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 9.05
Milk (kg) -188.00 -0.014 2.63
Fat (kg) -10.70 -0.375 4.01
Prot (kg) -5.45 -0.441 2.41
Fertility Sub Index 6.36
Calving Interval (days) -3.14 -1.459 4.58
Survival (%) 1.59 1.117 1.78
Calving Sub Index -1.78
Gestation Length (days) 1.94 -0.919 -1.78
Beef Sub Index -3.75
Carcass Weight (kg) 7.20 -0.528 -3.80
Age of Slaughter (days) -0.12 -0.432 0.05
Maintenance Sub Index Maint. Sub Index -1.38
Live WT (kg) 4.50 -0.307 -1.38
Total Carbon Sub Index 8.49

* Based on an €80/tonne carbon price