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 1.22
Milk (kg) 10.00 -0.014 -0.14
Fat (kg) -0.38 -0.375 0.14
Prot (kg) -2.75 -0.441 1.21
Fertility Sub Index -2.76
Calving Interval (days) 1.11 -1.459 -1.62
Survival (%) -1.02 1.117 -1.14
Calving Sub Index -0.07
Gestation Length (days) 0.08 -0.919 -0.07
Beef Sub Index -0.73
Carcass Weight (kg) 5.60 -0.528 -2.95
Age of Slaughter (days) -5.16 -0.432 2.23
Maintenance Sub Index Maint. Sub Index -3.83
Live WT (kg) 12.50 -0.307 -3.83
Total Carbon Sub Index -6.18

* Based on an €80/tonne carbon price