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 -1.60
Milk (kg) 21.00 -0.014 -0.29
Fat (kg) -0.26 -0.375 0.10
Prot (kg) 3.17 -0.441 -1.40
Fertility Sub Index 4.32
Calving Interval (days) -2.45 -1.459 3.57
Survival (%) 0.67 1.117 0.75
Calving Sub Index -1.07
Gestation Length (days) 1.16 -0.919 -1.07
Beef Sub Index -5.74
Carcass Weight (kg) 6.90 -0.528 -3.64
Age of Slaughter (days) 4.87 -0.432 -2.10
Maintenance Sub Index Maint. Sub Index -3.07
Live WT (kg) 10.00 -0.307 -3.07
Total Carbon Sub Index -7.15

* Based on an €80/tonne carbon price