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 2.71
Milk (kg) -3.00 -0.014 0.04
Fat (kg) -0.78 -0.375 0.29
Prot (kg) -5.38 -0.441 2.37
Fertility Sub Index -9.33
Calving Interval (days) 4.56 -1.459 -6.65
Survival (%) -2.40 1.117 -2.68
Calving Sub Index 0.87
Gestation Length (days) -0.95 -0.919 0.87
Beef Sub Index 0.11
Carcass Weight (kg) -4.80 -0.528 2.53
Age of Slaughter (days) 5.61 -0.432 -2.42
Maintenance Sub Index Maint. Sub Index 0.21
Live WT (kg) -0.70 -0.307 0.21
Total Carbon Sub Index -5.43

* Based on an €80/tonne carbon price