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 1.29
Milk (kg) -56.00 -0.014 0.78
Fat (kg) -0.87 -0.375 0.33
Prot (kg) -0.40 -0.441 0.18
Fertility Sub Index 3.12
Calving Interval (days) -0.84 -1.459 1.23
Survival (%) 1.70 1.117 1.90
Calving Sub Index -2.84
Gestation Length (days) 3.09 -0.919 -2.84
Beef Sub Index -4.93
Carcass Weight (kg) 11.80 -0.528 -6.22
Age of Slaughter (days) -3.01 -0.432 1.30
Maintenance Sub Index Maint. Sub Index -2.58
Live WT (kg) 8.40 -0.307 -2.58
Total Carbon Sub Index -5.93

* Based on an €80/tonne carbon price