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Table 2 Summary of clinical presentation and diagnostic investigation of affected dogs from Essex

From: Emergence of Babesia canis in southern England

Name (Case number) Description Date of original presentation Clinical presentation Blood worka Diagnostic investigation by APHAb
Bud (1) 8.3 year old male Staffordshire Bull Terrier 5/10/2015 Dull, refusing food with pale mucous membranes RBC: 4.55; Hb: 11.1; HCT: 32% Blood smear negative; PCR positive
Mishka (2) 3.8 year old female Siberian Husky 26/10/2015 Dull, weak with pale mucous membranes. Confirmed Babesia-positive by commercial laboratory. RBC: 2.11; Hb: 4.8; HCT: 12.5% Not tested
Ruby (3) 9 year old female black Labrador 6/1/2016 Lethargic RBC: 4.41; Hb: 11; HCT: 31% Blood smear negative; PCR negative. A tick removed from the dog was positive by PCR
Bertie (4) 5.5 year old male Cavalier King Charles Spaniel 4/2/2016 Dull, listless with anorexia RBC: 4.43; Hb: 11.6; HCT: 33% Blood smear positive; PCR positive
Ollie (5) 10.6 year old male Cocker Spaniel 17/3/2016 Weak, dark urine, anorexia and pale mucous membranes RBC: 4.1; Hb: 9; HCT: 27.7% Blood smear positive; PCR positive. An engorged tick removed from the dog was positive by PCR
  1. aReference ranges: red blood cell count (RBC): 4.95–7.87; haemoglobin (Hb): 11.9–18.9, haematocrit (HCT): 36–55%
  2. bBlood samples were tested by Giemsa staining of a blood smear or by pan–piroplasm PCR (see Methods section)