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Table 5 Cause of death for 34 dogs by gender and lifespan category as of 31 July 2014

From: Exceptional longevity and potential determinants of successful ageing in a cohort of 39 Labrador retrievers: results of a prospective longitudinal study

Cancer Expected: ≥9 to ≤12.9 years Long: ≥13 to ≤15.5 years Exceptional: ≥15.6 years Total
 Female 3 = Haemangiosarcoma
 unspecified type/location
Haemangiosarcoma
 splenic with metastasis
Lymphosarcoma
3 = Plasma cell tumour
Haemangiosarcoma
Osteosarcoma
2 = Haemangiosarcoma
 splenic
Adenocarcinoma
 pulmonary
8
 Male 4 = Haemangiosarcoma
 prostate/bladder
Prostatic cancer
Mast cell tumour metastasis
Urinary tract cancer—TCC
1 = Urinary tract cancer
 bladder
0   5
Sub-total 7 (54 %)   4 (27 %)   2 (33 %)   13 (38 %)
Other
 Female 4 = Intervertebral disc disease
Mega-oesophagus
 causing chronic vomiting
Seizures—unresponsive to medication
Osteoarthritis (CHD)
7 = Gastric dilatation volvulus
Chronic kidney disease (asymptomatic)a
Progressive seizures
Septicaemia
Osteoarthritis (2)
Quality of life
4 = Osteoarthritis (2)
Quality of life (2)
15
 Male 2 = Osteoarthritis 4 = Found deceased in kennel (enteritis, colitis and PLE)b
Gastro-intestinal inflammationc
Chronic kidney disease (end stage)
Myocardial fibrosis
0   6
Sub-total 6 (46 %)   11 (73 %)   4 (67 %)   21 (62 %)
Total 13 (100 %)   15 (100 %)   6 (100 %)   34 (100 %)
  1. 33 dogs underwent euthanasia due to deteriorating quality of life and one dog found dead in the morningb
  2. aHistopathology revealed inflammatory process in kidney indicating chronic infection (asymptomatic)
  3. bPost-mortem examination revealed enteritis and colitis with evidence of protein-losing enteropathy and mild multifocal glomerulosclerosis
  4. cHistopathology revealed inflammatory changes in gastro-intestinal tract