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 1.06
Milk (kg) -139.00 -0.014 1.95
Fat (kg) 3.30 -0.375 -1.24
Prot (kg) -0.79 -0.441 0.35
Fertility Sub Index 3.98
Calving Interval (days) -1.90 -1.459 2.77
Survival (%) 1.08 1.117 1.21
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.61
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) -2.50 -0.432 1.08
Maintenance Sub Index Maint. Sub Index 6.50
Live WT (kg) -21.20 -0.307 6.50
Total Carbon Sub Index 17.95

* Based on an €80/tonne carbon price