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 0.77
Milk (kg) -21.00 -0.014 0.29
Fat (kg) -0.84 -0.375 0.31
Prot (kg) -0.37 -0.441 0.16
Fertility Sub Index 6.21
Calving Interval (days) -2.74 -1.459 4.00
Survival (%) 1.98 1.117 2.21
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.63
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 2.20 -0.432 -0.95
Maintenance Sub Index Maint. Sub Index 3.10
Live WT (kg) -10.10 -0.307 3.10
Total Carbon Sub Index 14.51

* Based on an €80/tonne carbon price