Renal cysts in pigs: prevalence and pathology in slaughtered pigs from a single herd

Abstract

An abattoir investigation into kidney condemnations due to renal cysts in pork pigs from one producer showed a prevalence of 47.5 per cent. Affected pigs were the progeny of a landrace boar. Similar cysts found in a small sample of day-old piglets sired by the same boar indicated a congenital origin. A marked variation in size and frequency of cysts in the kidneys of slaughtered pigs was seen, some resembling the severity of polycystic kidneys. Histologically cysts appeared to be of tubular origin. The prevalence of affected pigs in slaughter groups from the single herd could be genetically determined. If this were so the data would be consistent with autosomal dominant inheritance. A breeding experiment to examine this hypothesis is in progress.

Hyperpolarized 13C,15N2‐Urea MRI for assessment of the urea gradient in the porcine kidney

“…a and b). These cysts are a frequent occurrence in Danish Landrace pigs and are characterized as water‐filled tissue components . As seen in Figure , this fact is supported by an absence of urea infiltration into the cyst.…”

Pathology of Renal Dysplasia and Bladder Aplasia-Hypoplasia in a Flock of Sheep

“…Polycystic renal diseases in other species is in most cases associated with normal-sized to enlarged kidneys. 6,[18][19][20]24,25,30 Ureteropelvic atresia or aplastic ureters are found in people with renal cysts. 20,24 Some congenital forms of human cystic renal disease are associated with cystic changes in the pancreas and liver.…”

Identification of porcine polycystic kidney disease 1 (PKD1) gene: Molecular cloning, expression profile, and implication in disease model

“…Pig congenital polycystic kidneys, which exhibited an enlarged phenotype resulting distended abdomen, contained numerous cysts throughout the cortex and medulla (Webster and Summers, 1978). Wells et al (1980) reported a 47.5% prevalence of renal cysts in an abattoir investigation. Renal cysts with variable sizes and numbers were seen in the affected pigs.…”