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 9.56
Milk (kg) -230.00 -0.014 3.22
Fat (kg) -7.87 -0.375 2.95
Prot (kg) -7.68 -0.441 3.39
Fertility Sub Index 4.05
Calving Interval (days) -2.11 -1.459 3.08
Survival (%) 0.87 1.117 0.97
Calving Sub Index -1.53
Gestation Length (days) 1.66 -0.919 -1.53
Beef Sub Index -2.41
Carcass Weight (kg) 6.20 -0.528 -3.27
Age of Slaughter (days) -2.00 -0.432 0.86
Maintenance Sub Index Maint. Sub Index -4.05
Live WT (kg) 13.20 -0.307 -4.05
Total Carbon Sub Index 5.63

* Based on an €80/tonne carbon price