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 5.22
Milk (kg) -114.00 -0.014 1.60
Fat (kg) -2.67 -0.375 1.00
Prot (kg) -5.94 -0.441 2.62
Fertility Sub Index 5.62
Calving Interval (days) -2.72 -1.459 3.97
Survival (%) 1.48 1.117 1.65
Calving Sub Index -0.40
Gestation Length (days) 0.44 -0.919 -0.40
Beef Sub Index 0.10
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) 4.78 -0.432 -2.06
Maintenance Sub Index Maint. Sub Index 2.45
Live WT (kg) -8.00 -0.307 2.45
Total Carbon Sub Index 12.98

* Based on an €80/tonne carbon price