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 5.43
Milk (kg) -148.00 -0.014 2.07
Fat (kg) -4.62 -0.375 1.73
Prot (kg) -3.69 -0.441 1.63
Fertility Sub Index 6.56
Calving Interval (days) -3.45 -1.459 5.03
Survival (%) 1.37 1.117 1.53
Calving Sub Index 1.28
Gestation Length (days) -1.39 -0.919 1.28
Beef Sub Index 1.81
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) -2.98 -0.432 1.29
Maintenance Sub Index Maint. Sub Index 3.83
Live WT (kg) -12.50 -0.307 3.83
Total Carbon Sub Index 18.93

* Based on an €80/tonne carbon price