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Performance of Broiler Fed on Diet Containing Deoiled Koroch (pongamia Pinnata) Seed Cake Treated with Naoh and Hcl

Masuma Habib
Graduate Training Institute, Bangladesh Agricultural University (BAU), Mymensingh-2202, Bangladesh

Abu Jafur Md. Ferdaus
Department of Poultry Science, BAU, Mymensingh-2202, Bangladesh

Md. Touhidul Islam
Nourish Poultry and Hatchery Ltd. Uttara, Dhaka-1230

Begum Mansura Hassin
Department of Livestock Services (DLS), Dhaka1215, Bangladesh

Md. Shawkat Ali
Department of Poultry Science, BAU, Mymensingh-2202, Bangladesh

Abstract/ Executive Summary:

The study was conducted to investigate whether the productive performances and meat yield characteristics of broiler would be improved by feeding diet containing koroch ( Pongamia Pinnata) seed cake (KSC) treated with NaOH and HCl. A total number of 160 day-old straight run broiler chicks were fed on 4 iso-energetic and iso-nitrogenous diets containing either basal diet with no KSC or basal diet containing 2% KSC treated with or without 1% NaOH or 1% HCl for a period of 28 days. These diets were considered as 4 different treatments. Each treatment was replicated 4 times, each having 10 birds. Inclusion of 2% KSC treated with NaOH or HCl in the diet resulted in lower live weight, live weight gain, feed intake, feed efficiency of broilers at all ages compared to inclusion of dietary 2% KSC alone (P<0.01). However, broilers, irrespective of age, fed on diet containing 2% KSC treated with 1% HCl exhibited better productive performances than those fed on 1% NaOH treated 2% KSC incorporated diet. The amount of feed intake of broilers on either KSC alone or HCl treated KSC was almost similar to that on control diet. The meat yield parameters showed a non-significant treatment effect except for the percentage of dressing yield, liver, gizzard, head and skin weight. Dressing percentage of broilers fed on HCl treated KSC at 2% level was significantly (P<0.05) lower compared to any other dietary treatment, whereas broilers in 2% KSC dietary group showed similar results to the control group. Percentage of head and skin weight relative to body weight were higher in treated (NaOH or HCl) KSC dietary group compared to either KSC alone or control group. However, the highest liver and gizzard weights were obtained from the broilers fed on diet containing 2% KSC treated with 1% HCl, followed by diet with 1% NaOH treated KSC, KSC alone diet and the control diet. The results of the present study clearly indicated that neither the 1% NaOH treated nor 1% HCl treated KSC alliviated the depressed productive performances and meat yield characteristics of broilers. It is concluded that the poor productive performances of broilers fed on KSC incorporated diet cannot be improved by treating KSC with either NaOH or HCl, and the oil extracted KSC may contain leftover oil which might have a potential toxic effect on growth and meat yield of broilers.

Keywords: Productive performance, Growth depression, Meat yield characteristics, Koroch seed cake, Broiler chickens

Location: “Nourish Poultry and Hatchery Ltd.” Shreepur, Gazipur, Bangladesh and Koroch seeds were collected from Sunamgonj Hoar area, Bangladesh

Start Date:

End Date:

Program Area: Animal Health and Management

Commodity: Broiler, Feed

Objectives:

To investigate whether the productive performances and meat yield characteristics of broiler would be improved by feeding diet containing koroch (Pongamia Pinnata) seed cake (KSC) treated with NaOH and HCl.

Methodology:

The study was conducted at Bangladesh Agricultural University Poultry Farm, Mymensingh, Bangladesh. The experimental day old broilers were purchased from “Nourish Poultry and Hatchery Ltd.” Shreepur, Gazipur, Bangladesh. Koroch seeds were collected from Sunamgonj Hoar area. The oil from seeds was expelled locally from an oil extraction mill. Then the remaining cake was dried and proximate analysis was done for KSC. The proximate compositions of the feed ingredients were analyzed as per AOAC (1995) and are furnished. The NaOH and HCl treated KSC was prepared by soaking the cake for 24h in water (1:1, W/V) containing either NaOH or HCl at 1% (v/v). The processed cake was sun dried ground and stored in gunny bags for incorporation into the diet. The experiment was carried out with 160 broilers fed on diet containing either 0% KSC, 2% KSC 2% KSC treated with 1% NaOH or 2% KSC treated with 1% HCl, considered as 4 different dietary treatments. Each treatment was consisting of 4 replications having 10 birds per replication. The chicks were reared up to 28 days of age. The vaccination schedule that was followed during the experimental period is given. The chicks were individually weighed at the beginning of the experiment (initial body weight) and allocated to different replication pens of each of the 4 treatment groups. Body weight was also measured on a weekly basis for all birds from each replication. The average body weight gain of the broiler in each replication was calculated by deducting initial body weight from the final body weight. The amounts of feed consumed by the birds in each replication of each treatment group were calculated from the amount supplied at each week and the amounts leftover at the end of that week. Feed conversion ratio (FCR) was calculated as the unit of feed consumed per unit of body weight gain. At the end of feeding trial, one broiler weighing average from each pen was randomly selected for recording meat yield parameters. Broilers were fasted from feed and water for twelve hours prior to slaughter. After complete bleeding, birds were immersed in hot water (51-55°C) for 120 seconds for proper defeathering manually. After defeating, the birds were again individually weighed. Then head, shank, viscera, giblet (heart, liver and gizzard) and abdominal fat were removed for determination of meat yield parameters. Dressed broilers were cut into different parts such as breast, thigh, drumstick and wing. Finally, every cut up parts were weighed and recorded separately for each broiler of all replications. Statistical analysis: All recorded and calculated data were analyzed using analysis of variance (ANOVA) technique by a computer using SAS statistical package program in accordance with the principles of Completely Randomized Design (SAS, 2009). Duncan’s multiple range test (DMRT) was done to compare variations among diets where ANOVA showed significant differences.

Source of Information: Res. Agric. Livest. Fish. Vol. 3, No. 2, August 2016: 323-329; ISSN : P-2409-0603, E-2409-9325

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The results revealed that the treatment of koroch seed cake with either NaOH or HCl did not improve performance of broilers. The oil content of koroch seed cake may leftover even after NaOH or HCl treatment which might have an antagonistic effect on the metabolism of broilers. However, further research to investigate the efficacy of other alternative processing techniques for the complete removal of leftover oil content in association to the improvement of broiler growth performance and meat yield characteristics is advocated.

Knowledge Management: Journal