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 -2.26
Milk (kg) 199.00 -0.014 -2.79
Fat (kg) 2.61 -0.375 -0.98
Prot (kg) -3.40 -0.441 1.50
Fertility Sub Index -6.06
Calving Interval (days) 2.80 -1.459 -4.09
Survival (%) -1.77 1.117 -1.98
Calving Sub Index 0.65
Gestation Length (days) -0.71 -0.919 0.65
Beef Sub Index 0.04
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 3.93 -0.432 -1.70
Maintenance Sub Index Maint. Sub Index 0.55
Live WT (kg) -1.80 -0.307 0.55
Total Carbon Sub Index -7.08

* Based on an €80/tonne carbon price