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 0.38
Milk (kg) -10.00 -0.014 0.14
Fat (kg) -0.42 -0.375 0.16
Prot (kg) -0.19 -0.441 0.08
Fertility Sub Index 4.68
Calving Interval (days) -2.16 -1.459 3.15
Survival (%) 1.37 1.117 1.53
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.47
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 2.45 -0.432 -1.06
Maintenance Sub Index Maint. Sub Index 4.75
Live WT (kg) -15.50 -0.307 4.75
Total Carbon Sub Index 14.10

* Based on an €80/tonne carbon price