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 11.88
Milk (kg) -374.00 -0.014 5.24
Fat (kg) -10.92 -0.375 4.09
Prot (kg) -5.78 -0.441 2.55
Fertility Sub Index 5.91
Calving Interval (days) -2.56 -1.459 3.74
Survival (%) 1.95 1.117 2.18
Calving Sub Index -1.59
Gestation Length (days) 1.73 -0.919 -1.59
Beef Sub Index -2.27
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 8.18 -0.432 -3.53
Maintenance Sub Index Maint. Sub Index 5.76
Live WT (kg) -18.80 -0.307 5.76
Total Carbon Sub Index 19.70

* Based on an €80/tonne carbon price