Agricultural Research Management Information System

Home
Research Summary
Search
About Us
- ARMIS
- Brochure
Contact Us
Report
User Request
Data Input
Help
- Operation Manual
  - PDF
  - Video
- Program Area & Commodity
We have reached 37600 number of research entries at this moment.

- Logout

Research Detail

Home
Research
Detail

Effect of Levels and Sources of Protein on the Performance and Nutrient Digestibility in Black Bengal Goat

M. B. Ullah
Department of Animal Nutrition, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

K. M. S. Islam
Department of Animal Nutrition, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

M. A. Akbar
Department of Animal Nutrition, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

A. B. M. Khaleduzzaman
Department of Livestock Services, Krishikhamar Sarak, Farmgate, Dhaka-1215, Bangladesh

M. R. Debi
Department of Animal Nutrition, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

Abstract/ Executive Summary:

Sixteen castrated male Black Bengal goats (aged between 8 and 10 months and average live weight 9.16 kg) were used in a 2 × 2 factorial design to study the effect of protein levels and sources on growth and nutrient digestibility under intensive condition for 56 days. The sources of protein were mustard oil cake (MOC) and soybean meal (SBM). Level of protein in each sources were 22 (HP-high protein) and 16 (LP-low protein) percentage. The dietary treatments were (T₁) MOC-HP, (T₂) MOC-LP, (T₃) SBM-HP and (T₄) SBM-LP. Concentrate diets as well as dal grass was fed throughout the experimental period and last week considered for digestibility trial. Average daily live weight gain of goats was 42, 41, 43, and 52 g for the diets T₁, T₂, T₃ and T₄ respectively. The result showed no significant (P>0.05) variation between protein sources and their levels on growth performance. Intake of DM was 425, 389, 407 and 437 g/d which were 4.2, 3.8, 4.0 and 4.1 percent of their body weight for the diets T₁, T₂, T₃ and T4 respectively. Intake of CP was 59, 46, 56 and 50 g/d respectively. The sources of protein did not influence the intake of CP (P>0.05), but their levels had (P<0.05) effect on it. Digestibility of DM was 62, 58, 69 and 68 percent respectively. OM digestibility (g/100g) was 67, 64, 71 and 73 for the diets T₁, T₂, T₃ and T₄ respectively. Digestibility (g/100g) of CP was 62, 60, 70 and 69 for the diets T₁, T₂, T₃ and T₄ respectively. Thus the result showed that the digestibility of DM, CP and OM was significantly higher for SBM than MOC but their levels varied insignificantly. Therefore low protein supplementation (16%) in a concentrate mixture containing mustard oil cake and/or soybean meal could be suggested for optimizing growth performance of Black Bengal Goat under intensive management system.

Keywords: Goats, Mustard oil cake, Soybean meal, Growth, Intake, Digestibility Introduction

Location: Sahjalal Animal Nutrition Field Laboratory, Bangladesh Agricultural University, Mymensingh

Start Date: 00-00-2008

End Date: 00-00-2008

Program Area: Animal Health and Management

Commodity: Goat

Objectives:

1. To investigate the effects of levels (Low and High) and sources (SBM and MOC) of dietary protein on growth performance and nutrient digestibility of Black Bengal goats under intensive management in Bangladesh.

Methodology:

The study was conducted at the Sahjalal Animal Nutrition Field Laboratory, Bangladesh Agricultural University, Mymensingh for a period of 56 days. Sixteen castrated male Black Bengal goats (approximately 8 to 10 months of age weighing on an average 9.16 kg) were purchased from local market. The animals were adapt for 20 days with the experimental conditions and were introduced to the experimental feeds prior to the commencement of the study. The treatment arrangement was 2×2 factorial which was made by blocking sixteen animals into four groups based on live weight. Each treatment consisted of either low or high level of protein each at either mustard oil cake or soybean meal sources. Diets differing in protein sources were mustard oil cake (MOC) and soybean meal (SBM) as well as two levels (g/100g DM) for each source was 22 (HP-high protein) and 16 (LP-low protein) which is 15% above and below and diets were iso-energetic. The animals were weighted at 7.00 am prior to morning feeding. The initial live weight of each goat was taken at the beginning of the experiment for three consecutive days and the mean weights were recorded as initial weight. Thereafter, animals were weighted individually in every 7-days interval throughout the experimental period. Final live weight of each animal was taken as an average weight of two consecutive days after completion of 56 days trial. Total mixed ration were supplied according to the requirement of body weight. The roughage (Dal grass) and concentrate of the diets were fed separately. Fresh drinking water was made available at all times. A conventional digestibility trial was conducted at the end of the trial for 7 days to assess the utilization of dietary nutrient by the goats. During digestibility trial a portion of feces samples was preserved in a refrigerator at -20?C for DM and nitrogen estimation. Another portion of feces sample and feed refusal collected during digestibility trial was sun dried and preserved in airtight polythene bags for determination of other proximate components following the methods as described by AOAC. Energy were estimated from the ME values of feed ingredients. The data were analyzed using the “SPSS” statistical programme.

Source of Information: Bang. J. Anim. Sci. 38(1&2) : 53 – 60, 2009 ; ISSN 0003-3588

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The result of this experiment shows that performance of goat mostly similar among the treatments. Therefore, it may be concluded that concentrate diet formulated with SBM and/or MOC having 16% protein could be used for profitable goat rearing.

Knowledge Management: Journal