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 21.87
Milk (kg) -355.00 -0.014 4.97
Fat (kg) -24.10 -0.375 9.03
Prot (kg) -17.84 -0.441 7.87
Fertility Sub Index 6.24
Calving Interval (days) -2.72 -1.459 3.97
Survival (%) 2.03 1.117 2.27
Calving Sub Index -1.51
Gestation Length (days) 1.64 -0.919 -1.51
Beef Sub Index -2.02
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 7.98 -0.432 -3.44
Maintenance Sub Index Maint. Sub Index 6.68
Live WT (kg) -21.80 -0.307 6.68
Total Carbon Sub Index 31.26

* Based on an €80/tonne carbon price