Abstract：
:Nutritive values of the branches from Olea europaea trees cut at 25, 50, 75 or 100 cm distance from the tip were evaluated by determination of the in vitro digestible organic matter (IVDOM), metabolizable energy (ME), net energy lactation (NEL), and presence nutritional and anti-nutritional components. The values of nutritive components, nitrogen forms, IVDOM, ME and NEL declined and concentrations of crude fiber and cell wall constituents increased with the increase in cutting length. Total phenols, hydrolysable tannins and condensed tannins amounted to 70, 17 and 0.6 g/kg DM, respectively. The addition of polyethylene glycol (PEG, 6000) to the plant samples incubated with rumen fluid at a ratio of (2:1 PEG:substrate) increased the values of IVDOM, ME and NEL by 40 g/kg DM, 0.59 MJ/kg DM and 0.42 MJ/kg DM, respectively. IVDOM, ME and NEL were negatively correlated with crude fiber and cell wall constituents but positively correlated with nitrogen forms and non-fiber carbohydrates. Olive pruning branches in diameter<3 mm could be used as sources of feeds for small ruminants.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Al-Masri MRdoi
10.1016/j.biortech.2011.09.130subject
Has Abstractpub_date
2012-01-01 00:00:00pages
234-8issue
1eissn
0960-8524issn
1873-2976pii
S0960-8524(11)01418-0journal_volume
103pub_type
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