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 -5.63
Milk (kg) 26.00 -0.014 -0.36
Fat (kg) 6.30 -0.375 -2.36
Prot (kg) 6.58 -0.441 -2.90
Fertility Sub Index 7.43
Calving Interval (days) -3.57 -1.459 5.21
Survival (%) 1.99 1.117 2.22
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 0.80
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 0.95 -0.432 -0.41
Maintenance Sub Index Maint. Sub Index 3.92
Live WT (kg) -12.80 -0.307 3.92
Total Carbon Sub Index 10.34

* Based on an €80/tonne carbon price