat (kg) 5.23 -0.375 -1.96
Prot (kg) 4.67 -0.441 -2.06
Fertility Sub Index -7.24
Calving Interval (days) 3.87 -1.459 -5.65
Survival (%) -1.43 1.117 -1.60
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index -2.04
Carcass Weight (kg) -0.20 -0.528 0.11
Age of Slaughter (days) 4.98 -0.432 -2.15
Maintenance Sub Index Maint. Sub Index 0.64
Live WT (kg) -2.10 -0.307 0.64
Total Carbon Sub Index -11.95

* Based on an €80/tonne carbon price