IDENTIFICATION OF VARIOUS LAYER STRAINS IN INDIA.pptx

Layer strains in Poultry

1. AMP 201 LIVESTOCKS AND POULTRY(2+1) Dr.P.Chitra M.V.Sc ., Ph.D., Associate Professor (Veterinary and Animal Sciences) ICAR- Krishi Vigyan Kendra Pongalur , Tiruppur

2. IDENTIFICATION OF VARIOUS LAYER STRAINS IN INDIA IN RELATION TO ECONOMIC TRAITS MALARVENTHAN S 2021007037

3. STRAINS Strains are closely related inbred flocks with definite economic characters A strain is the name given by a breeder who has done breeding on the birds and introduced certain economic characters in the birds. A breed or a variety may have several strains and may be phenotypically alike but often differ on their production performance depending upon breeding history.

4. COMMERCIAL LAYER STRAINS IN INDIA BV-300 BV-380(BROWN) HYLINE W-36 HYLINE BROWN BOVANS WHITE

5. BV 300 They have white eggs shells and have yellow skin. The commercially available strains of white Leghorn are BV-300. It is single combed white leghorn.

6. ECONOMIC TRAITS Livability at growing period – 97 – 98% Livability at laying period- 94 – 96% Peak egg production – 97% + No of weeks above 90% egg production – 40 weeks Average egg weight up to 72 weeks of age – 58g Feed efficiency – 124g Body size at 20 weeks – 1.3 – 1.36 kg Body size at 72 weeks – 1.6 kg

7. BV 380 (BROWN) The feathers of BV 380 chickens are brown, and the eggshells of laying hens are brown. The BV 380 chicken has been widely praised since its introduction in 1981.

8. CONT.. It can be used for both egg production and chicken production. It is high-quality breeding, the BV 380 hens can lay as many as  308 eggs  per year.

9. ECONOMIC TRAITS Female livability from 0 to 20 weeks – 97% Female livability from 21 to 72 weeks – 92% Male livability from 0 to 20 weeks – 95%> Male livability from 21 to 72 weeks – 96% Age at start of Hatching Egg – 25 weeks Number of hen housed eggs at 19 to 72 weeks – 289+ Number of settable hen housed eggs at 25 to 72 weeks – 240+

10. HYLINE W-36 The   Hy -Line W-36  is the world’s most efficient egg layer with excellent livability. The   Hy -Line W-36  lays dozens of top-quality, strong-shelled eggs with minimum feed consumption, making her the industry’s lowest cost producer of eggs. 

11. ECONOMIC TRAITS Livability — 97% Feed consumed — 5.21 kg Body weight at 17 weeks – 1.24 kg Laying period ( upto 110 weeks) Livability to 60 weeks – 96% Livability to 80 weeks – 94% Percent peak – 93-94%

12. HYLINE BROWN Hy -Line Brown  is the world’s most balanced brown egg layer. It produces more than 467 rich brown eggs to 100 weeks, peaks well and begins lay early with optimum egg size. 

13. ECONOMIC TRAITS Growing period ( upto 17 weeks) Livability — 97% Feed consumed — 5.62 kg Body weight at 17 weeks – 1.40 kg Laying period ( upto 110 weeks) Livability to 60 weeks – 97% Livability to 80 weeks – 94% Percent peak – 94-96%

14. BOVANS WHITE The Bovans White is a well-balanced laying hen with strong livability, excellent laying persistency, and feed efficiency . The Bovans White laying hens produces a flat egg weight curve combined with very strong shelled egg.

15. ECONOMIC TRAITS Livability – 97% Body Weight (17 Weeks of Age) – 1175 g Body Weight (18 Weeks of Age) – 1250 g Feed Consumption (17 Weeks of Age)- 5.12 kg Feed Consumption (18 Weeks of Age)- 5.60 kg Laying period (18- 72 weeks ) Age at 50% Production (Days) – 144 Percent Peak – 95% Average Egg Weight – 60.5 g

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