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you can take a hourse to water but you cant make him drink

post #1 of 5
Thread Starter 

Good morning all. 

I have 3 chickens who seam happy and healthy, there just under a year old. however there egg shells are slightly on the week side.

They have free access to grit with shell in it but i often just find most of it left hardly eaten. I cant seam to get them to eat the stuff.

are there any other methods of getting them the calcium they need?

 

Many thanks  

Buck Buck Cluck Cluck boi bach
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Buck Buck Cluck Cluck boi bach
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post #2 of 5


Layers feed contains additional calcium - dunno if you are feeding them layers or growers / general flock food. 

 

CT

Nairobi, Kenya
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Nairobi, Kenya
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post #3 of 5

There's more to soft shells than Calcium or the type of calcium.

By offering "shells" do you mean Oyster shells or egg shells?  

 

Protein, Adequate levels of lysine and methionine is need to produce good egg shells. When pullets begin laying, there is an increase in protein, vitamin and mineral requirements per day due to deposition in the egg. If dietary protein is too low or the amino acid requirements are not met, poor egg production and hatchability will occur.

Calcium, The egg shell is composed primarily of calcium carbonate. The pullet's requirement for calcium is relatively low during the growing period, but when the first eggs are produced, the need is increased at least four times, with practically all of the increase being used for the production of eggshells. Inadequate calcium consumption will result in decreased egg production and lower egg shell quality.
Hens store calcium in medullary bone, a specialized bone capable of rapid calcium turnover. As calcium stores are depleted, bones become brittle. In severe cases, hens are unable to stand. The condition is known as caged-layer fatigue. Birds on the ground or on litter floors recycle calcium and phosphorus through consumption of feces, and do not have caged-layer fatigue.
Calcium can be supplied in the diet as either ground limestone or oyster shell. Particle size affects calcium availability. Usually the larger the particle size, the longer the particle will be retained in the upper digestive tract. This means that the larger particles of the calcium source are released more slowly, and this may be important for the continuity of shell formation, especially in the dark period when birds do not ordinarily eat.
Periodically, dolomitic limestone is offered to the feed industry. However, dolomitic limestone(which is used in the steel industry) should never be used in poultry diets. Dolomitic limestone contains at least 10% magnesium, and this complexes with calcium or competes with calcium for absorption sites in the intestines. The consequence of feeding dolomitic limestone is induced calcium deficiency.
Young birds should not be fed a high calcium layer diet because the calcium/phosphorus ratio will be unbalanced, resulting in increased morbidity or mortality.

Phosphorus, The nutritional role of phosphorus is closely related to that of calcium. Both are constituents of bone. The ratio of dietary calcium to phosphorus affects the absorption of both these elements; an excess of either one impedes absorption and can reduce egg production, shell quality and/ or hatchability.
In addition to its function in bone, phosphorus plays a primary role in carbohydrate metabolism, is active in fat metabolism, and helps to regulate the acid-base balance of the body

Vitamin D, Vitamin D is required for normal calcium absorption and utilization. If inadequate levels of vitamin D are fed, induced calcium deficiency quickly results and egg production decreases.
Feed grade vitamin D comes in two forms, D2 and D3. In most animals, both are equally potent. In birds, however, D3 is substantially more active than D2. In poultry diets, therefore, vitamin D must be supplied in the form of D3.

Magnesium, Magnesium is needed for healthy bones, proper nervous system functioning, and energy metabolism.

Fat, Dietary fat is a source of energy and of linoleic acid, an essential fatty acid. A deficiency of linoleic acid will adversely affect egg production. Dietary fats also serve as "carriers" of fat-soluble vitamins, and some fat is necessary for absorption of vitamins. In fact, impairment of the absorption of fat-soluble vitamins (A, D, E, and K) is the most serious consequence of a dietary deficiency of fat.


Edited by Chris09 - 2/20/16 at 2:22am

 

NPIP # 31-516
Society for the Preservation of Poultry Antiquities http://sppa.webs.com/

Breeding Large Fowl Single and Rose Comb Rhode Island Reds to APA Standard


"I know of no pursuit in which more real and important services can be rendered to any country than by improving its agriculture, its breed of useful animals, and other branches of a husbandman's cares." – 

George Washington

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NPIP # 31-516
Society for the Preservation of Poultry Antiquities http://sppa.webs.com/

Breeding Large Fowl Single and Rose Comb Rhode Island Reds to APA Standard


"I know of no pursuit in which more real and important services can be rendered to any country than by improving its agriculture, its breed of useful animals, and other branches of a husbandman's cares." – 

George Washington

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post #4 of 5
Thread Starter 
Yes they have layers pellets down but they have 20square meters for the three of them and they don't touch it that often . They prefer forraging and our scraps they do eat their daily portions of seed mix as well.

Also It's oyster shell

Many thanks
Buck Buck Cluck Cluck boi bach
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Buck Buck Cluck Cluck boi bach
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post #5 of 5
Quote:
Originally Posted by murphy637k View Post

Yes they have layers pellets down but they have 20square meters for the three of them and they don't touch it that often . They prefer forraging and our scraps they do eat their daily portions of seed mix as well.

Also It's oyster shell

Many thanks

Layer pellets probably has most of the calcium they need, so they won't eat much of the oyster shell.

Great article on VENTILATION, one of THE MOST IMPORTANT aspects of coop design.

Fantastic treatise to help decide how much SPACE your chickens need.

 

Chicken math is not just 'addition'...but also should include Division, Multiplication and especially Subtraction!!!

 

Quoting centrarchid:

"Make every effort to understand your chicken's biology and the environment that supports it."

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Great article on VENTILATION, one of THE MOST IMPORTANT aspects of coop design.

Fantastic treatise to help decide how much SPACE your chickens need.

 

Chicken math is not just 'addition'...but also should include Division, Multiplication and especially Subtraction!!!

 

Quoting centrarchid:

"Make every effort to understand your chicken's biology and the environment that supports it."

Reply
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