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 1.24
Milk (kg) 4.00 -0.014 -0.06
Fat (kg) 1.36 -0.375 -0.51
Prot (kg) -4.10 -0.441 1.81
Fertility Sub Index -3.31
Calving Interval (days) 1.58 -1.459 -2.31
Survival (%) -0.90 1.117 -1.01
Calving Sub Index 0.50
Gestation Length (days) -0.54 -0.919 0.50
Beef Sub Index -0.21
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 4.51 -0.432 -1.95
Maintenance Sub Index Maint. Sub Index -0.09
Live WT (kg) 0.30 -0.307 -0.09
Total Carbon Sub Index -1.87

* Based on an €80/tonne carbon price