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My new Jersey has a fever...
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<blockquote data-quote="djinwa" data-source="post: 842429" data-attributes="member: 8265"><p>Don't know if you're still around, but here's my two cents. I've got more book learning than practical, so take it for what it's worth.</p><p></p><p>Where are you from, and how hot and humid has it been?</p><p></p><p>In the breed section, there is a thread about shade, and discussion of heat stress. So that's on my mind and I've been reading about it.</p><p></p><p>So when I see your story, that's what popped out at me. You mention the heat wave.</p><p></p><p>Question is whether your cow had a fever from infection or from the heat, or a combination. When assessing body temp, you need to consider outside temps. I bet if you took her temp in Feb, she'd be at or near normal. Could have an infection, but probably not as bad as body temp in the heat makes it look. Would be interesting to take temps of random cows during the heat wave.</p><p></p><p>Heat stress could explain her symptoms. Cows are somewhat like dogs, in that they increase repiration to cool themselves - could explain her rapid respiration. Likewise, with heat stress, the last thing they want to do is eat, as digestion increases body temp. And without eating, the milk production would drop.</p><p></p><p>Jerseys are the first type I'd think of for overheating, as they're low on fat, but cows heat builds up over time - especially if nights are warm and they can't dissipate their heat. Here's some reading.</p><p></p><p><a href="http://vetmed.iastate.edu/vdpam/extension/beef/current-events/heat-stress-beef-cattle" target="_blank">http://vetmed.iastate.edu/vdpam/extensi ... eef-cattle</a></p><p></p><p><a href="http://www.cattletoday.com/archive/2007/June/CT1033.shtml" target="_blank">http://www.cattletoday.com/archive/2007 ... 1033.shtml</a></p></blockquote><p></p>
[QUOTE="djinwa, post: 842429, member: 8265"] Don't know if you're still around, but here's my two cents. I've got more book learning than practical, so take it for what it's worth. Where are you from, and how hot and humid has it been? In the breed section, there is a thread about shade, and discussion of heat stress. So that's on my mind and I've been reading about it. So when I see your story, that's what popped out at me. You mention the heat wave. Question is whether your cow had a fever from infection or from the heat, or a combination. When assessing body temp, you need to consider outside temps. I bet if you took her temp in Feb, she'd be at or near normal. Could have an infection, but probably not as bad as body temp in the heat makes it look. Would be interesting to take temps of random cows during the heat wave. Heat stress could explain her symptoms. Cows are somewhat like dogs, in that they increase repiration to cool themselves - could explain her rapid respiration. Likewise, with heat stress, the last thing they want to do is eat, as digestion increases body temp. And without eating, the milk production would drop. Jerseys are the first type I'd think of for overheating, as they're low on fat, but cows heat builds up over time - especially if nights are warm and they can't dissipate their heat. Here's some reading. [url=http://vetmed.iastate.edu/vdpam/extension/beef/current-events/heat-stress-beef-cattle]http://vetmed.iastate.edu/vdpam/extensi ... eef-cattle[/url] [url=http://www.cattletoday.com/archive/2007/June/CT1033.shtml]http://www.cattletoday.com/archive/2007 ... 1033.shtml[/url] [/QUOTE]
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My new Jersey has a fever...
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