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 11.99
Milk (kg) -378.00 -0.014 5.29
Fat (kg) -10.85 -0.375 4.06
Prot (kg) -5.96 -0.441 2.63
Fertility Sub Index 6.38
Calving Interval (days) -2.80 -1.459 4.09
Survival (%) 2.05 1.117 2.29
Calving Sub Index -1.39
Gestation Length (days) 1.51 -0.919 -1.39
Beef Sub Index -2.21
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 8.55 -0.432 -3.69
Maintenance Sub Index Maint. Sub Index 6.68
Live WT (kg) -21.80 -0.307 6.68
Total Carbon Sub Index 21.44

* Based on an €80/tonne carbon price