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 6.94
Milk (kg) -151.00 -0.014 2.11
Fat (kg) -7.62 -0.375 2.85
Prot (kg) -4.46 -0.441 1.97
Fertility Sub Index 9.59
Calving Interval (days) -4.61 -1.459 6.73
Survival (%) 2.56 1.117 2.86
Calving Sub Index -0.45
Gestation Length (days) 0.49 -0.919 -0.45
Beef Sub Index 2.91
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -3.31 -0.432 1.43
Maintenance Sub Index Maint. Sub Index 0.80
Live WT (kg) -2.60 -0.307 0.80
Total Carbon Sub Index 19.78

* Based on an €80/tonne carbon price