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Table 2 Results of the semen analysis of the boar, which was suspected to influence the increased return to oestrus rate among sows in an organic pig farm

From: A case report: Actinobaculum suis infection associated with formation of pyogranuloma, epididymitis and azoospermia in a boar

Characteristics Semen analysis of the boar Reference values [15]
Colour Brown, reddish White
Consistency Watery Watery – milky
pH 8.5 6.6–7.7
Additives Blood +(+)
Bilirubin ++
None
Sperm concentration None 0.3 × 106/µl