Aufsatz
Use of total mixed ration citrus pulp silage as a new feeding strategy for growing lambs
Abstract
This study was conducted to evaluate the effects of using total mixed ration silage based on citrus pulp on feed intake, growth performance, serum metabolites and ruminal fermentation of growing female lambs. For this purpose, sixty-eight female Zel lambs (5-6-months) with an initial body weight of 20.65 ± 3.71 kg were randomly divided into two equal groups (n=34). Two isonitrogenous and isoenergetics diets were formulated based on corn silage (TMRC) and citrus pulp silage (TMRPS), respectively. To prepare TMRPS, first the citrus pulp and wheat straw were poured into A feed mixer, after which the concentrate was added. After thoroughly homogenising all components, the resulting mixture was ensiled into a permanent horizontal silo (a concrete bunker) and was covered with plastic shortly after the silo was filled. Each diet was randomly assigned to a group of lambs. Feed was offered two times a day (at 08:00 and 16:00 h) ad libitum. Daily dry matter intake (DMI) averaged 1067 g for the TMRC and 924 g for the TMRPS group. No significant differences were observed in the Kleiber ratio (6.9 versus 6.6) and average daily gain (ADG; 86 g versus 91 g) between the TMRC and TMRPS group. There was no difference in serum glucose and total protein concentration between treatments, but serum concentrations of urea-N and cholesterol in lambs fed the TMRC diet (80.5 and 47.1 mg/dl, respectively) were higher than in lambs fed the TMRPS diet (65.5 and 22.8 mg/dl, respectively). Ammonia-N content of the rumen fluid was reduced by changing the diet from TMRC to TMRPS. It can be concluded that TMRPS can be used as a low-cost diet for lambs without negative impact on the growth performance.
Citation
In: Journal of Agriculture and Rural Development in the Tropics and Subtropics (JARTS) Vol. 123 / No. 1 (2022-01-26) , S. 31-38 ; eissn:2363-6033Collections
Vol 123, No 1 (2022) (Journal of Agriculture and Rural Development in the Tropics and Subtropics (JARTS))Citation
@article{doi:10.17170/kobra-202201195570,
author={Papi, Nader and Fazaeli, Hassan and Alimohamadi, Seyyed Javad},
title={Use of total mixed ration citrus pulp silage as a new feeding strategy for growing lambs},
journal={Journal of Agriculture and Rural Development in the Tropics and Subtropics (JARTS)},
year={2022}
}
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2022-01-27T11:31:19Z 2022-01-27T11:31:19Z 2022-01-26 doi:10.17170/kobra-202201195570 http://hdl.handle.net/123456789/13556 eng Namensnennung 4.0 International http://creativecommons.org/licenses/by/4.0/ citrus pulp growth performance rumen fermentation sheep 630 Use of total mixed ration citrus pulp silage as a new feeding strategy for growing lambs Aufsatz This study was conducted to evaluate the effects of using total mixed ration silage based on citrus pulp on feed intake, growth performance, serum metabolites and ruminal fermentation of growing female lambs. For this purpose, sixty-eight female Zel lambs (5-6-months) with an initial body weight of 20.65 ± 3.71 kg were randomly divided into two equal groups (n=34). Two isonitrogenous and isoenergetics diets were formulated based on corn silage (TMRC) and citrus pulp silage (TMRPS), respectively. To prepare TMRPS, first the citrus pulp and wheat straw were poured into A feed mixer, after which the concentrate was added. After thoroughly homogenising all components, the resulting mixture was ensiled into a permanent horizontal silo (a concrete bunker) and was covered with plastic shortly after the silo was filled. Each diet was randomly assigned to a group of lambs. Feed was offered two times a day (at 08:00 and 16:00 h) ad libitum. Daily dry matter intake (DMI) averaged 1067 g for the TMRC and 924 g for the TMRPS group. No significant differences were observed in the Kleiber ratio (6.9 versus 6.6) and average daily gain (ADG; 86 g versus 91 g) between the TMRC and TMRPS group. There was no difference in serum glucose and total protein concentration between treatments, but serum concentrations of urea-N and cholesterol in lambs fed the TMRC diet (80.5 and 47.1 mg/dl, respectively) were higher than in lambs fed the TMRPS diet (65.5 and 22.8 mg/dl, respectively). Ammonia-N content of the rumen fluid was reduced by changing the diet from TMRC to TMRPS. It can be concluded that TMRPS can be used as a low-cost diet for lambs without negative impact on the growth performance. open access Papi, Nader Fazaeli, Hassan Alimohamadi, Seyyed Javad Lämmeraufzucht Fütterung Mischfutter Zitrusprodukt Wachstum Pansen Fermentation publishedVersion eissn:2363-6033 No. 1 Journal of Agriculture and Rural Development in the Tropics and Subtropics (JARTS) 31-38 Vol. 123 false
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