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              Research 
(Published 
online: 29-01-2015) 
              21.   
              In vitro utilization of lime 
              treated olive cake as a component of complete feed for small 
              ruminants - A. Ishfaq, R. K. Sharma, A. Rastogi, B. A. 
              Malla and J. Farooq 
              Veterinary World, 8(1): 109-115   
              
   
                
                
doi: 
              10.14202/vetworld.2015.109-115 
                  A. 
              Ishfaq: Division 
              of Animal Nutrition, Faculty of Veterinary Science, Sher-e-Kashmir 
              University of Agricultural Sciences & Technology of Jammu, Jammu 
              and Kashmir, India; 
              shfa758@gmail.com R. 
              K. Sharma: 
              Division of Animal Nutrition, Faculty of Veterinary Science, Sher-e-Kashmir 
              University of Agricultural Sciences & Technology of Jammu, Jammu 
              and Kashmir, India; 
              rksann@rediffmail.com A. 
              Rastogi: Division 
              of Animal Nutrition, Faculty of Veterinary Science, Sher-e-Kashmir 
              University of Agricultural Sciences & Technology of Jammu, Jammu 
              and Kashmir, India; 
              dr_ankur76@rediffmail.com B. 
              A. Malla: 
              Department of Animal Nutrition, National Dairy Research Institute, 
              Karnal, India: 
              bilal.ahmad368@gmail.com J. 
              Farooq: Division of Animal Nutrition, Faculty of Veterinary 
              Science, Sher-e-Kashmir University of Agricultural Sciences & 
              Technology of Jammu, Jammu and Kashmir, India;
              javid_farooq@yahoo.co.in   
              Received: 24-08-2014, Revised: 17-12-2014, Accepted: 25-12-2014, 
              Published online: 29-01-2015   
              
              
              Corresponding author:
              A. Ishfaq, e-mail: shfa758@gmail.com 
 
              Abstract 
 Aim:
              The current in vitro study was carried out to determine 
              the chemical composition and inclusion level of lime treated olive 
              cake on acid detergent fiber (ADF) replacement basis in adult male 
              goats. 
              Materials and Methods: Crude olive cake was collected and 
              evaluated for proximate composition and protein fractionation. It 
              was treated with 6% lime and incubated for 1 week under room 
              temperature in 2 kg sealed polythene bags and was evaluated for 
              proximate composition after incubation. Different isonitrogenous 
              complete diets containing 0-50% of lime treated olive cake on ADF 
              replacement basis were formulated as per the requirement of adult 
              male goats. In ADF replacement, fiber and concentrate sources were 
              replaced by lime treated olive cake by replacing the 0-50% ADF 
              percentage of the total 40% ADF value of complete feed. The 
              formulated complete diets were tested for in vitro 
              degradation parameters. 
              Results: Treatment of olive cake with 6% slaked lime increased 
              availability of cellulose and alleviated digestibility depression 
              caused by high ether extract percentage. Organic matter, nitrogen 
              free extract, ADF and neutral detergent fiber were significantly 
              lowered by lime treatment of olive cake. The cornell net 
              carbohydrate and protein system analysis showed that 
              non-degradable protein represented by acid detergent insoluble 
              nitrogen (ADIN) was 21.71% whereas the non-available protein 
              represented by neutral detergent insoluble nitrogen (NDIN) was 
              38.86% in crude olive cake. The in vitro dry matter 
              degradation (IVDMD) values were comparable at all replacement 
              levels. However, a point of inflection was observed at 40% ADF 
              replacement level, which was supported by truly degradable organic 
              matter (TDOM), microbial biomass production (MBP), efficiency of 
              MBP and partitioning factor values (PF).  
              Conclusion: In our study, we concluded that there is 
              comparable difference in composition of Indian olive cake when 
              compared with European olive cake. The most important finding was 
              that about 78% of nitrogen present in Indian olive cake is 
              available to animal in contrary to that of European olive cake. We 
              concluded from in vitro studies that Indian olive cake can 
              be included in complete feed at 30% level (w/w; 40% ADF 
              replacement) for feeding in small ruminants without compromising
              in vitro degradability of the feed.  
              Keywords: acid detergent insoluble nitrogen-non, lime, male 
              goats, olive cake, truly degradable organic matter 
 
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