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 10.85
Milk (kg) -315.00 -0.014 4.41
Fat (kg) -9.68 -0.375 3.63
Prot (kg) -6.38 -0.441 2.82
Fertility Sub Index 5.14
Calving Interval (days) -2.91 -1.459 4.25
Survival (%) 0.80 1.117 0.89
Calving Sub Index 0.21
Gestation Length (days) -0.23 -0.919 0.21
Beef Sub Index 0.95
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 1.35 -0.432 -0.58
Maintenance Sub Index Maint. Sub Index 2.30
Live WT (kg) -7.50 -0.307 2.30
Total Carbon Sub Index 19.45

* Based on an €80/tonne carbon price