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Comparative nutritional evaluation of forest tree leaves and wild grasses of semi hilly arid zone in Punjab

Indian Agricultural Research Journals

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Title Comparative nutritional evaluation of forest tree leaves and wild grasses of semi hilly arid zone in Punjab
 
Creator Bakshi, M P S
Wadhwa, M
 
Subject Digestion kinetics
Forest tree leaves
In-sacco degradability
Mineral profile
Tannins
Wild grasses
 
Description Samples of 26 species of forest tree leaves and 10 species of wild grasses commonly fed to livestock in the semi- hilly arid zone of Punjab State were collected at 30 day interval for 12 months. The tree leaves as compared to grasses had higher CP, EE and acid detergent lignin content, while reverse trend was observed with respect to NDF, ADF, cellulose and hemicelluloses content. The mineral profile revealed that calcium, magnesium and copper content was higher, while zinc content was lower in tree leaves as compared to grasses. But the phosphorus, iron, manganese and cobalt content was observed to be statistically comparable. The calcium and magnesium content in both the tree leaves and grasses was much higher than the requirements for dairy cattle, but both were highly deficient in P, and most of the trace elements. The antimetabolites like total tannins, condensed tannins and hydrolysable tannins were higher in tree leaves as compared to grasses by 83.2, 98.8 and 75.7%, respectively. The condensed tannins as per cent of total tannins were higher in tree leaves, while hydrolysable tannins as per cent of total tannins were higher in wild grasses. The water soluble oxalate content was comparable in tree leaves and grasses, but the concentration was much lower than the toxic level of 4%. The digestion kinetic parameters for DM and NDF also revealed that tree leaves were degraded at faster rate and had higher effective and true degradability. The rumen fill was lower in tree leaves as compared to grasses predicting higher voluntary dry matter intake in tree leaves. It was concluded that the tree leaves had greater potential as alternate feed resources as compared to wild grasses.
 
Publisher Indian Council of Agricultural Research
 
Date 2012-08-14
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
 
Format application/pdf
 
Identifier https://epubs.icar.org.in/index.php/IJAnS/article/view/23038
10.56093/ijans.v82i8.23038
 
Source The Indian Journal of Animal Sciences; Vol. 82 No. 8 (2012); 918–921
2394-3327
0367-8318
 
Language eng
 
Relation https://epubs.icar.org.in/index.php/IJAnS/article/view/23038/11174
 
Rights Copyright (c) 2014 The Indian Journal of Animal Sciences
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