The red junglefowl (Gallus gallus) is thought to be the original ancestor of the chickens that today languish in the appalling conditions of factory farms. Despite being relatives, these two birds look wildly different—all because of human manipulation

All broiler farmers want their broiler chickens to be big while they earn optimal profits from the birds. To achieve this, it is important to know the right or expected quantity of feed to give broiler chickens which usually comes as a broiler feed consumption chart. This is required to avoid wastage or overfeeding as well as allow the farmers to plan how to buy or produce feeds for the chickens.

Every quest has a mission and an expectation, without an expectation, morale will go down and resources will dry out. So, it is almost important as a poultry farmer to have an expected weight of your broiler chickens as they age, this will not only raise your morale and enthusiasm but will as well lead to better welfare for your broiler chickens to attain the much desire weight- You will be focused with a target and with a better management

Have Chickens Always Weighed The Same Over Time?

Natural selection and evolution mean that chickens in their current form have not necessarily always weighed the same. Factors such as natural interbreeding, climate change, and food availability can gradually affect the size of various bird species. But because of human intervention, there are some breeds of chickens whose weight has drastically changed over a much shorter time.

Thanks to industrial farming practices, breeds of chickens destined for human dinner plates have undergone serious changes in just the past several decades. Known as conventional, or rapid-growth breeds, these chickens have been bred to put on a lot of extra weight as fast as possible—which comes at a serious cost to the birds. Their bodies aren’t meant to support so much weight, so they fall prey to lameness, joint problems, and occasionally even broken bones.

How Big Is A Full-Grown Chicken?

The average weight of roosters and hens can vary wildly depending on the breed. The information below comes from this list illustrating some of the more popular breeds of chickens and their respective weights.

Small Chicken Breeds

Among the smallest chicken breeds is the Sebright bantam. These tiny birds reach an adult weight of only 22 ounces as roosters or 20 ounces as hens. The Nankin breed can be similarly tiny, coming in at 24 ounces for roosters and 22 ounces for hens. Also on the smaller end of the spectrum are Araucana and Lakenvelder breeds, which weigh around 5 pounds for roosters and 4 pounds for hens.

Medium-Sized Chicken Breeds

Medium chicken breeds include Leghorns, at 4.5 pounds for hens and 6 pounds for roosters, and Wyandotte, Australorp, Rhode Island Red, and Delaware breeds, all of whom weigh roughly 6.5 pounds for hens and 8.5 pounds for roosters.

Large Chicken Breeds

Some chicken breeds can grow larger than you might expect. These heftier breeds—including Sussex, Plymouth Rock, and Orpington—can range from 7-10 pounds, while others can be larger still. Roosters from the Brahma breed can reach 12 pounds, with hens coming in at 9.5 pounds.

How Is FCR Calculated In Poultry?    

   The feed conversion ratio (FCR) is defined as the amount of feed needed to increase the animal’s body weight by one kilogram.   The FCR can be calculated by taking the total amount of feed consumed by the chicken and dividing it by the amount of weight gained or the number of eggs produced.

That is input divided by output. For your broiler production, an FCR of 1.5 means that your broiler chickens gain 1 kilogram of weight for every 1.5 kilograms of feed consumed.

What’s The Average Size Of A Chicken?

There are hundreds of breeds of chickens living all around the world, yet in industrial factory farms, there is far less diversity. These recognized breeds are largely grouped into two categories: large and bantam, with the bantam breeds tending to be smaller.

In the US, nearly all of the chickens raised for meat and eggs are on factory farms in the most dire and dirty of conditions. Behind closed doors, they suffer moment by moment and day by day—notably because their bodies can’t support their oversized weight., Within these industrial farms, it’s typical to find two main types of chicken breeds. Hybrid White Leghorns are used in egg production, while chickens raised for meat are commonly a hybrid between Cornish hens and Plymouth Rock breeds.

What’s The Average Chicken Weight?

Though chicken breeds vary in size and shape, with some featuring bigger plumage or weightier muscles, their average weight is around 5.7 pounds. However, in factory farms where they are selectively bred to grow so big, so fast, their average weight can be closer to 9 pounds when they are just two months old—more than four times the size of chicken raised for meat just 60 years ago.

What Is The Weight Of Broiler Chicken Per Day?

 In general, broiler weight 40 g at hatch  From the chart, at week 1, an average daily weight gain is 18.57g  Therefore, the weight of a broiler chicken per day for the first week is (40g + 18.57 = 58.57g)   58.57g

What Is The Weight Of The Broiler At 4 Weeks? 

 From the chart above, a male and female broiler chicken should attain the average weight of 1.410kg (1410g) and 1.250kg (1250g) respectively

What Is The Weight Of The Broiler At 6 Weeks?

From the chart above, a male and female broiler chicken should attain the average weight of 2.700kg (2700g) and 2.300kg (2300g) respectively

How Many Kgs Of Feed Will A Broiler Consume In 8 Weeks? 

A male broiler chicken will consume about 7.4kg and weigh 3.9kg, and

A female broiler chicken will consume about 6.8kg and weigh 3.3kg at 8 weeks

Do Broilers Need Light At Night?

Broiler needs light at night for optimal growth and weight gain. They should be fed al-libidum-that is you should feed them both day and night with plenty of water, especially for the first few weeks.

What Helps Broiler Gain Weight Fast?   

A broiler chicken will grow and gain weight fast when it has good welfare and its genetic potential is a harness, like taking advantage of the first 7-day of a chick’s life, sort and spacing the birds, using natural growth promoters, well-formulated feed, and plenty of water, etc. 

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