Friday, July 20, 2012

Animal, vegetable, mineral?

The mineral panel is back. Luba is high for iron 2.3 ug/ml (1.3-2), copper 1.5 ug/ml (0.9-1.4) and zinc 2.4 ug/ml (0.6-1.7). Her selenium is normal 0.15 ug/ml (0.12-0.18). However, this is lower than her March test result of 0.17.


Considering her current feed, vitamin and the hay analysis I had done by Rooney's Feeds (only cost $15!!), Dr. Ben and I decided to drop down to 1 scoop per day of Nutriquin Elite (instead of 2) and add 30g of Vetre-Sel-E. That way she will get less of minerals she does not need (copper, zinc, iron) and more of what she does need to do endurance work (Vitamin E and Selenium).  We are keeping her grain to 4 cups per day  (600 g)  of Evolution Elite. If she looks like she can't hold her weight as we increase work, I can slowly bring this up. Stay the course with the progressive loading for her conditioning, including a camping/riding trip next week. Simulate a competition without the competition.


I did the math and now she was getting 1000 g of Vitamin E and 1.6 g of selenium each day. Starting today, she is getting 1550 g of Vitamin E and 2.1 g of selenium. 


We also pulled blood and it came back today. Her AST has dropped by half, confirming its 14 day half life. Her CK is 414. The reference levels for the blood chemistry from Rideau St-Lawrence Vet Services are different than those provided by Equine Profile Plus panel used by Maxville Vet Clinic. I put both of them in the table below for CK and AST since those are the ones I am obsessing about. So depending on what is "normal", she might be back to normal for AST and CK.  Not sure why they are different. Have to ask more questions and do more digging....


At any rate, she looks and feels fine from the outside. So hopefully everything on the inside is looking and feeling fine too! Hope I haven't reached my limit of Twenty Questions yet!








2012-07-19 four weeks post tie up; 2 weeks of MagOx supplement
2012-07-06 two weeks post tie up
2012-06-23  tie up at Pine Tree
2012-03-17 annual exam


Protein 52-74
68
67
68
68
steady
can indicated dehydration if elevated
AST 150-550 or 175-340
539
1200
*******
396
declined by half in two weeks. Close to 2400 during tie up?
damaged muscles.
CK 50-250 or 120-470
414
502
*******
389
has never tested lower than 350 in 4 years
damaged, inflamed muscles, Vit E/Sel deficiency. Moderate increases (2-3x) are possible in exercising horses. Post exercise increase is less in well conditioned animals although the baseline level is somewhat higher.Similarly, horses after shipping have moderate increases in CK activity.
GGT 4-53
16
18
19
13
low end of norma
raised during episodes of overtraining or stress
Glucose 3.3-7.5
4.4
4.8
8.2
13
lower post PT
high during stressful situations
Creatinine 70-170
83
79
106
110
lower post PT
high when kidneys are working hard
Sodium 132-142
139
138
139
135
steady
can be low due to excessive sweating
Potassium 2-4.5
3.5
4.2
8.5
4.6
was high in previous years
high potassium and high chloride can be indicative of acidosis (pH imbalance). magnesium depressed by an excess of K
Na/K ratio 25-50
40
33
16
29
higher now because her K is lower

Chloride 95-105
102
103


steady
Chloride is the major extracellular anion, found together with Na+. Chloride is very important for osmolality and acid-base balance. 
Calcium 2.75-3.4

3.24
3.06

steady
low calcium associated with thumps, high levels can be associated with excessive dietary supplements



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