BREED/STRAINS OF COMMERCIAL LAYERS IN INDIA

Layers

BV-300 (White)

Layer stock performance specifications

1. Livability at growing period – 97 – 98%
2. Livability at laying period- 94 – 96%
3. Peak egg production – 97% +
4. No of weeks above 90% egg production – 40 +
5. Per hen housed (up to 72 weeks of age) – 330 +
6. Average egg weight up to 72 weeks of age – 58g
7. Feed efficiency – 124g
8. Body size at 20 weeks – 1.3 – 1.36 kg
9. Body size at 72 weeks – 1.6 kg

Parent stock performance specifications

1. Female livability from 0 to 20 weeks – 95%
2. Female livability from 21 to 72 weeks – 92%
3. Male livability from 0 to 20 weeks – 90%
4. Male livability from 21 to 72 weeks – 92%
5. Age at start of Hatching Egg – 25 weeks
6. Number of hen housed eggs at 21 to 72 weeks – 287
7. Number of settable hen housed eggs at 25 to 72 Weeks – 260
8. Average % of hatching eggs – 90.5
9. Average % of hatching eggs (On set eggs) – 90.5

BV 380 (Brown)

Parent stock performance specifications

1. Female livability from 0 to 20 weeks – 97%
2. Female livability from 21 to 72 weeks – 92%
3. Male livability from 0 to 20 weeks – 95%>
4. Male livability from 21 to 72 weeks – 96%
5. Age at start of Hatching Egg – 25 weeks
6. Number of hen housed eggs at 19 to 72 weeks – 289+
7. Number of settable hen housed eggs at 25 to 72 weeks – 240+
8. Average % of hatching eggs – 83.3
9. Average % of hatching eggs (On set eggs) – 84.0
10. Female Body weight at 21 week – 1.5 kg
11. Female Body weight at 72 week – 1.85 kg
12. Feed Consumption /Female Housed at 0 to 20 weeks – 7.5 kg
13. Feed Consumption /Female Housed at 21 to 72 weeks – 43 kg

Hyline W-36

Growing period (upto 17 weeks)

1. Livability — 97%
2. Feed consumed — 5.21 kg
3. Body weight at 17 weeks – 1.24 kg
4. Laying period (upto 110 weeks)
5. Livability to 60 weeks – 96%
6. Livability to 80 weeks – 94%
7. Percent peak – 93-94%
8. Days to 50% production (from hatch) – 146
9. Total egg mass per hen-day (18-80 weeks) – 20.8 kg
10. Total egg mass per hen- housed (18-80 weeks) – 20.2 kg
11. Body weight at 32 weeks – 1.52 kg
12. Body weight at 70 weeks – 1.54 kg
13. Feed conversion rate (21-60 weeks) – 1.82
14. Feed conversion rate (21- 80 weeks) – 1.86
15. Feed per dozen eggs (21-60 weeks) – 1.29 kg
16. Feed per dozen eggs( 21-80 weeks) – 1.35 kg
17. Egg weight at 38 weeks – 60.1 g
18. Egg weight at 84 weeks – 63.5 g

Hyline Brown

1. Growing period (upto 17 weeks)
2. Livability — 97%
3. Feed consumed — 5.62 kg
4. Body weight at 17 weeks – 1.40 kg
5. Laying period (upto 110 weeks)
6. Livability to 60 weeks – 97%
7. Livability to 80 weeks – 94%
8. Percent peak – 94-96%
9. Days to 50% production (from hatch) – 140
10. Total egg mass per hen- housed (18-80 weeks) – 22 kg
11. Body weight at 32 weeks – 1.52 kg
12. Body weight at 70 weeks – 1.54 kg
13. Feed conversion rate (21-60 weeks) – 1.99
14. Feed conversion rate (21- 80 weeks) – 2.04
15. Feed per dozen eggs (21-60 weeks) – 1.47 kg
16. Feed per dozen eggs( 21-80 weeks) – 1.53 kg
17. Egg weight at 32 weeks – 61.6 g
18. Egg weight at 70 weeks – 64.1 g

Bovans White

Growing period (0- 17 weeks)

1. Livability – 97%
2. Body Weight (17 Weeks of Age) – 1175 g
3. Body Weight (18 Weeks of Age) – 1250 g
4. Feed Consumption (17 Weeks of Age)- 5.12 kg
5. Feed Consumption (18 Weeks of Age)- 5.60 kg
6. Laying period (18- 72 weeks)
7. Livability – 94%
8. Age at 50% Production (Days) – 144
9. Percent Peak – 95%
10. Average Egg Weight – 60.5 g
11. Hen Housed Eggs – 330
12. Hen Housed Egg Mass – 20.0 kg
13. Average Feed Consumption per Day – 106 g
14. Kg Feed / Kg Eggs – 2.10
15. Body Weight (76 Weeks of Age) – 1700 g

Lohmann

Its livability during growing is 97-98% and during laying period is 94-96%.

1. Its feed conversion ratio (FCR) is 2.1 – 2.2.
2. Its body weight at 20 weeks is1.6 – 1.7 kg and at end of production is 1.9 – 2.1 kg.
3. Its hen housed egg production in 12 months is 295-305 eggs and in 14 months is 335 – 345 eggs.
4. Its peak production is 92-94%.
5. Its age at 50% production is 140-150 days.
6. Its egg shell color is attractive brown.

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