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Comparative Egg Production, Fertility and Hatchability of Cobb-500, Ross and Hubbard-hi-yield Broiler Parent Stock in Bangladesh

F. Islam
Department of Poultry Science, Bangladesh Agricultural University, Mymensingh-2202. Bangladesh.

S. M. Bulbul
Department of Poultry Science, Bangladesh Agricultural University, Mymensingh-2202. Bangladesh.

M. A. Islam
Departmenl of Animal Science, Bangabandhu Sheikh Mujibur Rahman Agricultural University Gazipur-1706, Bangladesh.

Abstract/ Executive Summary:

Broiler parent stock of 7851 Cobb-500, 8388 Ross and 8745 Hubbard-Hi- Yield were reared in controlled (slated cum floor system) house to determine the egg production performance, fertility and hatchability. A total of 151200 hatching eggs of Cobb-500, Ross and Hubbard-Hi- Yield broiler strain were collected and set in the incubator in 10 batches having 15120 eggs in each batch and 5040 eggs in each strain to compare fertility and hatchability among the strains. From the above study, it was observed that the strains had significant effect (P<0.01) on egg production, fertility and hatchability of fertile, and set eggs, abnormal chicks, egg and chick weight but there was no significant effect (P>0.05) on normal chick production and chick weight as percentage of egg weight. Hubbard-Hi- Yield strain was the best while Ross was intermediate and Cobb-500 was the poorest in terms of egg production, fertility and hatchability. Therefore, Hubbard-Hi- Yield broiler parent stocks as well as its grand parent stock may be more profitable and suitable for broiler production in Bangladesh.

Keywords: Broiler, Parent stock, Egg production, Fertility and Hatchability

Location: Kazi Farms Ltd., Nayanpur Hatchery, Gazipur, Bangladesh

Start Date: 00-01-2005

End Date: 00-02-2005

Program Area: Animal Health and Management

Commodity: Poultry

Objectives:

To determine egg production capability, fertility and hatchability of different broiler parents in order to find out suitable strain for the maximum benefit.

Methodology:

The experiment was carried out at Kazi Farms Ltd., Nayanpur Hatchery, Gazipur, Bangladesh during mid January to mid February, 2005. Broiler parents of 7851 Cobb-500, 8388 Ross and 8745 Hubbard-Hi- Yield strains were reared in environmentally controlled slated cum floor system house providing floor space of 1 m²/5 birds for a period of 33-37 weeks. Male birds were fed with a diet containing 150g CP, 11.3 MJME and 10g Ca per kg diet. The females were fed with a diet containing 180g CP, 11.3 MJME and 30g Ca per kg diet. The birds were exposed to 16 hours light per day. Male and female ratio of 1: 10 was practiced for natural mating in the house. Eggs were collected 5 times a day; 8.00 AM, 10.00 AM, 12 PM, 2.00 PM and 4-30 PM, and hatching eggs were stored in cold room with a temperature of 18-20 ºC and humidity of 75- 80% for 3-5 days. A total of 151200 hatching eggs of Cobb-500, Ross and Hubbard-Hi- Yield strains were collected and set in James Way Electric incubator in 10 batches having 15120 eggs in each batch, and 5040 eggs in each strain. The eggs were collected from 33-37 weeks aged hens (B₁ and B₂ batches at 33 weeks, B₃ and B₄ batches at 34 weeks, B₅ and B₆ batches at 35 weeks, B₇ and B₈ batches at 36 weeks and B₉ and B₁₀ batches at 37 weeks). The incubator temperature was maintained during incubation. The eggs were candled at 18½, days of incubation to assess the fertility and embryonic mortality, and removal of infertile eggs and eggs with dead embryos. The remaining eggs were transferred into Hatcher basket. On the 22^nd day, the number of chicks hatched, normal and abnormal chicks were recorded. The following data were recorded during the experimental period 1. Hen housed egg production (%) 2. Fertility (%) =( Total no of fertile eggs/ Total no of eggs set) x 100, 3. Hatchability (%) on egg set = (Total no of chicks hatched/ Total no of eggs set) x 100, 4. Hatchability (%) on fertile eggs = (Total no of chicks hatched /Total no of fertile eggs) x 100, 5. Normal chicks (%) = (Total no of normal chicks/Total no of chicks hatched), x 100 6. Abnormal chicks (%) = Total no of abnormal chicks/Total no of chicks hatched) x 100, 7. Egg and chick weight The collected data were analysed in Completely Randomized Design (CRD) using computer package program MSTAT-C.

Source of Information: The Agriculturists 5(1 & 2): 131- 134 (2007), ISSN-1729-5211

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The present study reveals that Hubbard-Hi- Yield broiler strain was the best performer in terms of egg production, fertility, hatchability and normal chick production. Therefore, Hubbard-Hi-Yield parent as well as Grand Parent (GP) may be more profitable and suitable for broiler production in Bangladesh. However, more studies are needed involving more parent lines to confirm these findings.

Knowledge Management: Journal