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 -2.64
Milk (kg) 138.00 -0.014 -1.93
Fat (kg) 0.57 -0.375 -0.21
Prot (kg) 1.11 -0.441 -0.49
Fertility Sub Index -3.56
Calving Interval (days) 1.16 -1.459 -1.69
Survival (%) -1.67 1.117 -1.87
Calving Sub Index 2.00
Gestation Length (days) -2.18 -0.919 2.00
Beef Sub Index -3.23
Carcass Weight (kg) 0.40 -0.528 -0.21
Age of Slaughter (days) 7.00 -0.432 -3.02
Maintenance Sub Index Maint. Sub Index -2.12
Live WT (kg) 6.90 -0.307 -2.12
Total Carbon Sub Index -9.54

* Based on an €80/tonne carbon price