Nutritional value of high moisture corn silage in the diet of Holstein cows

Abstract

Five Holstein cows were distributed in a 5x5 latin square design to assess the effect of replacement levels of dry ground corn grain (DGCG) by high moisture corn silage (HMCS) on intake, total nutrient digestibility and plasma glucose, according to the following treatments: 1) 100% DGCG; 2) 75% DGCG and 25% HMCS; 3) 50% DGCG and 50% HMCS; 4) 25% DGCG and 75% HMCS; 5) 100% HMCS. The experiment lasted 70 days, divided into five phases of 14 days each. The digestibility was obtained using chromic oxide (Cr 2 O 3 ) as the indicator. Fecal samples were collected twice daily and blood samples were collected on the last day of each period before the first meal (0h) and 2h, 4h, 6h and 12h after the meal. There was no effect (P>0.05) on the intake of dry matter (DM), neutral detergent fiber (NDF), acid detergent fiber (ADF) and starch. The total apparent digestibility of DM, crude protein (CP), NDF and ADF were not affected (P>0.05) by the treatments, as well as the plasma glucose concentration. However, there was a decreased linear effect (P<0.05) for the protein intake and increased linear effect (P<0.05) for starch digestibility, as the level of HMCS was increased in the diets.Keywords: starch, digestibility, glucose, chromium oxide, processing Palavras-chave: amido, digestibilidade, glicose, óxido crômico, processamento RESUMO Cinco vacas da raça Holandesa foram distribuídas em quadrado latino 5x5 com o objetivo de se avaliar o efeito de níveis de substituição do grão seco de milho (GSM) pela silagem de grãos úmidos de milho

Yeast and bacteria from ensiled high moisture maize grains as potential mitigation agents of fumonisin B1

“…High moisture maize grain (HMMG) silage is based on the natural fermentation of whole or ground grains that are harvested shortly after the physiological maturity stage with an optimum dry matter content around 70% . During the last decade, it has become a more ubiquitous practice in Europe since it can be easily processed on farms, represents an economic storage procedure (no grain drying costs are encountered) and leads to an interesting feed characterised by a high starch digestibility and nutritional value for livestock . To our knowledge, the fate of FB 1 during the HMMG ensiling process has not been documented while numerous studies have addressed the issue of whole maize plant silage contamination with mycotoxins .…”

Replacement of corn with pre-dried cassava root silage in the diet for dairy goats

“…Mouro et al (2002) also found no effect on the production of goat milk when the corn grain was replaced with the cassava root meal. We suggest that, although it reduced the DMI, the increasing inclusion of CRS increased the digestibility of dietary organic matter, mainly due to the recognized effect of silage on starch degradability (Moharrery, Larsen, & Weisbjerg, 2014;Persichetti Júnior et al, 2014). Nevertheless, Rangel, Leonel, Braga, Pinheiro, and Lima Júnior (2008) further explain that cassava starch is more degradable than corn starch due to its greater hydration capacity (amylose present only in the amorphous region, forming less hydrogen bonds with amylopectin) and the lower formation of lipid-amylose complexes from cassava starch to the detriment of corn starch.…”

Ruminal responses, digestibility, and blood parameters of beef cattle fed diets without forage with different hybrids and processing of the corn

“…In finishing diets containing roughage, researchers have reported lower DMI of cattle fed high moisture corn compared with dry milled (Silva et al, 2007), but also the absence of effects of processing method on DMI (Henrique et al, 2007;Persichetti et al, 2014).…”

“…Furthermore, processing grains intensively (e.g., ensiling high moisture milled corn) increases the amount of starch degradable in the rumen, which reduces DMI, particularly in diets containing high inclusions of such grains (Bradford & Allen, 2007; Oba & Allen, 2003; Owens et al, 1997). In finishing diets containing roughage, researchers have reported lower DMI of cattle fed high moisture corn compared with dry milled (Silva et al, 2007), but also the absence of effects of processing method on DMI (Henrique et al, 2007; Persichetti et al, 2014).…”