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 2.63
Milk (kg) -5.00 -0.014 0.07
Fat (kg) -3.64 -0.375 1.36
Prot (kg) -2.72 -0.441 1.20
Fertility Sub Index -6.58
Calving Interval (days) 3.82 -1.459 -5.57
Survival (%) -0.90 1.117 -1.01
Calving Sub Index 1.56
Gestation Length (days) -1.70 -0.919 1.56
Beef Sub Index -0.98
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 3.50 -0.432 -1.51
Maintenance Sub Index Maint. Sub Index -0.77
Live WT (kg) 2.50 -0.307 -0.77
Total Carbon Sub Index -4.13

* Based on an €80/tonne carbon price