Pleurotus Ostreatus and Volvariella Volvacea Can Enhance the Quality of Purple Field Corn Stover and Modulate Ruminal Fermentation and Feed Utilization in Tropical Beef Cattle

Abstract

This objective is to elucidate the effect of purple field corn stover treated with Pleurotus ostreatus and Volvarialla volvacea on feed utilization, ruminal ecology, and CH4 synthesis in tropical beef cattle. Four male Thai native beef cattle (100 ± 30 kg of body weight (BW) were assigned randomly as a 2 × 2 factorial arrangement in a 4 × 4 Latin square design. Factor A (roughage sources) was rice straw and purple field corn stover and factor B was species of white-rot fungi (P. ostreatus and V. volvacea). After fermentation, crude protein (CP) was increased in rice straw and purple field corn stover fermented with P. ostreatus and V. volvacea. The unfermented purple field corn stover contained 11.8% dry matter (DM) of monomeric anthocyanin (MAC), whereas the MAC concentration decreased when purple field corn stover was fermented with white rot fungi. There were no changes (p > 0.05) in DM intake of body weight (BW) kg/d and g/kg BW0.75 among the four treatments. The organic matter (OM), CP, and acid detergent fiber (ADF) intake were different between rice straw and purple field corn stover and were the greatest in the purple field corn stover group. Moreover, the current study showed that neutral detergent fiber (NDF) and ADF digestion was higher in purple field corn stover than in rice straw, but there were no significant differences between P. ostreatus and V. volvacea. There were significant effects of roughage sources on ammonia nitrogen (NH3-N) at 4 h after feeding. Bacterial population was changed by feeding with purple field corn stover fermented with P. ostreatus and V. volvacea. On the other hand, the number of protozoa was reduced by approximately 33% at 4 h after feeding with purple field corn stover (p < 0.01). Propionic acid concentration was different between roughage sources (p < 0.01) enhanced with purple field corn stover fermented with P. ostreatus and V. volvacea. In addition, methane production decreased by 15% with purple field corn stover fermented with P. ostreatus and V. volvacea compared to rice straw. There were significant differences on all nitrogen balances parameters (p < 0.05), except the fecal N excretion (p > 0.05) were not changed. Furthermore, microbial crude protein and efficiency of microbial N synthesis were enhanced when purple field corn stover fermented with P. ostreatus and V. volvacea was fed compared to rice straw group. Base on this study, it could be summarized that P. ostreatus or V. volvacea can enhance the quality of purple field corn stover and modulate rumen fermentation and feed digestion in Thai native beef cattle.

WITHDRAWN: Supplementation With Purple Corn Anthocyanin Improves Growth Performance, Meat Quality, Muscle Antioxidant Status and Unsaturated Fatty Acid Profiles in Growing Goat

“…Our ndings indicated that the consumption of PCP did not side effect on DMI and growth performance in goats, suggesting that anthocyanin had no side effects on production performance. Consistent with our research results, Khonkhaeng and Cherdthong [22] who demonstrated that the feeding of anthocyanin-rich purple eld corn stover did not differ DMI, body weight (BW) kg/d and g/kg BW 0.75 in beef cattle. Furthermore, Ban [23] who reported that the addition of phenolic-rich mangosteen peel powder was no effect on DMI of meat goats.…”

Effects of Mass Selection on Husk and Cob Color in Five Purple Field Corn Populations Segregating for Purple Husks

“…The feeding of the anthocyanin-rich corn silage led to a reduction in aspartate aminotransferase (AST) activity and an increase in superoxide dismutase (SOD) activity in the plasma [21]. In Thailand, the improved population developed by this project is used as roughage and silage for tropical beef cattle [22]. In purple corn, the husk [5,23] and cob [5,23,24] had higher anthocyanin content than the kernel, based on tissue mass [2,25].…”

Technical and economic feasibility of an integrated ethanol and anthocyanin coproduction process using purple corn stover

“…presenting a conservative case with respect to bioethanol production. Purple corn stover hybrids with higher structural carbohydrate content have been reported 26,27 . Thus, the effect of low (LSC) and high structural carbohydrate content (HSC) on MESP of the modified processes was evaluated (Table 7).…”

“…Purple corn stover hybrids with higher structural carbohydrate content have been reported. 26,27 Thus, the effect of low (LSC) and high structural carbohydrate content (HSC) on MESP of the modified processes was evaluated (Table 7). Minimum ethanol selling prices (MESP) decreased with an increase in structural carbohydrate content in purple corn stover (Fig.…”

“…However, purple corn stover has been only been evaluated for use as cattle feed. [25][26][27] A detailed technoeconomic analysis would be required to assess the associated process costs and advantages, and overall feasibility of purple corn stover for coproduction of anthocyanin and cellulosic ethanol. Process modeling is an effective tool for estimating process requirements and yields, assessing economic performance and determining parameters critical for feasibility of a novel process.…”