Table 1.

Neonatal survival statistics for pigs with gut-corrected CF^*

Litter	Stillborn	Viable	Disposition of Viable Piglets
1	4	1	Piglet survived to 61 days (16.8 kg) and was killed for experimental end point
2	1	3	Piglet 1 survived to 4 days of age and was killed because it had congenital anomalies (large head and tongue, small eyes) and failure to thrive
			Piglet 2 survived to 13 days and was humanely killed due to inability to successfully treat edema and subsequent right heart failure
			Piglet 3 survived to 55 days (17.2 kg) and was humanely killed after development of dyspnea and edema that could not be clinically managed
3	2	3	Piglet 1 was never responsive and died within 1 h of birth despite efforts to revive it
			Piglet 2 was never responsive and died within 2 h of birth despite efforts to revive it
			Piglet 3 was never responsive but stabilized with intensive care, including ventilation; the piglet died 3 h after birth and was observed to be edematous
4	4	0

^*Percent survival beyond 13 days, 11.1%.