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Optimal routes of administration

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How to administer drugs in order to optimize the speed of action, the efficiency and the financial cost.

Goal

The optimization of the administration routes of drugs in sows.

 

Introduction

The best way of administering drugs to sows, according to the moment in their cycle, has been studied, optimizing the speed of action, the efficacy, and the financial cost. In order to do this we used different routes of administration and syringes, and normally very thin disposable needles.

 

Explanation

In the farrowing quarters it is essential that the sows are calm and to minimise any kind of stress, especially when the farrowing is near. There are some practices that we carry out systematically using insulin syringes.

  • For example, for the synchronization of farrowings: we administer prostaglandins through the vulva with half of the dose that we would use with the intramuscular route in the neck. The sows do not notice the injection and the advantages are obvious.

Routes of administration 4

  • Another example is the administering of oxytocin when the rhythm of the farrowing calls for it, or in order to ease the milk ejection. Administering 10 IU subcutaneously on those moments we get the sow not to become afraid nor stand up.

Routes of administration 3

In pregnant sows we try to reduce the stress for the animals by their periodic treatments:

  • For the "blanket" vaccinations we use a normal automatic gun with an extension and thin disposable needles, injecting in the muscular group of the hind limbs. (Experience is needed when guiding the needle when pricking the sow, otherwise many needles end up breaking).

Routes of administration 1

  • For the antiparasitic treatments we use the gun, but with shorter needles, using the subcutaneous route in the skin fold beside the tail.

Routes of administration 2

Article Comments

This area is not intended to be a place to consult authors about their articles, but rather a place for open discussion among pig333.com users.
25-Oct-2013ErikErikWhich needel sizes do you use for the different described techniques?
31-Oct-2013 pig333Hello Erik,
The answer given to us by the author is that the diameter and the length (in mm) of the needles mentioned in the trick are as follows:
1-. For the synchronization of farrowings, if the injection is administered through the vulva, 0.5 x 15 mm needles are used (the syringe [1 cc] and the needle come in the same pack, they are the syringes used for administering insulin).
2-. For the subcutaneous administering of oxytocin, it is better to use 0.80 x 25 mm needles (in Spain they are normally blue) or, if not, 0.90 x 25 mm needles can also be used (yellow). The first ones are better, because their diameter is smaller.
3-. For the intramuscular administering with the extension (he uses a NEEDLE-EZE brand one) he uses 1.2 x 40 mm needles (in Spain they are pink).
4-. For the subcutaneous administering of antiparasitic drugs, near the skin wrinkle in the tail Luer lock needles are used.
26-Sep-2016jamesjameseffect of adminestiring ivermec via intramuscular to pigs and its overcoming way
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