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 7.82
Milk (kg) -172.00 -0.014 2.41
Fat (kg) -7.26 -0.375 2.72
Prot (kg) -6.10 -0.441 2.69
Fertility Sub Index 4.08
Calving Interval (days) -2.42 -1.459 3.53
Survival (%) 0.49 1.117 0.55
Calving Sub Index -0.08
Gestation Length (days) 0.09 -0.919 -0.08
Beef Sub Index 1.41
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) -2.30 -0.432 0.99
Maintenance Sub Index Maint. Sub Index 3.28
Live WT (kg) -10.70 -0.307 3.28
Total Carbon Sub Index 16.51

* Based on an €80/tonne carbon price