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Some studies on using of different levels of drid distillers grains with solubles on animal performance 1- Effect of feeding different levels of DDGs as a source of energy on sheep performance
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Abstract: This study aimed to use dried distillers grains with solubles (DDGS) as a source of energy instead of a part of yellow corn in sheep rations. The trial was carried out at Animal House of Animal Production Research Institute belonging to Agriculture Research Center, Egypt. Laboratory evaluating for seven concentrate feed mixtures (CFM) containing dried distillers grains with solubles (DDGs) with rate of 0, 5, 10, 15, 20, 25 and 30% were done. Three different CFM containing DDGS with rate of 10, 20 and 30% as the best dry matter digestibility (DMD) and organic matter digestibility (OMD) were used to make total mixed rations and compared them with control ration in digestibility and feeding trials.
Twenty-four Rahmany lambs averaging 22.79 kg live body weight (LBW) were chosen and randomly divided into four similar groups (6 in each) and assigned to receive four experimental rations containing CFM with rate of 0, 10, 20 and 30% in four respective rations. In addition, berseem hay (BH) and rice straw (RS) beside CFM were offered to all animals with rate of 25: 25: 50, respectively.
Feeding trial lasted 150 days. Changes in live body weight and feed intake were recorded as well as feed and economical efficiencies were estimated. Also, four digestibility trials were carried out to determine digestibility and nutritive values of experimental rations. Samples of rumen liquer and blood serum were also taken to measure some ruminal and blood parameters.
Results obtained can be summarizing as follows:
1- Average chemical compositions of experimental rations containing different levels of DDGs were almost similar in DM, OM and NFE. It showed somewhat higher in CP and EE % and lower CF % with increasing DDGs levels.
2- Increasing DDGs level up to 30 % in experimental ration tended to significantly (P<0.05) increase DM, OM, CP, EE, CF and NFE Digestibilities, while increasing DDGs from 10 to 20 % appeared to have higher all nutrient digestibility with no significant differences, except for NFE digestibility.
3- All experimental rations containing DDGS (rations B, C and D) have higher nutritive values compared with control ration (ration A). Ration D containing 30 % DDGs appeared to the highest (P<0.05) significant in TDN (64.15 %) and DCP (9.36 %) while the increasing in DE (2.83 M Cal/ Kg DM) was not significant.
4- Averages daily LBW gains were 109, 116, 124 and 137 gm for animals fed rations A,B, C and D, respectively, showing highly significant (P<0.05) differences between ration D and the others. Increasing DDGs levels from 10 to 20% in experimental rations increased LBW gains with no significant differences. So, the improvements in daily LBW gains were 6.42, 13.76 and 25.69% with rations B, C and D, respectively.
5- Significantly (P<0.05) higher in feed utilization efficiency expressed as kg DM or TDN per Kg gain was achieved with ration D containing 30% DDGS, while increasing DDGS from 10 to 20% led to improve feed efficiency with no significant differences. However, increasing DDGS levels in experimental rations had no significantly affected on utilization efficiency of DCP.
6- Animals fed ration D (containing 30% DDGS) gave the highest gross margin, revenue and economical efficiency with the lowest feed cost per kg weight gain.
7- Animals fed ration containing DDGS (ratios B, C and D) showed normal values of rumen and blood parameters with no adverse effects on animal performance.
Generally, it could be concluded that inclusion DDGS in rations formulation of growing lambs with rate of 30% tended to increase all nutrient digestibility and nutritive values. Moreover, lambs fed ration containing 30% DDGS has higher weight gain, better fed utilization efficiency and lower feed cost to get one kg gains. Also, the highest grass margin and revenue were achieved with no adverse effect on ruminal and blood parameters.
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| Publication year |
2014
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| Pages |
27-41
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| Availability location |
معهد بحوث الانتاج الحيوانى-شارع نادى الصيد- الدقى- الجيزة
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| Availability number |
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| Organization Name |
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| City |
الاسكندرية
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| serial title |
Journal Animal and Poultry Production, Mansoura University
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| ISSN |
2090-3642
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| Author(s) from ARC |
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| Agris Categories |
Animal feeding
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AGROVOC
TERMS |
Blood composition.
Digestibility.
Digestive juices.
Economic analysis.
Energy.
Maize.
Nutritive value.
Sheep.
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| Proposed Agrovoc |
dried distillers grains;
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| Publication Type |
Journal
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