Apparently not with dogs.
I've never believed it does with chickens either.
https://www.nature.com/articles/d41586-022-01193-1
I've never believed it does with chickens either.
https://www.nature.com/articles/d41586-022-01193-1
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How would one define "well bred?"In well bred animals you should generally see a certain set of behaviors that are attributed to the breed. With random or poorly bred animals not so much.
With an across the board study such as that one, I would expect the results to be as they found. I think if you did the same study with only well bred animals you'd find each breed would have a lot more behaviors in common than not.
Which will never ever be seen in hatchery layers. It can even be seen in the roosters which are nothing more than the byproduct of breeding for egg laying volume. Most have zero or close to zero natural instincts left. It is very apparent when watching selectively single bred gamefowl. The gamefowl cocks you can see have all the natural instincts that they had centuries ago. They act more like a wild bird as opposed to layer roosters that act as though they lost all instinct and are kind of just there.In well bred animals you should generally see a certain set of behaviors that are attributed to the breed. With random or poorly bred animals not so much.
With an across the board study such as that one, I would expect the results to be as they found. I think if you did the same study with only well bred animals you'd find each breed would have a lot more behaviors in common than not.
My experience has led me to believe that many, but not all, and none quickly, exhibit more natural behaviour in more natural keeping conditions.Which will never ever be seen in hatchery layers. It can even be seen in the roosters which are nothing more than the byproduct of breeding for egg laying volume. Most have zero or close to zero natural instincts left. It is very apparent when watching selectively single bred gamefowl. The gamefowl cocks you can see have all the natural instincts that they had centuries ago. They act more like a wild bird as opposed to layer roosters that act as though they lost all instinct and are kind of just there.
Well, this particular point in the debate is going nowhere.By over time do you mean the lifetime of that animal or over time as in evolution?
I think it depends on how intelligent and adaptable the animal is as to how much it's behavior can be modified. Certainly environment plays a large part in how an animal acts and reacts. But I think you are confusing the two, one is innate behavior, the other is learned behavior.
You can most definitely breed animals for a certain set of behavioral characteristics and have them breed true. That's how we've been able to produce hunting dogs, guard dogs and lap dogs all out of the same basic genetic material, by choosing the particular behaviors that we wish to reproduce.
I don't think you can really equate dogs and chickens, or even say parrots and chickens though. Chickens are a more basic animal and don't necessarily possess the variety and multilayered behaviors you might see in some higher animals. And being prey animals they might be effected by their environment to an even greater extent, since it's probably more critical to their survival