Colour
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Based on color bull semen is graded as
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Creamy
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Thick milky
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Milky
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Thin milky
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Watery
Yellow colour of semen is normal in some bulls due to riboflavin content, which is secreted, from ampulla or seminal vesicles
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- The highly concentrated semen will be creamy in colour and if there is only very few or no sperms then the colour will be watery.
- Certain abnormal colours encountered are
Colour
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Abnormal due to
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Brownish
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Orchitis (Blood pigments)
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Dark red to pink blood
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Hemorrhage in male reproductive tract
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Yellow green
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Pseudomonas aerogenosa infection - pus This colour appears on keeping semen some time after collection
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Light brown
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Contamination with dung
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Dull and dirty white
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Increased number of spermatogenic cells
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Yellow
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Presence of urine
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Chunk clots/Curdy appearance
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Infection
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Last modified: Monday, 4 June 2012, 10:02 AM