Alfalfa leaf meal for market and breeder hen turkeys. Quarterly progress report, July 1, 1997--September 30, 1997

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Description

A sample of ALM became available for testing in October, 1996. The sample was in pelleted form and contained 24.2% crude protein and a gross energy content of 4102 kcal/kg (as fed basis). To determine available energy, the true metabolizable energy assay as developed by Sibbald. The T.M.E. system of feed evaluation, A.R.C. No. 83-1, Research Branch, Ottawa, Canada, was used with some modifications as described below. As the ALM was in pellets too large to feed, the ALM pellets were crumbled or finely reground for the test. Young turkeys (6 wks of age, Nicholas females) were placed in individual ... continued below

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27 p.

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Creator: Unknown. October 30, 1997.

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Description

A sample of ALM became available for testing in October, 1996. The sample was in pelleted form and contained 24.2% crude protein and a gross energy content of 4102 kcal/kg (as fed basis). To determine available energy, the true metabolizable energy assay as developed by Sibbald. The T.M.E. system of feed evaluation, A.R.C. No. 83-1, Research Branch, Ottawa, Canada, was used with some modifications as described below. As the ALM was in pellets too large to feed, the ALM pellets were crumbled or finely reground for the test. Young turkeys (6 wks of age, Nicholas females) were placed in individual cages and allowed to acclimate for 5 days. The turkeys weighed 2.4 kg. The turkeys were fasted for 40 hrs and precision fed 36 g of either crumbled (C) or finely (F) reground ALM. Due to the larger volume of the fine ground ALM, a smaller portion was fed and averaged 28 g. The control turkeys received an equivalent amount of glucose. There were 6 replicates for each ALM source and control turkeys. Excreta was collected for 60 hrs after feeding, consistent with recommendations for a longer collection period for fibrous materials. After the collection period ended, the excreta was quantitatively collected and all material was freeze dried. Each sample was allowed to reach equilibrium with atmospheric conditions and then weighed. The excreta was finely ground and analyzed for moisture, protein and gross energy. Samples of the fed ALM were treated in a similar manner. The true metabolizable energy content (nitrogen corrected) of the C and F ALM was 10 12 (SE 50) and 1578 (SE 159) kcal/kg, respectively. Form of ALM significantly affected TME value (P<.01). The difference in TMEn due to form was most likely due to the difference in amount fed. The crumbled form of ALM allowed the full amount to be fed and could have changed passage rate of the ALM through the digestive tract. When the TMEn of the F ALM is adjusted for dry matter content, the value is 1679 kcal/kg dry matter.

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27 p.

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OSTI as DE98005858

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  • Other Information: PBD: 30 Oct 1997

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  • Other: DE98005858
  • Report No.: DOE/GO/10147--4A-Pt.4
  • Grant Number: FC36-96GO10147
  • DOI: 10.2172/623033 | External Link
  • Office of Scientific & Technical Information Report Number: 623033
  • Archival Resource Key: ark:/67531/metadc694470

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  • October 30, 1997

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  • Aug. 14, 2015, 8:43 a.m.

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  • Nov. 12, 2015, 6:14 p.m.

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Alfalfa leaf meal for market and breeder hen turkeys. Quarterly progress report, July 1, 1997--September 30, 1997, report, October 30, 1997; United States. (digital.library.unt.edu/ark:/67531/metadc694470/: accessed September 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.