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 -1.79
Milk (kg) 16.00 -0.014 -0.22
Fat (kg) 5.50 -0.375 -2.06
Prot (kg) -1.11 -0.441 0.49
Fertility Sub Index -3.13
Calving Interval (days) 2.53 -1.459 -3.69
Survival (%) 0.50 1.117 0.56
Calving Sub Index 1.94
Gestation Length (days) -2.11 -0.919 1.94
Beef Sub Index -3.06
Carcass Weight (kg) 0.80 -0.528 -0.42
Age of Slaughter (days) 6.11 -0.432 -2.64
Maintenance Sub Index Maint. Sub Index 1.53
Live WT (kg) -5.00 -0.307 1.53
Total Carbon Sub Index -4.52

* Based on an €80/tonne carbon price