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<blockquote data-quote="KNERSIE" data-source="post: 341430" data-attributes="member: 4353"><p>Pink eye is caused by flies and gnats carrying the bacteria and feeding on the tears secreted when something irritates the eye. </p><p></p><p>Or maybe I should state it this way... when something irritates the eye tears are secreted to wash whatever it is out of the eye. The tears are high in proteien and it attracks flies and gnats which feeds on the proteien. Flies and gnats are known carriers of the Moraxella Bovis bacteria causing pink eye. There are many strains of th same bacteria, that is why vaccination is often ineffective. So in order to prevent pink eye the eye must be protected from grass seeds, tall grass, dust, etc. because without tears, there would be nothing for the flies to feed on. A hooded eye with strong eyebanks and eyes set in the cases rather than bulging and eyelashes pointing downwards are much more likely to prevent pink eye than just eye pigment. In correctly set eyes, like I have described, eye pigment, although desireable, doesn't play that big a role.</p><p></p><p>Herefords have the bad reputation of being proned to cancer eye. This is where eye pigment does play a role. If only to address this reputation issue. I personally haven't had one case of cancer eye and I have fewer pink eye problems than most other non-hereford herds. Proper eye set is high on my selection criteria list so maybe that is paying off. The same eye set preventing pink eye will also address the cancer eye issue, but add the pigment and hopefully we can shed the stigma in the future.</p><p></p><p>Hereford eye set over the years went from very good up untill the thirties, to bad in the pony era, to worse in the racehorse era. I don't know why, but there are a lot of photographic material that supports this.</p></blockquote><p></p>
[QUOTE="KNERSIE, post: 341430, member: 4353"] Pink eye is caused by flies and gnats carrying the bacteria and feeding on the tears secreted when something irritates the eye. Or maybe I should state it this way... when something irritates the eye tears are secreted to wash whatever it is out of the eye. The tears are high in proteien and it attracks flies and gnats which feeds on the proteien. Flies and gnats are known carriers of the Moraxella Bovis bacteria causing pink eye. There are many strains of th same bacteria, that is why vaccination is often ineffective. So in order to prevent pink eye the eye must be protected from grass seeds, tall grass, dust, etc. because without tears, there would be nothing for the flies to feed on. A hooded eye with strong eyebanks and eyes set in the cases rather than bulging and eyelashes pointing downwards are much more likely to prevent pink eye than just eye pigment. In correctly set eyes, like I have described, eye pigment, although desireable, doesn't play that big a role. Herefords have the bad reputation of being proned to cancer eye. This is where eye pigment does play a role. If only to address this reputation issue. I personally haven't had one case of cancer eye and I have fewer pink eye problems than most other non-hereford herds. Proper eye set is high on my selection criteria list so maybe that is paying off. The same eye set preventing pink eye will also address the cancer eye issue, but add the pigment and hopefully we can shed the stigma in the future. Hereford eye set over the years went from very good up untill the thirties, to bad in the pony era, to worse in the racehorse era. I don't know why, but there are a lot of photographic material that supports this. [/QUOTE]
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