Making the Switch: Chick Feed to Layer Ration

By Jennifer Murtoff, Home to Roost LLC

It is always a big event when your chickens start to lay! You and your birds put so much hard work and dedication into that moment, and the feed you give your birds is an important part of that first egg, too.  As your birds mature from fuzzy chicks into fully feathered adults, their nutritional needs change. The chick starter/grower they were eating now needs to be replaced with layer ration. How can you support this transition and help them live their best lives as laying hens?

Why do I need to switch?

The feed switch from chick starter/grower is critical for the health of your growing birds. So how do the needs of chicks and laying hens differ, and what are the differences between chick starter/grower and layer ration? The short answer is that chicks need feed that supports healthy growth, and hens need feed that supports healthy egg laying.

In their first months of life, chicks’ bodies experience a lot of changes. They need a feed focused on muscle and skeletal growth. Because chicks develop so quickly, their feed requires higher protein, more amino acids, and higher phosphorus levels to support growth. Giving chicks layer ration too soon can cause kidney or liver damage and growth problems.

Layers, on the other hand, need feed that supports egg production. Hens put lots of nutrients into eggs, and the vitamins and minerals that form the shell and its contents come from the hen’s diet. In addition, minerals like calcium, magnesium, and phosphorus are important for powering  muscles to lay the egg. Adult laying hens also need higher levels of Vitamin D3 to support calcium absorption.

When should I switch?

Now that you know the why of switching from chick starter/grower to layer ration, let’s look at when. Most breeds start laying between 20 and 24 weeks of age. It’s important to start providing your hens with a quality layer feed before they begin laying. To prime your hen’s bodies for producing great eggs in the healthiest way possible, you should begin the switch to layer ration at around 16 weeks.

How do I make the transition easy?

Chickens are creatures of habit who like routines and continuity. Because chickens like things to be the same, it’s important to maintain consistency in nutrition. The best way to make a diet transition is to introduce the new food gradually. If you attempt to switch too quickly, you may see the following effects:

• Digestive upset: A new diet may cause intestinal distress. Signs include a change in the color and consistency of droppings: they may be darker or lighter, or drier or runnier. During a diet change, feeding too many treats also can cause digestive upset and affect the overall health of your birds.
• Refusal to eat: Chickens like things to be the same. It’s part of being a prey species. Their need for consistency includes their environment, flock mates, feeding times — and their diet. If you switch out a food all at once, they may not recognize the new feed and may stop eating altogether!
• Overall health decline: Birds who are not happy with their new feed may experience health effects or fail to thrive. They might eat less, thereby getting fewer nutrients. If they free range, they may eat too many things that do not contain the right nutrients, and their bodies will not be ready for the transition to laying.

Now that you know the importance of a gradual transition, you can keep in mind the following to help you transition from one feed to another.  

• Taste and smell: Formulated feeds from different companies have different ingredients, and it may be easier to stay with one brand, rather than switching brands. For example, Nutrena’s new improved NatureWise line includes essential oils that improve the taste and smell of the feed. If you start your birds on NatureWise Chick Starter Grower, they may move more easily to NatureWise Layer Feed.
• Visual appearance: The shape of the feed is important, too. Birds are very visual creatures, so they will move more easily to a new feed that looks familiar. Most chick feeds are crumbles, so your birds likely will transition more easily to a feed in crumble form, rather than to a pellet.
• Nutritional quality: You also want to make sure the new feed is nutritionally similar to or better than your chick feed. If you are feeding a high-quality chick feed, you should seek to maintain the same level of quality in your layer feed. Or better yet, find a layer feed that offers more and better nutrition. A shift to a lower-quality diet could affect the health of your birds at a critical time in their lives.

It’s important to transition to a layer ration that is similar to the chick starter you have been feeding. The similarity in texture and nutrients between Nutrena NatureWise Chick Starter Grower (left) and NatureWise Layer Crumble (right) can help your birds make the switch.

What are best practices for switching from chick diet to layer feed?

So how do you switch you birds from chick starter/grower to layer ration? The following are some tips that will help make the transition as easy as possible. You should always start by reading and following the instructions on the manufacturer’s label. Nutrena recommends starting the transition at 16 weeks, and your birds should have made the transition by 18 to 20 weeks. Your chickens may be just fine with this transition, but just in case, we recommend the following protocol.

• Transition slowly: Mix 25% layer feed with 75% starter/grower feed for a week. Then change to 50% layer feed and 50% starter/grower feed, again for a week. Next, provide 75% layer feed and 25% starter/grower feed for a week. And then finally provide only layer feed.
• Observe your birds: Monitor the birds closely. Check their crops, watch them eat, and check the feed levels to make sure they are eating. If they are not fed too many treats, layer hens should self-regulate their diet, eating about a quarter pound (1/2 cup) of food per bird per day. You may also want to weigh them every few days. You will need to adjust if there is any sign of weight loss.
• Slow down the transition: If they stop eating or start losing weight, return to the previous percentages of new and old feed and continue for a few more days. Then try to increase the percentage, and continue increasing, but at a slower rate.
• Observe nutritional needs: The layer feed should provide about 90% of your hens’ diet. Limit scratch and treats to no more than 10% of their diet. Feeding too many treats reduces the amount of nutrition your birds get from their feed. Limit treats to every few days, and then feed only about 2 tablespoons.
• Be consistent: Your chickens need consistency, so provide them with fresh food and water at the same time each day, preferably morning and afternoon. They should have both feed and water available at all times.
• Offer extras: Provide grit, small pieces of granite or other stones to help them grind up their feed. Also offer oyster shell or limestone, which is slow-release calcium, as opposed to the calcium in their feed, which is absorbed quickly by the body. These supplements should be provided free choice, in separate dishes from the feed, and available at all times. The birds are self-regulating and will eat as much grit and oyster shell/limestone as they need.
• Remember water: Fresh water is important to proper egg formation; eggs are mostly water. Make sure your birds have water at all times, even during the winter.

How do I choose a layer ration?

How do you select a layer ration for your birds? First, think about your expectations for your birds and find a feed that will fit those needs. You have a number of options, from bare-minimum feeds that offer very basic nutrition to feeds that are finely crafted for top performance.

For backyard flock owners, the goal is usually eggs. If this is your goal, choose a layer diet that will support your pullets as they make the transition to layers and prepare them to live healthy, productive lives. At the very least look for the minimum requirements of layer feed — 16% protein, 0.70% lysine, 0.30% methionine, 3.0% calcium, and 0.40% phosphorus.

Some premium feeds provide additional ingredients for optimal flock performance. For example, in addition to providing a solid nutritional foundation, Nutrena NatureWise includes the following:

• Pre/probiotics support good bacteria, prevent colonization of bad bacteria, and aid with absorption of nutrients.
• Yeast culture supports the immune system and gut microflora.
• Essential oils are plant extracts that provide several benefits:
  • Provide nutrition to support healthy immunity
  • Maximize egg production
  • Support healthy digestion
  • Encourage healthy growth/bone formation
  • Enable superior eggshell strength
  • Enhance feed taste and freshness
• Vitamin D3, an important vitamin related to calcium absorption, has the following roles:
  • Helps body absorb and use calcium
  • Improves hardness of eggshells
  • Supports stronger bones
  • Contributes to eggs that contain 37% more D3 than eggs from chickens fed a standard diet
• Tagetes meal (Aztec marigold) helps the hens produce golden egg yolks.
• Yucca schidigera extract reduces the amount of ammonia in your hens’ droppings, which minimizes coop odor.