Productivity Index - Traits

Speciessort descending Breed Trait
Sheep Toronke Weight of young weaned per kg of breeding female per year (in gm).
Sheep Blackhead Somali Total live weight of litter at 150 days x 365 days / Post partum weight of dam
Sheep Rwanda-Burundi-Tanzania Long-tailed Total live weight of litter at 150 days * 365/subsequent parturition interval (days)
Sheep Rwanda-Burundi-Tanzania Long-tailed Total live weight of litter at 150 days * 365/subsequent parturition interval (days)/ Postpartum weight(0.73) of dam (kg)
Sheep Rwanda-Burundi-Tanzania Long-tailed Total live weight of litter at 150 days * 365/subsequent parturition interval (days)/ Postpartum weight(0.73) of dam (kg)
Sheep Djallonke per kg metabolic weight of dam per year
Sheep Blackhead Somali Relates liveweight of Progeny/ewe/year to the post partum ewe liveweight.
Sheep Rwanda-Burundi-Tanzania Long-tailed Total live weight of litter at 150 days * 365/subsequent parturition interval (days)
Sheep Blackhead Somali Total litter weight (kg) at 150 days per female during lifetime
Sheep Rwanda-Burundi-Tanzania Long-tailed Total live weight of litter at 150 days * 365/subsequent parturition interval (days)
Sheep Rwanda-Burundi-Tanzania Long-tailed Total live weight of litter at 150 days * 365/subsequent parturition interval (days)/ Postpartum weight(0.73) of dam (kg)
Sheep Rwanda-Burundi-Tanzania Long-tailed Total live weight of litter at 150 days * 365/subsequent parturition interval (days)/ Postpartum weight(0.73) of dam (kg)
Sheep Rwanda-Burundi-Tanzania Long-tailed Total live weight of litter at 150 days * 365/subsequent parturition interval (days)
Sheep Blackhead Somali Births per year per female
Sheep Rwanda-Burundi-Tanzania Long-tailed Total live weight of litter at 150 days * 365/subsequent parturition interval (days)
Sheep Djallonke 365/Parturition interval * Litter size * Survival to 90 days * Live weight at 90 days.
Sheep Rwanda-Burundi-Tanzania Long-tailed Total live weight of litter at 150 days * 365/subsequent parturition interval (days)/ Postpartum weight(0.73) of dam (kg)
Sheep Rwanda-Burundi-Tanzania Long-tailed Total live weight of litter at 150 days * 365/subsequent parturition interval (days)/ Postpartum weight(0.73) of dam (kg)
Sheep South African Merino Total weaning weight produced per ewe over three lambing seasons.
Sheep Rwanda-Burundi-Tanzania Long-tailed Total live weight of litter at 150 days * 365/subsequent parturition interval (days)/ Postpartum weight of dam (kg)
Sheep Rwanda-Burundi-Tanzania Long-tailed Total live weight of litter at 150 days * 365/subsequent parturition interval (days)
Sheep Djallonke 365/Parturition interval * Litter size * Survival to 90 days * Live weight at 90 days.
Sheep Rwanda-Burundi-Tanzania Long-tailed Total live weight of litter at 150 days * 365/subsequent parturition interval (days)/ Postpartum weight of dam (kg)
Sheep Rwanda-Burundi-Tanzania Long-tailed Total live weight of litter at 150 days * 365/subsequent parturition interval (days)
Sheep Djallonke per breeding female per year