Nutri Opt splitfeeding system Optimal supply of nutrients

Nutri. Opt split-feeding system Optimal supply of nutrients to enhance the persistency II Yumurta Zirvesi 5 – 8 Kasim 2015 Belek / Antalya Felipe Sánchez Trouw Nutrition Application & Solution Center

What is Nutri. Opt split-feeding ? • A feed system to optimise egg production. • Provide a more precise supply of nutrients to meet with the requirements of the specific phases of egg formation. • Hens are fed two different diets per day: üMorning diet: meets the requirements for egg production. üAfternoon diet: meets the requirements for eggshell formation. 2

Nutri. Opt split-feeding – Benefits §Improve eggshell quality. §More persistency and saleable eggs ( +2 eggs/ hen). §Reduction of feed cost ( - 6 € / MT feed). §Reduce the excretion of nutrients by faeces. 3

Nutri. Opt split-feeding – Concept Different formation phases of the egg Feed intake during the day According to egg formation process Nutritional requirements of laying hens In relation to egg formation process 4

Different formation phases of the egg • 30 minutes after the current oviposition the next ovulation occurs. • During the first 3 h 30 min the white is produced. • After forming shell membranes, the eggshell begins to be formed => Ca deposition (20 hours). • Hens lay > 90% of their eggs during the morning. • Interval between ovipositions => 24± 1 hours. Adapted from Etches, 1986, Leeson| 5 and Summers, 1978, Larbier and Leclercq, 1992, Keshavarz, 1998).

Feed intake during the day According to egg formation process • Feed intake patterns are different 40% during the morning 60% during the afternoon |6 Adapted from Keshavarz, 1998)

Nutritional requirements of laying hens In relation to egg formation process When laying hens are able to select nutrients: Laying hens adapt their nutrient intake depending on time Energy Intake 4 45 35 Ca - intake Deficiency 3 2 Excess 25 6 10 14 18 Time of the day 22 Excess 0 6 10 14 18 Time of the day 22 Choice feeding 8% less Energy Intake Excess 0, 75 0, 5 1 15 Deficiency 1 Calcium (g) CP (g) EM (kcal) Protein Intake Deficiency 55 egg formation phase 11% less CP intake 0, 25 0 6 10 14 18 Time of the day 22 Single feed 26% less Ca intake Adapted from Chah, 1972

Trouw Nutrition R+D • 9 trials ( 2005 – 2012) performed focused on: 1. Determine optimal nutrient levels in the morning and afternoon diets. 2. Demonstrate the benefits obtained with Nutri. Opt split-feeding : üImprove the persistency, more saleable eggs. => improve eggshell quality. üFeed cost savings. üReduce the excretion of nutrients. 8

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Demonstrate the benefits obtained with Nutri. Opt split-feeding 10

Improves the eggshell quality (PPI-34; 37; 38; 40) Treatments (PPI-38) Eggshell weight, g Eggshell thickness, mm SWUSA, mg/cm 2 Single feed 5. 75 b 0. 372 b 80. 5 b Split Feeding 5. 84 a 0. 376 a 81. 3 a Probability 0. 0089 0. 0736 0. 0989 Results of PPI-40 Increase eggshell thickness, eggshell weight, SWUSA 11

Improves the persistency, more saleable eggs (PPI-37) Feed Eggs production, % Saleable eggs production, % Single feed 73. 17 66. 74 Split-Feeding 72. 23 69. 26 (91 -94 weeks) (95 -98 weeks) Split-Feeding increases the number of sellable eggs by reducing the amount of broken and shell-less eggs. 12

Reduction of the amount of nutrients excreted ↓ 5% 13

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Nutri. Opt split-feeding implementation Canadá - 2013. China 2014 Turkey Guatemala - 2015 Colombia - 2014 India 2014 | 15

Nutri. Opt split-feeding - Summary • Nutri. Opt split-feeding brings the optimal supply of nutrients to meet the needs of hens in the egg formation process. • Brings a more profitable and sustainable egg production, with a lower production cost. • These benefits can be achieved easily with Trouw Nutrition´s Nutri. Opt system, utilizing all the knowledge from R&D findings. 16

Thank you 17