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 2.30
Milk (kg) -102.00 -0.014 1.43
Fat (kg) 1.08 -0.375 -0.40
Prot (kg) -2.90 -0.441 1.28
Fertility Sub Index 3.83
Calving Interval (days) -2.11 -1.459 3.08
Survival (%) 0.67 1.117 0.75
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.02
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 3.50 -0.432 -1.51
Maintenance Sub Index Maint. Sub Index 4.84
Live WT (kg) -15.80 -0.307 4.84
Total Carbon Sub Index 14.79

* Based on an €80/tonne carbon price