Effects of harvest time and added molasses on nutritional content, ensiling characteristics and in vitro degradation of whole crop wheat

OBJECTIVE: Wheat is an alternative to corn silage for ruminant feeding in northern China. This study examined the effects of harvest time and added molasses on nutritional content, ensiling characteristics and in vitro degradation of whole crop wheat (WCW)

Bibliographische Detailangaben
Veröffentlicht in:Asian-Australasian journal of animal sciences. - 1998. - 31(2018), 3 vom: 02. März, Seite 354-362
1. Verfasser: Xia, Chuanqi (VerfasserIn)
Weitere Verfasser: Liang, Yixun, Bai, Sarula, He, Yang, Muhammad, Aziz Ur Rahman, Su, Huawei, Cao, Binghai
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2018
Zugriff auf das übergeordnete Werk:Asian-Australasian journal of animal sciences
Schlagworte:Journal Article Ensiling Characteristics Harvest Time In vitro Fermentation Molasses Addition Nutritional Content Whole Crop Wheat
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520 |a OBJECTIVE: Wheat is an alternative to corn silage for ruminant feeding in northern China. This study examined the effects of harvest time and added molasses on nutritional content, ensiling characteristics and in vitro degradation of whole crop wheat (WCW) 
520 |a METHODS: Fresh WCW at the milk-ripe stage was harvested at 0700 h (i.e., in the morning [Mo]) and 1700 h (i.e., in the afternoon [Af]), and then immediately used to prepare silage and make hay. Commercial molasses was added to Af WCW at 0%, 2%, 4%, and 6% (fresh weight) proportions. The WCW treated with molasses was mixed thoroughly prior to ensiling 
520 |a RESULTS: Dry matter (DM), neutral detergent fiber, water soluble carbohydrate (WSC) content (p<0.01), accumulative gas production in 72 h (GP72h, 77.46 mL/g vs 95.15 mL/g) and dry matter disappearance in vitro (69.15% vs 76.77%) were lower (p<0.05), while crude protein (CP) content was higher for WCW silage (WCWS) compared to WCW (p<0.01). The propionic acid and butyric acid concentrations in WCWS from Mo WCW were 1.47% and 0.26%, respectively. However, the propionic and butyric acid concentrations were negligible, while the ammonia nitrogen/total nitrogen (NH3-N/TN, p<0.01) concentration was lower and the rate of gas production at 50% of the maximum (17.05 mL/h vs 13.94 mL/h, p<0.05) was higher for Af WCWS compared to Mo WCWS. The incubation fluid's NH3-N concentration was lower in WCWS and Af WCW compared to Mo WCW (p<0.05). The CP and WSC content increased with increasing molasses levels (p<0.05). Furthermore, the pH (p<0.01) and time when gas production was 50% of the maximum (2.78 h vs 3.05 h, p<0.05) were lower in silage treated with 4% molasses than silage without molasses 
520 |a CONCLUSION: Harvesting wheat crops in the afternoon and adding molasses at 4% level to WCW optimally improved ensiling characteristics, leading to well-preserved silage 
650 4 |a Journal Article 
650 4 |a Ensiling Characteristics 
650 4 |a Harvest Time 
650 4 |a In vitro Fermentation 
650 4 |a Molasses Addition 
650 4 |a Nutritional Content 
650 4 |a Whole Crop Wheat 
700 1 |a Liang, Yixun  |e verfasserin  |4 aut 
700 1 |a Bai, Sarula  |e verfasserin  |4 aut 
700 1 |a He, Yang  |e verfasserin  |4 aut 
700 1 |a Muhammad, Aziz Ur Rahman  |e verfasserin  |4 aut 
700 1 |a Su, Huawei  |e verfasserin  |4 aut 
700 1 |a Cao, Binghai  |e verfasserin  |4 aut 
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