there are many books that can give clear ideas on this topic, regrettably in the Peru we don't have a lot of recently published literature, that is to say, we have books of several years of publication.
In the international fairs it is where we can have the possibility to see live many of them and to appreciate how they have left selecting the main characteristics of each one of them in the last times and according to the necessities of our current market.
In our country the breeding of pigs of pure race is very restricted, you/he/she is more, the companies that you/they care genetics hardly work with them and they are very few the copies that you can see in them, since very clear patterns of systems of their suppliers' of the foreigner hybridization continue.
Perhaps in counties they can still be seen some exemplary reperesentantes of some races, but that due to an inadequate selection and genetic pursuit they leave deteriorating in the time regrettably.
We should consider that the hybridization of pure races gives us pigs with better conditions to compete in the market in front of those of the pure races, that makes that the first ones are displaced by second o'clock.
Therefore it is difficult to see pigs of pure race in the modern farms of production of pigs parsu benefit and later consumption, since these buy pigs híbridados for certain type of final product. |
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