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Jealousies in oneself week.. as programming it?

  
 
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 06/12/2005
Engormix.com
Argentina
Jealousies in oneself week.. as programming it?
Hello, I have been taking out my bills of maintenance of my small farm, and I have reached the conclusion that so that my pigs stay with my production, he/she would have to be taking out 4 litters of pigs every month, to make this it is necessary to have something like that as 30 sows, weaning every 45 days.

Then then, my plan is the following one:

That 4 sows enter in zeal in oneself week, and that they are mounted by the sire, and a month others 4, but like I have childbirths very desfasados, wanted to program at least 12 substitutions that I selected, in the way that he/she explains previously..

4 among the 25 and 31 of January of the 2006
4 among the 21 and 28 of February of the 2006
4 among the 21 and 28 of March of the 2006.

I have read that the pg-600 helps in that, but I have also read that it is not advisable the use of hormones and it is necessary to know a series of things before applying it, then, he/she wanted that somebody gave me an explanation him but detailed possible, to be able to achieve the programming of these 12 sows, and as making to program 4 every month, my other sows already paridoras.

Thank you.
 04/01/2006
José Antonio Rangel
Venezuela
Ok, before anything else you should program the selection of the substitutions with the age of the same ones, so that the appearance of the zeal coincides (in a natural way), with the week that you need that they cover. That is to say, you should take into account the weeks of life of the animal, including the first two jealousies that you should allow to happen (in the substitutions). In the multíparas, when weaning you begin with the checkup of zeal, which you/they should begin you to present the same one starting from the fourth day post weaning. You should also take into account the weaning date, because to medium term they will coincide you the multíparas with those of substitution, and then instead of four animals to cover, you will have eight (the four substitutions and the four multíparas).
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