Here is a bit if info from a lady who has created a "no-crow" collar.
Hey Guys! I thought I would introduce myself. I am Lauren Taylor and I am the person who came up with and makes the No Crow Rooster Collars (patent pending.) I would like to make myself available to answer all of your questions. This is a hot topic and it is easily misunderstood. With anything communication is key. So, why don't I start by telling you why I made this and how it works.
I have a small flock of completely spoiled, beautiful, pet chickens in an area that does not really allow chickens (I say not really because there is a little known state law here called the Michigan Right to Farm Act that supercedes the local ordinances but, the city still will fine first and ask questions later.) I am so in love with my birds and wanted a rooster for a number of good reasons- among them: protecting my free range flock, fertilizing eggs, and general enjoyment of all of their rooster qualities and behaviors ( and, yes, I DO like the crowing.) I did a lot of research before getting my first rooster and found all sorts of terrible ideas and contraptions designed to quiet them. I did learn however, that in order to crow loudly roosters need to totally fill up with air and project it out to get the big sound out. So, I thought and thought and thought and thought then finally came up with this. It is velcro and fabric and fully adjusts to fit the rooster perfectly. I suggest they be worn with a little finger's width of space between the collar and the neck. It is wide enough and close enough fitting that the likelihood of it getting caught is minimal and also- it is velcro so it should work similarly to dog collars that release.
So for the questions and comments posted already:
Roosters need to be able to make noise to communicate / it would be frustrating to the rooster not to be able to crow- They can make every noise that roosters make while wearing the collar including crowing but the volume is limited. My rooster does not seem at all frustrated after he "crows". He seems to think that he has done what he needed to do. I spend a lot of time with him and I do notice that he still makes all of the appropriate noises at the appropriate times. We have the coop right by our bedroom and sleep with our french doors open so when he crows in the morning I can hear it but it is quiet enough now that it is no bother at all and he sure does seem to enjoy it! Some people who have tried it report that their roosters don't even try to crow anymore. Some say they crow quietly and half as often. The results really do depend on the rooster.
It interferes with their crop/eating and drinking/ it strangles them - It doesn't. The width of the collar does not extend to the crop so that is not an issue. Also, the collar is made to bend and flex with the rooster's neck so he can do everything he always does. Mine eats, drinks, dust bathes, roosts, makes sweet love..... ha....... everything as he normally would. It isn't tight enough to bother him and it allows his neck total freedom and flexibility to expand, etc. it just puts a stop to the expansion when he tries to get the force of his full air sac compacity behind a big crow.
It will irritate his neck/ the feathers stick out/ good place for lice and mites - I always place it over the feathers and over the course of the day with him doing all of his normal activities some of the feathers come free. It is especially exaggerated in the picture of my rooster because he is frizzled and his feathers naturally fluff and curl forward. His neck is never irritated because he does always have some feathers under the collar and the collar is worn with the fuzzy/soft side of the velcro in. As for lice and mites- a good chicken owner is vigilant in treating those pests. I have not had an outbreak. I do keep a close eye on all of them and put DE in the coop and dust my hens and rooster regularly. I would think that dusting the inside of the collar with poultry dust or DE would make it really inhospitable for pests of all kinds.
If I missed any questions please ask again. Also, you can find me on Facebook or email me.
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