Baer's test

But why don't they do Baer's test?...We would be in favour of playing the white boxer with Baer's test, but because in Italy they won't do Baer's test...But how do you say if a white boxer is deaf without Baer's test?"
I've heard phrases like this too many times.
The Baer test can be useful as deafness sometimes only manifests unilaterally or partially and the dog might seem to hear us. The Baer test is therefore a diagnostic tool, which widens the investigation on congenital deafness, exposing some subjects, which are false negatives, because they hear us. So far so well.
But do the champions of Baer's test know the field, the limits and the purpose for which to use it? NO
This is immediately evident from the speeches, which are a corollary.
As for the white boxer, deafness, which is of interest, is congenital. A boxer may be deaf for many reasons, but only a white boxer may be suffering from congenital deafness.
The first thing that comes to mind, therefore, when it comes to reproduction of the white boxer, is that it is necessary to test Baer, to avoid pairing a south boxer unilaterally or partially. This can be granted, but it is neither the key of time for the correctness of the matings, nor the panacea for every evil. Baer test results may be partial and insufficient to ensure the.coupling, but this is nothing different than what happens, when they mate simply colored boxers. But let's explain better why:
What is usually called congenital deafness linked to the white mantle is a genetic disease, which is currently transmitted by the tiger and the fulvi (the only colors allowed for reproduction). Genetic deafness can affect colored or white boxers indifferently, but only in the white boxer will it be identified as actual deafness. On the other hand, a tiger or Fulvo boxer may have genes responsible for the sick deafness, but in any case it hears us, because pigmentation cancels the effect of deafness. The phenotype never coincides with genotype and. since there is no dedicated genetic test. It is not possible to diagnose deafness a priori in colored boxers.
3 situations may arise with respect to congenital deafness for colored boxers:
1. The dog is healthy;
2. The dog is a healthy carrier;
3. The dog is genetically ill
(both genes responsible for deafness are sick).
In all three cases, as we said, the dog feels us. And. so useless to submit colored boxers to Baer's test, to investigate congenital deafness: it would always give negative results. We do not even have a genetic test, so, when we pair colored boxers, compared to the possible onset of deafness in the litter, we are completely in the dark.
With regard to congenital deafness for white boxers, 5 situations can be encountered:
1. The dog is healthy;
2. The dog is totally deaf
(this is evident without the need for Baer's test);
3. The dog is partially or unilaterally deaf
(this is diagnosed by the Baer test);
Ma.
4. Also a white boxer can be a healthy carrier;
5. A white boxer can also be genetically ill and yet feel us, perhaps because of the presence of pigment spots, which cancel the effect of deafness.
Even for white boxers, therefore, Baer's test can give false negatives; it would be useful, but not entirely safe. But this must not be scared any more than much, because mating without knowing what is happening is what always happens in the common combinations between colors.
One aspect that breeders do not consider today, because they have not understood the dynamics of the problem, is that the selection of deafness can be made with colored breeding. The breeders tend to consider deafness as a problem of white mantle, not as a tara that, if manifested in a white puppy, is present in the litter. In this case the breeder must be aware, that the parents are both suffering from genetic deafness: they are both healthy or sick carriers. Therefore, one should not repeat the mating, exclude those breeding or couple them only with solid subjects in mating, that they cannot give white. And go with great caution even with the colored brothers of the white puppy, because, although feeling us. they could also be affected or healthy carriers. Even for the brothers should be excluded or only with solids from reproduction or mating.
Instead, what does the average non-intelligent boxer breeder do: entrusts the sordid puppy to the boxer, continues with the colors, launches an invective against the Italian Boxer Club and goes on a forum to scream against the bad guys for whom white boxers have no problems, giving the sture to a river of consequent pentanates.
Another thing that we read is that Baer's test would be important if it opened to the whites in reproduction, but as long as you continue with the colors it is useless to introduce it. This is not correct. Baer's test performed on a properly selected sample could be useful for statistical purposes to understand the incidence of deafness in our race or at least the extent of the problem. This is because, if white boxers are born in my kennel, it may be useful to know to what extent risk of incurring deafness and then make an assessment, if you should prevent this aspect with targeted matings, avoiding the birth of whites, or if it is a priority to focus on elements of selection for the most relevant breed.
The reason you think about Baer's test only if white people have access to reproduction is that it is mistaken that this will greatly increase the number of whites raised.
In fact, the percentage of whites has risen a lot since the elimination of them with the euthanasia (newly born suppression) and since for several reasons in the breeding almost exclusively white bearers are used. This has gone from zero to about 20%: a very strong increase! And without introducing white boxers in the breeding.
But if whites could reproduce, would a similar strong increase in the percentage of whites be?
I would say no. Meanwhile, even if a player is white, I have a way of predicting the coloring of the puppies by the right coupling. If I use a solid I will never have white puppies, even if the other player is completely white (as genetics teaches and numerous real pairs have shown). Simply in case of solid coupling for colored with white I will have 50% of solids and 50% of puppies with white for espo, in case of solid for white 100% of puppies with white for espo: the ideal situation compared to the canons currently in vogue.
If I use a colorful white bearer with another white bearer, whether it's another colorful or a white, I'll always have whites, but in different percentage: 25% if they're two colored with white, 50% if one of the parents is white. But be careful this is just a theoretical percentage! In the single litter we saw 6 tiger and a white (and a parent was a white), 7 white and a tiger and both parents were colorful.
If one of the two breeding animals is white, the percentage of having many white puppies is higher. However, I have a way, as far as the white parent is concerned, to exclude deafness both total and partial with the Baer test; therefore the litter is safer from the point of view of the possible appearance of deafness.
For the number of whites to increase significantly, it is necessary that many pairs are white for colored with white. But we do not doubt that the breeders, even if they can use whites, would not so easily renounce the traditional pairs between colored. Moreover, l.Italian Boxer Club has found that almost all people, who have made a litter with a white, have chosen white mating for solid: in our statistics we have a percentage of white children from white parents of 15%, inferior to what there is today in breeding.
Since genetics shows that the use of whites in breeding cannot lead to an increase in genetic deafness, since it will hardly lead to an increase in the total number of whites, since for whites it is possible to diagnose total or partial deafness and therefore favor the selection of this tara, there is nothing to be feared from the entry of whites in reproduction.
Someone may object, that some irresponsible will mate a white boxer deaf; this we cannot exclude: the only thing certain in this world are the RIDs. But let's reason: it is certainly possible that a wretched person takes the lane of a. highway counterhand, drunk, using the cell phone, indeed it happened.
The above considerations are the natural logical development of the knowledge available today on the genetics of the mantle integrated with observations of the reality of breeding. Their limit is to be probably a little theoretical, so there may be aspects, that escape and that only the practice d. breeding can lead to carica. But at least they are logical. On the contrary, other statements, that optimistically are called opinions, are unarticulated sounds, a sequence of words, that differ from silence just because they make noise.

Further details on Boxer White visiting the dedicated section on the site .