Poultry Feed Processing Study on Pellet Size of Chicken Feed

Poultry Feed processing

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The size of feed pellet is often overlooked in poultry feed processing production. However, different feed size will affect the digestion and absorption of poultry, along with the production performance, even in the case of the overall nutrition of the feed is similar. Therefore, poultry feed producers should learn to evaluate the most suitable pellet size for different poultry animals to minimize the impact factors. For example, what are the effects of feed particle size on digestive system of broiler or laying chicken? (HOT Product: PTO Pellet Mill for Sale)

How to decide the Pellet Size in poultry Feed Processing?

The digestive system development of poultry animals is affected by the size of feed pellets (granules).

Feed the poultry with larger pellets can help promote the development of muscle stomach and increase the length of intestinal tract. (Related Post: Turn Chicken Manure into Fertilizer Pellets )

Poultry Pelleted Feed Vs. Mash Feed

• Pelleted Feed for Poultry

The larger feed pellets can remain a longer time in the muscle stomach of chicken. Then the poultry feed will be released into the small intestine after be grounded into small particles. The longer the intestinal villi are, the larger the surface area of digestion and absorption is, and the more nutrients are absorbed. Researchers believe that feeding the poultry with larger feed pellets can promote the secretion of digestive enzymes in the small intestine, which is conducive to the digestion and absorption of nutrients. Here is the page of our small poultry feed mill machinery for sale, contact us if you are interested to get more details! 

• Mash Feed for Poultry

When feeding the poultry animals with mash feed, the feed go quickly into the glandular stomach through the muscle stomach without much grinding. It can result in smaller muscle stomach, enlarged glandular stomach and reduced intestinal length. So it is not recommended to use mash feed for grown-up broiler and laying chickens. (Related post: mash feed production process >>)

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Ideal Size of Poultry Feed

Effect of Crushing Process on Poultry Feed Pellet Size: The main factor affecting the size of poultry feed is the crushing method. There is no need to grind the fodder materials such as soybean meal, fish meal and premix feed. Grains (corn, wheat, and other grains) are ground and crushed.

As mentioned above, the feed size can seriously affect the intake of poultry animal. Then who to decide the ideal size for different poultry? Well, the feed size should be increased with the development of poultry&#;s beak, muscle stomach and digestive organs.

Broilers and Layers

Lay hens tend to feed on larger feed pellets when compare with broiler chicken. And this preference is more obvious with the increase of chicken&#;s age. However, too much of the larger feed can results in excess intake of energy and insufficient intake of some nutrients such as vitamins A, D, riboflavin, sodium, lysine and osamic acid. So poultry farmers generally feed laying chicken with the mixture of large feed pellets and small feed pellets. The large feed pellets are mainly energy feed such as corn, while the small pellets mainly contain amino acids, phosphorus, vitamins and minerals. Premix of vitamins and minerals are also usually made in small pellets.

In the first 6 weeks, 1-3mm powder is generally used. For chicks, the nutrients in the mash feed are more uniform. However, as the age of the chick increases, if continued feeding mash feed can lead to the smaller of muscle stomach and small intestine. The mash feed should be replaced with mixed feed (mash feed and pelleted feed) in appropriate time to ensure the development of chicken&#;s digestive organs. 55%~85% of the poultry feed should be at the size of 1~3mm.

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For the chicken before the litter, the feed should include 2-4mm stone powder pellets, so as to ensure the quality of eggshell. The egg production declines and egg shell quality problems are due to poor nutrition in most cases. The feeders should observe the feeding situation in real time and determine the appropriate feeding frequency and quantity to make the chicken feed reasonable with large and small feed pellets every day. The uniform intake of large and small pellet feed is beneficial to the balanced nutrition of poultry animals.

The Best Feed Pellet Size For Animal,Poultry,Livestock And Fish

Pelleted feed is considered to have a very significant impact on animal growth and feed intake.The positive effects of pelleting are well documented: higher feed density, no feed ingredient separation, better bacteriological quality, easier ingestion, improved growth and FCR.

Compared with mash, pellets enhance bird performance by decreasing feed wastage, alleviating selective feeding, destroying pathogens, improving palatability and increasing nutrient digestibility.The animal fed pelleted diets have higher BW and improved feed conversion than those fed mash feed.

Today,commercial feed production plant are producing different forms of animal feed at different ages.Feed particle size is an often-overlooked aspect of poultry production. Producers should not assume that feed is of a uniform size and homogeneously mixed, or that the feed mill is providing the ideal mix of particles in a ration. Feed particles range in size from very fine to coarse, and different grinding methods will result in different particle size distributions. Differences in particle size within a ration can affect both the digestive system and the performance of the bird, even if the overall nutrient values are similar.

Why Feed Pellet Size Is Import ?

Animal select feed particles in accordance with the size of their oral cavity, which increase with the age. As the animal grow older their preferred feed particle size increases.This can provide an opportunity to improve growth response if the most favorable pellet size for different age periods of the animal is identified.
Small pellet diameters could be beneficial during the starter period and on subsequent performance.Larger pellet diameters was suitable for the larger diet because these animal became accustomed to a larger pellet size.
But there many different kind of animal farming ,include poultry ,livestock,fish and pet etc ,they have different eating hobbit .Not all types of animal need to be feed pellet to the same size.

What&#;s The Best Pellet Size For Poultry,Like Chicken,Boiler,Duck ?

The optimum particle size for broilers is influenced by the feed form, age and sex of the animal, its state of health and the raw materials used.Due to specific abilities of the beak to tactile perception, chickens prefer to pick coarse particles.
For young chicken, finer granulation is required, due to their still underdeveloped digestive system. The provision of crumbled feed is recommended in order to achieve higher feed intake,it can improve nutrient absorption in young animals,also avoid segregation and minimize feed wastage.In the first 6 weeks, 1-3mm powder is generally used.
For the large chicken ,the feed should be 2-4mm,the farmer should take care of different period.Like chicken before the litter, the feed should include 2-4mm stone powder pellets, so as to ensure the quality of eggshell.
Although finer particle size is thought to improve digestive quality, it will markedly increase energy consumption during milling. It will increase diet costs of chicken.
Indian research at CCS Haryana Agricultural University investigated the effects of five different particle sizes (2 &#; 6 mm pellet size ) in broiler feeds. General conclusion was that feed particle size resulted from the 5mm was most efficiently utilised by the broilers, as it resulted in improved FCR, reduced electricity consumption for grinding and better body weight gains in birds.

What&#;s The Best Pellet Size For Livestock,Like Cattle,Goat ?

For calves ,overall performance was good with 3mm pellet.
For adult cow ,6mm pellet is better .That improved intake on a 6mm pellet compared to a 3mm pellet would minimise growth checks at weaning and enhance rumen development.

What&#;s The Best Pellet Size For Fish,Like Catfish,Rainbow Trout ?

In aquaculture, most commonly found in pellet form.It is amongst the most important factors that can impact fish growth rates. Fish of different sizes should be fed pellets with different diameters.
Pellet size is clearly important from one key physiological perspective &#; the individual&#;s mouth. Give a fish a pellet larger than its gape, and not only may it have trouble eating that pellet, but it could even choke.
For example, rainbow trout essentially &#;chew&#; large pellets before swallowing them. During chewing, some feed is lost into the water, and with it precious nutrients that could otherwise be used for growth. But not the small the better,the issues with small pellets lie in the fact that they contain relatively lower levels of nutrients compared to larger ones. Give a fish too small-a-sized pellets, and it has to spend more time finding and consuming enough pellets to meet its energy requirements. It will cause low body growth.
As a general rule of thumb, pellet are generally considered optimal at sizes 25% &#; 50% of the fish&#;s mouth width.

Here We Take Rainbow Trout As Sample

Life stage Early fry Fry Fingerling Grower Broodstock Fish size (g) <0.1 0.1&#;1.0 1.0&#;15 15&#;1 000 >1 100 Feed type/specification Crumble Crumble Pellet Pellet Pellet Feed/pellet size (mm) <0.44 0.44&#;0.59 1.5&#;2.0 2.0&#;5.0 5

Conclusions

Larger pellets are not always better in terms of growth,it may decrease digestion quality, but not as much as some might think. Smaller pellets contain relatively lower levels of nutrients compared to larger ones,it will reduce animal bogy weighing growth and increase growth time.
When deciding on the optimum amount of feed particles, a compromise must be found between improving the digestibility of feed and reducing the productivity cost .This includes determining the best manufacturing methods, and looking at methods for feed product evaluation, and it can be managed with good attention paid to the rest of the process.

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