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Humane culling of day old chicks

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Hi first of all I'd like to start by saying we are new to the whole keeping chickens scenario (and when I say new I mean eggs are incubating new) 

As with many of you probably know male chicks are a problem many are faced with at some point in time if you buying hatching eggs. We have decided and we believe this to be the best way but by no means the easiest way to cull the male chicks at day old stage. Not ideal but needs must... 

After reading through methods on how to cull we have narrowed it down to two methods mainly one as I'll be the one doing it as my wife and 3 kids arnt an option. 

So the methods are co2 chamber or snipping the neck. Now for me the sight of blood send me to the ground quicker then a skydiver without a parachute so I'm not 100% feeling this method if I'm honest. 

The co2 method seems someone easier to accomplish. As I understand and from the step by step method I've seen I have a couple sticking points. First is the 'white vinegar' does this need to be white vinegar or can distilled white vinegar be a substitute. Secondly is the amount of chicks this works on. Step by step was for 1 chick. We have 6 eggs in the incubator. Say worst case all 6 are male and I need to do this for all 6 chicks do I need to do it 6 seperate times or can I use a larger quality of bicarb and vinegar? 

If anyone has any experience with this method could they please share. 

Many thanks in advance for any advice given. 

Stay Home Stay Safe Stay Well 

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Did you buy an autosexing breed then? Otherwise, how are you figuring out if they are male or female?

If this is still a matter, I really wouldn’t start fiddling with CO2. You never know for certain if the amount you produced is enough. The container will initially still contain air as well, so you will never have 100% CO2. 

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Hi, to start off with well done for being proactive and thinking about the males before they hatch but there are a few sticking points.

As CT has said, are they a sex linked or autosexing breed otherwise you won't know they're males at hatch?

I routinely use inhalant anaesthesia (vet) and it can take a while (with known MAC and flow rates) so without a steady source of CO2 I wouldn't attempt this or create your own with bicarb. When I've had to dispatch young birds in the past I've used cervical dislocation, a sharp table edge can be used for day olds.

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I use a cleaver, or other sharp large knife.  My brother uses an axe.  There is surprisingly little blood, but be prepared for involuntary movement from the body, after the head is separated.  However, the first question is are they sex linked or autosexing? If not, you won't know on hatching if they are male or female.

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