I had problems with soft shell no shell.. lot of those and thin shell. I couldn't seem to get my chickens to eat layer feed or crumbles. They are free range so I thought Maybe it was them wanting that over feed. I had free choice oister shell I fed back their eggs and had calcium carbonate ..gravels? Anyway that only help some I stopped using AVC a cap in a gallon of water and it made no difference.
I did discover that the feed from the source was almost always molded even though the change in brand was made from that source. I changed sources and feed to nature wise. The hens devoured it I fill the feeder up two scoops and it last two days with free range hens where before it was three.. four days and sometimes longer. I hardly have egg problems except still occasional thin shell. I have also discovered this last month that my hens have LL. and one hen was diagnosed also to have fatty liver disease she was a dual purpose bird and because I fed too much corn and wheat as scratch along with hand full bread or scraps. So ive nearly cut all that out. My poor hens have been through a lot I being new to chickens also learned the hard way about what not and to feed. Ive added a vitamin drench to the water for those thin shell days.
Hope you lots of luck vitamins can be deficient from the start in some feeds then any molds will also cause nutrients to not be absorbed. Sickness can do the same thing lice and worms will to sooooo that being said check your hens over real good check the places they eat and drink if still not getting anyplace change food.. take note how often you treat and what kinds. Last but not least do fecal float and blood test for issues or as last resort sacrifice a bird to be given nerocropsy to find out what is going on.. maybe the ofender if you know it.
Good luck
I did discover that the feed from the source was almost always molded even though the change in brand was made from that source. I changed sources and feed to nature wise. The hens devoured it I fill the feeder up two scoops and it last two days with free range hens where before it was three.. four days and sometimes longer. I hardly have egg problems except still occasional thin shell. I have also discovered this last month that my hens have LL. and one hen was diagnosed also to have fatty liver disease she was a dual purpose bird and because I fed too much corn and wheat as scratch along with hand full bread or scraps. So ive nearly cut all that out. My poor hens have been through a lot I being new to chickens also learned the hard way about what not and to feed. Ive added a vitamin drench to the water for those thin shell days.
Hope you lots of luck vitamins can be deficient from the start in some feeds then any molds will also cause nutrients to not be absorbed. Sickness can do the same thing lice and worms will to sooooo that being said check your hens over real good check the places they eat and drink if still not getting anyplace change food.. take note how often you treat and what kinds. Last but not least do fecal float and blood test for issues or as last resort sacrifice a bird to be given nerocropsy to find out what is going on.. maybe the ofender if you know it.
Good luck
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