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 -1.08
Milk (kg) -11.00 -0.014 0.15
Fat (kg) -0.76 -0.375 0.28
Prot (kg) 3.43 -0.441 -1.51
Fertility Sub Index 2.53
Calving Interval (days) -1.54 -1.459 2.25
Survival (%) 0.25 1.117 0.28
Calving Sub Index -1.07
Gestation Length (days) 1.16 -0.919 -1.07
Beef Sub Index -5.52
Carcass Weight (kg) 7.60 -0.528 -4.01
Age of Slaughter (days) 3.50 -0.432 -1.51
Maintenance Sub Index Maint. Sub Index -2.70
Live WT (kg) 8.80 -0.307 -2.70
Total Carbon Sub Index -7.83

* Based on an €80/tonne carbon price