Poultry Farming Basics

Everything that determines a pullet's reproductive output is shaped during the first 22 weeks of life. Most of what goes wrong during lay was already decided in the rearing house. The same is true for what goes right. Uniformity determines when a flock peaks and how long it holds. Highly uniform flocks reach peak egg production earlier, achieve higher peak levels, and maintain that production advantage throughout the laying cycle (Petitte et al., 1981; Abbas et al., 2010). Uniformity does not appear on its own. A social hierarchy forms fast. Dominant birds eat first. Subordinate birds wait and fall behind on body weight. Van Emous et al. (2024) confirmed that separating pullets by weight reduces social feeding competition and supports more consistent development. Uniformity can exceed 90% right after grading. Sorting also protects the body development sequence. A pullet builds in a fixed order: skeleton first, muscle next, then fat during weeks 15 to 22, as Grandhaye et al. (2019) described. Pullets above the standard growth curve deposit excess fat and reach sexual maturity too early, a pattern the Cobb Breeder Management Guide links to laying cycle losses. Pullets below the curve enter production with reduced body capacity. Van der Klein et al. (2018) confirmed that photostimulation response depends on body weight and body composition reaching specific thresholds. The Cobb Breeder Management Guide sets dry bodyweight at 2,450 to 2,600 grams at stimulation, with 95% of birds at a fleshing score of 3 or above and 85% with pelvic fat. One sort is not enough. By week 8, heavier birds are crowding lighter ones off feeders. Zuidhof et al. (2015) showed that uniformity is shaped by ongoing management, not genetics alone. Each follow-up grading catches those shifts before they compound. Van Emous et al. (2013) found that adjusting crude protein by weight group during rearing improved body composition and laying performance. Before photostimulation, the Cobb Breeder Management Guide sets the target at uniformity above 70% and a CV below 10. Pishnamazi et al. (2014) confirmed that stimulating an underweight flock delays sexual maturity. The BAT1 manual scale and BAT1 Sorting Machine make this manageable. The BAT1 records each bird's weight automatically to within one gram and calculates uniformity and CV in real time. The Sorting Machine connects directly to the scale and routes each bird into one of three weight groups plus a super-light category. One person runs the full operation. Each grading event confirms the last sort worked and sets direction for the next. The rearing period is the foundation of every laying cycle. Consistent, accurate weight data at each grading event is how you protect what you have built.

#Elsakout Body Composition During Rearing and Lay Periods The relationship between body composition during the rearing and laying periods of broiler breeder hens plays a pivotal role in optimizing egg production, particularly in the later stages of production. 1. Importance of Abdominal Fat Adequate abdominal fat at specific rearing stages—20 to 22 weeks of age—has a significant carryover effect on egg production. Studies and commercial observations reveal that hens with at least 1% abdominal fat at 20 weeks, or 1.2% at 22 weeks, can produce 3 to 5 more eggs during the production phase. This result is attributed to higher dietary energy-to-amino-acid ratios during the rearing phase, which promotes fat deposition while slightly reducing breast muscle development. 2. Impact of Breeder Lines While trends are consistent across various breeder lines, the total fat pad is influenced by genetic differences. Managers must monitor abdominal fat development as it fluctuates with age and environmental factors: Heat stress: Increases fat pad accumulation. High-fiber diets: Reduce abdominal fat deposits. 3. Fat Pad Variation Abdominal fat variation extends beyond the rearing phase into the laying period, often with greater intensity. Measuring abdominal fat and breast meat composition is critical for maintaining persistent egg production. This is because changes in body composition directly affect the nutrients available for egg formation. 4. Role of Body Reserves As hens age, their body reserves of fat and protein become increasingly critical for egg production. Positive reserves allow for efficient transfer of these nutrients into eggs. However, an inverse relationship exists between fat and protein composition: Higher fat reserves correlate with reduced muscle weight. Lower muscle weight results in fewer amino acids available for egg formation, decreasing egg weight but potentially increasing egg numbers. 5. Practical Implications for Management To maximize egg production: During rearing: Hens should achieve a controlled level of muscle and fat reserves before the laying period begins. Excessive weight gain or over-fleshing during rearing can lead to drops in egg production if weight loss occurs suddenly during laying. During laying: A steady growth rate in muscle mass supports sustained egg production in the later stages. Conclusion Balancing fat and protein body composition is essential for maximizing egg production and persistence. Monitoring and managing these factors through tailored nutrition and environmental conditions can lead to more efficient and profitable outcomes in broiler breeder operations. Contact Us: Day old Chicks & Hatching Eggs Eastern Coast Poultry K.S.A Marketing Manager Eng : Ahmed El-Sakout Poultry Production and Nutrition Consultant 📧ahmed.sakout@sa-ecg.com 📱Mobile +966578241460 #FoodSecurity #AgribusinessManager #AgriSolutions #BusinessDevelopment #incubation #development #formation

In poultry farming, particularly in laying breeders, light plays a crucial role in stimulating reproductive behaviors. Both the lighting hours and light intensity can influence the laying performance and overall health of the chickens. Lighting Hours (Photoperiod): - Photoperiod refers to the number of hours of light the chickens are exposed to in a day. The correct photoperiod can help regulate their hormonal cycles and influence egg production. - Light stimulation is typically used in breeding programs, and its management can induce sexual maturity and encourage egg-laying. - In commercial laying breeders, a photoperiod of 16-18 hours of light per day is common. However, this varies depending on the age, breed, and specific objectives of the farm. - Increase in lighting: For younger chickens or pullets, light exposure might be gradually increased to stimulate reproductive readiness, starting from 8–10 hours of light and increasing to 14–16 hours. Light Intensity: - Light intensity refers to the brightness of the light that chickens experience. It’s measured in lux (lx), where 1 lux is equivalent to 1 lumen per square meter. - The intensity of light plays a role in how effectively light affects poultry behavior and egg-laying. The intensity needs to be strong enough to be perceived by the birds but not too strong to cause stress. - A general recommendation for laying breeders: - Low intensity (10-50 lux) might be used during the dark period to simulate dawn and dusk, promoting natural behavior without overstimulating them. - Moderate intensity (50-150 lux) is often used during the active light period. It has been shown to be optimal for stimulating laying in breeder hens. - High intensity (>150 lux) is typically avoided for prolonged periods, as it could stress the birds and interfere with their well-being. Light Source Placement: - The distance between the light source and the chickens is essential for maintaining appropriate light intensity. For example, if the light is too close to the birds, the intensity may be too high, while if it is too far, the light may be insufficient. - In practice, light sources are typically placed at a height of 2–3 meters above the flock to ensure uniform light distribution. - For adequate lighting, especially when using artificial sources like LEDs or fluorescent bulbs, the goal is to provide consistent lighting without shadows or dark spots. Practical Guidelines: - Light intensity at the level of the chickens should be 50-150 lux for optimal laying performance. - The lighting system should be evenly distributed across the area to prevent birds from experiencing areas that are either too bright or too dark. -Dimming systems can be used to regulate light intensity based on the time of day (e.g., gradual transition from light to dark) to mimic natural conditions.

🌍 Nutrient Standards for SASSO Traditional Poultry Breeders (SA31A) Over the past weeks, many colleagues and industry friends asked me to share clear guidelines for nutrient levels in breeder management. To support this, I’m using the official SASSO Breeding Manual (PDF available in three languages: English, Spanish, French). This manual provides an excellent reference for both rearing and laying periods, helping ensure consistency across farms worldwide. 🔹 Rearing Period (0 – first egg) During the rearing phase, the focus is on frame and organ development. Nutrient levels gradually adapt to match growth requirements: Energy: 2640–2760 kcal/kg Protein: 20% → 15% Calcium: 1.0–2.0% Key digestible amino acids (Lysine, Methionine, Threonine) step down slowly to avoid deficiencies while supporting healthy skeletal structure. 📌 Proper nutrition here prevents overweight pullets, ensures correct body composition, and sets the flock up for high performance in lay. 🔹 Laying Period (first egg – end of cycle) Once production begins, the balance shifts toward egg output, shell quality, and fertility. Energy: 2600–2650 kcal/kg Protein: 16% → 12–13% Calcium: 3.9–4.0% (critical for strong shell formation) Males: lower protein (12–13%) and calcium (0.8%) to maintain fertility and prevent metabolic stress. 📌 These guidelines help maintain consistent production curves, strong hatchability, and robust chick quality. ⚖️ Why this matters Nutrition is one of the strongest levers we have in breeder management. The right balance of energy, protein, minerals, and amino acids directly impacts: ✅ Skeletal strength and body condition ✅ Peak and sustained egg production ✅ Egg weight and shell strength ✅ Fertility and hatchability rates ✅ Chick viability and early performance The SASSO manual is a great tool because it gives practical nutrient targets, but it also reminds us that adjustments may be required depending on climate, housing, equipment, and local raw materials. No two farms are identical, so the best results come from using these standards as a base and fine-tuning with regular monitoring. 💡 For me, this highlights how science-based nutrition programs can secure both animal welfare and farm profitability. #Poultry #Breeders #SASSO #PoultryNutrition #EggProduction #AnimalScience #FeedManagement #Hatchability #Genetics

#How to get early egg size from a pullet hen? To get larger early eggs from pullets, focus on proper nutrition specially adequate protein,calcium,essential amino acids like methione,lenoleic acid. Additionally, manage light stimulation and body weight to ensure pullets reach sexual maturity at a healthy weight and appropriate age. To encourage larger egg sizes in pullets (young hens) early in their laying cycle,focus on providing a high-protein diet , ensuring adequate calcium and methionine intake, and potentially supplementing with linoleic acid.Additionally, managing pullet weight and light stimulation can influence egg size. At a Glance----Key points of considerations A.Feed a Balanced diet B.Light stimulation at correct phase/time C.Optimization of body wt D.Minimize any stresses 1. Nutrition: Protein and Calcium: Ensure a high-quality layer feed with at least 16% protein and adequate calcium, as deficiencies can negatively impact egg size. Amino Acids: Supplement with methionine and linoleic acid, which are crucial for egg size. Consider adding soybean oil or flaxseed to increase linoleic acid intake. Balanced Energy: A proper balance of energy and fat in the feed is crucial, as an excess of energy can decrease feed intake and potentially reduce egg size. Feed Consumption: Encourage feed intake by adjusting feeding frequency, lowering house temperature, or using mash or pellet feed to prevent selective eating.  Phase Feeding: Adjust feed formulations as pullets mature, ensuring adequate amino acid intake based on body weight and target egg size. . Feed Type: Choose a mash or pellet feed to avoid deficiencies caused by selective eating. 2. Light and Pullets Body Weight Management: Light Stimulation: Delay light stimulation if pullets are underweight at the typical onset of lay (around 18 weeks). This allows for better body weight development and larger eggs.  Body Weight: Aim for optimal body weight at sexual maturity. Heavier pullets tend to lay larger eggs.  Lighting Programs: Use a lighting program that allows for gradual increase in light exposure, mimicking natural seasonal changes. .Temperature: If possible, lower environmental temperatures to stimulate feed intake, which can lead to increased weight gain and larger eggs. Breed Selection: Choose breeds or hybrids known for producing larger eggs 3. Other Factors: Stress Reduction: Minimize stress in the flock, as stress can negatively impact egg production and size. Temperature Control: If egg size is increasing too quickly, you can slightly increase the shed temperature to reduce feed intake and maintain a more consistent egg size. Breed Selection: Choose breeds known for laying larger eggs. Avoid Over-Treating & Stress : Limit treats and scraps, as these can reduce feed consumption and negatively impact egg size.

🐓 Keeping layer hens for 100 weeks is generally more profitable than 72 weeks because it spreads the costs of raising a pullet (young hen) over a longer production period, results in more saleable eggs per bird, and offers better resource utilization and a reduced carbon footprint per kilogram of eggs. 🥚 An extension of the laying period for hens up to 100 weeks is a trend in the poultry industry, achieved through genetic selection for long-life layers and careful nutritional and management practices to maintain egg production and quality. This practice offers benefits such as increased profitability from fewer bird replacements, improved sustainability by producing the same number of eggs with fewer birds, and higher welfare standards. Success requires a comprehensive approach, starting from the pullet phase and focusing on nutrition, disease control, and stress prevention, especially for eggshell quality, which declines with age. 🐔 When layers are kept in production for 100 weeks instead of 72 or 80 weeks, egg output and associated export of nutrients is much higher. Egg mass, and therefore also yolk output, increase enormously, as is the case with egg shell and the calcium in it. High performing birds need a perfect feeding strategy to maintain the desired performance levels. 🐤 To manage a layer bird's extended lifecycle, maintain excellent housing, ventilation, and clean water, implement a consistent lighting program, ensure a nutritionally balanced diet with appropriate fiber and calcium levels, manage feed intake to prevent fat deposition, prevent diseases through biosecurity and vaccinations, and regularly monitor bird health, weight, and egg production to make necessary adjustments.

The period when a hen begins laying eggs is one of the most critical phases of her life. This stage marks the transition from growth to production, and building a strong foundation during this time is essential for unlocking the hen's genetic potential for maximum egg production, quality, and longevity. During this phase, hens experience key biological changes, including sexual maturity, the mineralization of medullary bone (a calcium reservoir for eggshells), and a significant increase in nutritional demands. Inadequate nutrition during this period can negatively affect egg production, shell quality, and overall hen health. What is Hybrid Feed? Hybrid feed is a specialized feeding strategy designed to support a pullet's body development and help hens achieve an optimal start to egg production. It provides the specific nutrients needed for both continued growth and the onset of laying. Here are the key nutritional features of hybrid feed: * High Amino Acids: High levels of amino acids promote the optimal growth of organs, particularly the reproductive tract and liver, which is crucial for a successful start to production and desired egg weight. Research shows that a diet high in amino acids can help hens achieve 30% egg production and a desirable egg weight earlier. * High and Coarse-Particle Calcium: Providing adequate dietary calcium is essential for eggshell formation. At least 60% of the calcium should be in coarse particle form, which ensures slower release and prolonged availability. Proper calcium levels during the early lay phase have long-lasting benefits for shell quality. * Low Energy: Lower energy levels in the feed are used to encourage hens to consume more feed for a longer period during the early weeks of laying. * Fats: Adding fats to the feed during the early stages of production can improve egg-laying rates and egg weight. Fats are an efficient energy source and help the hen utilize amino acids better. * Crude Fiber: Dietary fiber stimulates the growth and function of digestive organs, enhancing nutrient absorption and overall feed consumption. The crude fiber content should match that of the developer phase feed. * Salt: A minimum of 0.28% salt is recommended in the hybrid feed formulation to enhance its palatability and stimulate feed intake. How to Use Hybrid Feed The document outlines a simple four-step process for implementing a hybrid feed program: * Step 1: Transfer pullets to the production house and feed them a developer diet until they reach the recommended body weight for light stimulation. * Step 2: Once the correct body weight is achieved, begin light stimulation and simultaneously switch the diet from developer feed to hybrid feed. The use of a pre-lay feed is not recommended. * Step 3: When the flock reaches 70% egg production, switch their diet from hybrid feed to a Phase 1 feed. * Step 4: When the flock is 25 weeks old, change the feed to match your specific market's production goals.

The Golden 10 Roles for Feeding layer breeds for longer laying cycles : 1- Genetic Potential improved persistency of commercial laying hens enables egg producers to keep flocks longer in production, provided egg shell quality can be maintained.” The yearly changes included nearly +1 egg, -0.01 gm feed/dozen eggs, -10 gm final bodyweight, 0.02% mortality decrease , and +1 week at >90% egg production. 2- Increasing H.H egg production is mainly due to longer clutch length and improved flock uniformity % of layer pullets , The Commercial goal is 600 eggs in one cycle 120 weeks with no molt by 2030 . 3- Long laying cycle programs start during Pullet early rearing, Instead, you must start with your end goals, such as persistency, egg size and shell quality. 4- Develop a high performance life-cycle approach needs to high focus on feeding, lighting, nutrition, and management, Important issues to manage perfectly . 5- Mature body weight dictates subsequent egg size. In the past, the common goal was being at or below , management guide weight recommendations. For extended lay, a larger body weight results in to large an egg past 70 weeks of age, and so it is more difficult to maintain egg shell quality. Now the goal is to grow a slightly bigger pullet, and emphasis changes to achieving adequate early egg size from this bird. This makes pre-lay nutrition for these slightly larger pullets even more important . 6- Scheduling of rearing diets is more important than diet formulation : * Starter diet ( 19-20% CP, 2,850-2,900 kcal ME/kg ) from day old to target pullet body weight . * Grower diet 18-19% CP, 2,750-2,800 kcal ME/kg maintain target body weight to mature body size . * Developer diet 15-15.5% CP, 2,700-2,750 kcal ME/kg from target body weight to maintain skeletal and internal organs growth and body frame . * Pre-lay diet (or layer diet?) 17-18% CP, 2,700-2,750 ME/kg, mature body size to first egg * laying diet 1st  phase 17-18% CP, 2,725-2,775 ME/kg, From 19 till 50 week or Egg mass above 59g/hen/day All nutrients are important, but Energy is usually limiting for egg number, whereas protein/amino acids influence feathering and egg size . 7- There is now even more focus on pullet growing to ensure adequate fat reserves through peak production, so birds are in a positive energy balance. The establishment of an energy reserve occurs during the rearing phase and has a significant effect on the bird’s body composition at point of lay. 8- The obvious solution to manage body weight and egg size is to light-stimulate a Standard or preferred 10% + pullet standard weight , or at least to not light-stimulate the light pullets. 9- Egg size can be increased by : * Reducing environmental stress and temperature, To stimulate feed intake * Midnight feeding snack in rearing and production till first 30 weeks * Adequate AA nutrition intake, tailored feed intake ( Methionine ) * Increased number of feedings/day and increased feed particle size (Pellets)

🐔🐓📬🪡The Dynamic Nature of Breeder Nutrition Breeder flocks undergo significant physiological changes throughout their production cycle, from pullet development to peak production and subsequent decline. These changes directly influence their nutritional needs, making precision nutrition a cornerstone of successful poultry production. 🐓🐔📍🧾 📌🏷️Key Physiological Stages and Nutritional Implications: 📍Starter Phase: During this critical period, birds are rapidly growing and developing their skeletal and immune systems. A diet high in protein, energy, and essential amino acids is essential to support these processes. Additionally, adequate levels of vitamins and minerals are crucial for optimal growth and development. 📍Developer Phase: As birds approach sexual maturity, their nutrient requirements shift to support the development of reproductive organs. A balanced diet that provides the necessary building blocks for egg production is essential. 📍 Layer Phase: Once birds begin laying eggs, their nutritional needs increase dramatically. Calcium, phosphorus, and vitamin D are of paramount importance for eggshell quality, while adequate levels of energy and protein are required to sustain egg production. 📍Spent Flock Phase: As hens age, their reproductive efficiency declines. A diet tailored to their reduced nutrient requirements can help maintain bird health and prolong their productive life. 🔊🧾🧮Factors Influencing Nutritional Requirements 🧷Genetics: Different genetic lines have varying nutrient requirements and growth rates. 🧷Environmental conditions: Factors such as temperature, humidity, and lighting can influence nutrient utilization and metabolic rate. 🧷Disease challenges: Disease outbreaks can increase nutrient requirements and alter nutrient utilization. 🐔🐓🔊Precision Nutrition Strategies 🧷Nutrient profiling: Conduct regular nutrient analyses of feed ingredients to ensure consistency and accuracy in diet formulation. 🧷Feed formulation software: Utilizing advanced software to develop precise diets that meet the specific needs of each production stage. 🧷On-farm monitoring: Implementing monitoring systems to track feed consumption, bird performance, and environmental conditions. 🧷Regular adjustments: Making timely adjustments to diets based on changes in bird performance and environmental conditions. 📬🪡🧾Benefits of Precision Nutrition 📌 Improved bird health and welfare 📌 Enhanced reproductive performance 📌Optimized feed conversion ratio 📌Reduced mortality 📌 Increased sustainability 🔊🧮🗞️🏷️By implementing a precision nutrition program, poultry producers can optimize flock performance, minimize production costs, and ensure the long-term sustainability of their operations. #breederflocks #poultrynutrition #feedformulation #precisionnutrition #animalagriculture #productionmanagement #poultryhealth #eggproduction #hatchability

#Tibia_bone for Long-Term Egg Production Success:- 🥚 In the #Brooding and #Rearing stages, the #Laying_performance of your future flock is being determined right now. While many producers focus solely on body weight, achieving "dual qualification"—balancing both Tibia Length and Body Weight (BW)—is the real key to a high-performing flock. 🦴Why Does Tibia Length Matter❓️ #Tibia_Length reflects skeletal and bone development. #Body_Weight reflects physical condition and organ development. When these two are in sync, #Pullets show proper #Feed_intake, timely #Onset_of_Lay, and a longer peak laying period. However, an imbalance can lead to serious issues: pullets with a short tibia but high BW are at a much higher risk for #Prolapse, #Salpingitis, and elevated mortality. 🪟Critical Development Windows:- To ensure your flock hits these standards, focus on these key timeframes: ■ 0–6 Weeks: Build the early Body Weight foundation with highly digestible nutrients. ■ 0–8 Weeks: This is the Rapid Tibia Growth Stage. Aim for tibia uniformity > 90%. ■ 8–12 Weeks: Synchronize weight and skeletal growth to ensure both reach standard targets. 💼The Hidden Challenge: Hepatobiliary Overload:- Many producers use high-protein, high-energy diets to boost growth. However, young #Chicks have immature liver and gallbladder systems. This can lead to insufficient #bile_acid secretion, resulting in: ○ Poor absorption of #Fat_soluble_vitamins. ○ #Fatty_liver and nutritional diarrhea. ○ A scenario where BW reaches the target, but tibia length fails to develop properly. ☀️The Solution: Use #Emulsifiers in Rearing:- Using Emulsifiers and other relevant #Feed_additives will ~ Enhance the digestion and absorption of proteins and fats. ~ Improve uniformity by ≥ 5%. ~ Support #Detoxification and reduce the burden on the liver. ~ Prevent fatty liver and reduce feed waste. #PoultryNutrition #AnimalScience #EggProduction #AnimalNutrition #PulletManagement #LayerFeed #FeedFormulation #LayerManagement