Mhatab Mansori; Mohammad Mahdi sharifi Hossini; Omid Dayani; Reza Tahmasbi
Volume 21, Issue 3 , September 2019, , Pages 309-320
Abstract
This research was conducted to investigate the effects of corn and sorghum silages particle size on feed intake, digestibility, rumen parameters and feed intake behavior in Kermani sheep. Around 1000 kg of fresh corn and sorghum forages were chopped into two coarse and fine particle sizes and ensiled ...
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This research was conducted to investigate the effects of corn and sorghum silages particle size on feed intake, digestibility, rumen parameters and feed intake behavior in Kermani sheep. Around 1000 kg of fresh corn and sorghum forages were chopped into two coarse and fine particle sizes and ensiled for 45 days. Four male Kermani sheep, 34.0±0.8 kg average BW, were used in this experiment which was conducted in a completely randomized design, with a 2 × 2 factorial experiment. There were four experimental periods and each of which lasted 21d, with 14d adaptation, 7d of sample collection. The ratio of forage to concentrate was 60: 40. Experimental diets were: 1) coarse corn silage diet, 2) fine corn silage diet, 3) coarse sorghum silage diet and 4) fine sorghum silage diet. The NDF content was higher in the sorghum silages than corn silages (p<0.05). In diets containing fine silage, ruminal pH tended to decrease after two hours of intake. Population of Holotrich and Cellulolytic protozoa increased when coarse silages were fed to animals (P<0.05). The maximum microbial protein synthesis in the rumen was achieved in diets containing fine silage(P<0.05). Duration of feed intake, rumination and chewing activity were higher in coarse silage diets (P<0.05). The types of silage did not have significant effect on animals’ performance and dietary feed intake behavior. In conclusion, corn silage can be replaced by sorghum silage, without any negative effect on feed intake, digestibility, and rumen parameters in sheep.
Mahdieh Taheri; Reza Tahmasbi; Mohammad mehdi Sharifi Hosseini; Omid Dayani
Volume 20, Issue 1 , May 2018, , Pages 15-27
Abstract
The effect of feeding ensiled licorice pulp with different levels of wasted date was investigated on ruminal fermentation parameters, blood parameters and microbial protein synthesis on four male mature Raeini goats. The experiment was designed as a 4×4 Latin square design with four 21 days periods. ...
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The effect of feeding ensiled licorice pulp with different levels of wasted date was investigated on ruminal fermentation parameters, blood parameters and microbial protein synthesis on four male mature Raeini goats. The experiment was designed as a 4×4 Latin square design with four 21 days periods. Licorice pulp was mixed with 0, 5, 10 and 15 percent of wasted date without stone and ensiled in 40 L containers for 45 days. Experimental diets were: 1) control (20% ensiled Licorice pulp without wasted date, 2) 20% ensiled licorice pulp with 5% wasted date, 3) 20% ensiled licorice pulp with 10% wasted date and 4) 20% ensiled licorice pulp with 15% wasted date. The results showed that ensiling licorice pulp with different levels of wasted date significantly increased DM and fleig point linearly (p
Reza Tahmasbi
Volume 19, Issue 4 , March 2018, , Pages 777-787
Abstract
This study was conducted to evaluate the effect of adding waste dateand ensiling periods on chemical compositions and quality of ensiled lemon. For ensiling, different levels of waste date without stones (0, 10, 20, 30, percent) were mixed with lemon pulp and ensiled in two-liter ...
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This study was conducted to evaluate the effect of adding waste dateand ensiling periods on chemical compositions and quality of ensiled lemon. For ensiling, different levels of waste date without stones (0, 10, 20, 30, percent) were mixed with lemon pulp and ensiled in two-liter containers for 25, 35 and 45 days. After opening the silages, samples were taken for determination of dry matter, crude protein, ammonia-nitrogen, neutral detergent fiber, organic matter and ash. The pH of silages was determined immediately after opening. The effects of waste date supplementation without stone was studied as a factorial design (3×4). The results of this study showed that silage of lemon pulp with 30percents waste date improved silage quality and increased DM, OM and pH (P<0.05). However, CP, NDF, NH3-N and ash were decreased (P<0.05). Also, lemon pulp silage with 30percent waste date had the highest energy and sensory evaluation than those of other silages. In conclusion, supplementation of 30per cent waste date without stone to the lemon pulp and the optimum ensiling period of 45 days are recommended.
Zeinab hosseini; Mohammad Mahdi Sharifi Hosseini; Omid Dayani; Reza Tahmasebi
Volume 19, Issue 1 , May 2017, , Pages 83-97
Abstract
The aim of this experiment was to study the effects of two levels of barley silage particle sizes and two levels of non-forage fiber on feed intake, nutrients digestibility, rumen parameters and feeding behaviors in sheep. Whole-plant barley was harvested at 28% moisture in 8 and 16 mm theoretical chop ...
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The aim of this experiment was to study the effects of two levels of barley silage particle sizes and two levels of non-forage fiber on feed intake, nutrients digestibility, rumen parameters and feeding behaviors in sheep. Whole-plant barley was harvested at 28% moisture in 8 and 16 mm theoretical chop lengths to prepare short and long silages. Four male sheep with the weight of 46±7 kg were used and experimental diets were: 1) coarse barley silage diet without beet pulp, 2) coarse barley silage diet with 20% beet pulp, 3) fine barley silage diet without beet pulp and 4) fine barley silage diet with 20% percent beet pulp. The NDF intake was affected by beet pulp levels (P=0.05) and the highest NDF intake was in sheep fed with fine barley silage diet with 20% beet pulp (P<0.05). The DM, OM, CP, and NDF digestibility were affected by an interaction between barley silage particle sizes and beet pulp levels, and the highest digestibility of nutrients were in fine barley silage diet and 20% beet pulp (P<0.05). Two and four hours after feed intake, the lowest rumen pH was in animals fed fine barley silage diet and 20% beet pulp (P<0.05). The NDF consumption increased when barley grain was replaced with sugar beet pulp in diets containing high levels of concentrates and low levels of physical effective fiber.