Preparation of Toltrazuril and Toltrazuril Sulfone Residual Freeze-dried Powder Standard Samples in Chicken
A technology of toltrazuril sulfone and toltrazuril, which is applied in the field of preparation of standard samples of toltrazuril and toltrazuril sulfone residual freeze-dried powder in chicken, can solve the problems of lack of physical standards and achieve significant economic The effect of value and market competitiveness, reliable use and convenient transportation
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[0013] Example 1, a method for preparing a standard sample of toltrazuril and its metabolite toltrazuril sulfone residual freeze-dried powder in chicken, this example takes the control target content level of 20-100ug / kg as an example, and its specific steps as follows:
[0014] (1) Selection of experimental animals: Broiler chickens purchased from the market are required to be of uniform size and average weight of about 2.5 kg. First, confirm that the broiler chickens have not been fed with toltrazuril, and randomly sample them. After the test confirms that the samples are negative, they can be fed. After 5 days of normal feeding, the injured and unhealthy chickens were removed.
[0015] (2) Feeding with drugs: Accurately weigh 0.2 mg of toltrazuril powder, put it into capsules, feed each chicken with 1 capsule per day, and feed it for 2 consecutive days, slaughter it 10 hours after stopping the drug on the second day, and take the breast muscle Detection, at this time the c...
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