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 4.34
Milk (kg) -170.00 -0.014 2.38
Fat (kg) -1.84 -0.375 0.69
Prot (kg) -2.87 -0.441 1.27
Fertility Sub Index 6.43
Calving Interval (days) -2.52 -1.459 3.68
Survival (%) 2.46 1.117 2.75
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.06
Carcass Weight (kg) -4.70 -0.528 2.48
Age of Slaughter (days) 0.98 -0.432 -0.42
Maintenance Sub Index Maint. Sub Index 5.15
Live WT (kg) -16.80 -0.307 5.15
Total Carbon Sub Index 21.78

* Based on an €80/tonne carbon price