Ensiling characteristics, ruminal nutrient degradabilities and whole tract nutrient utilization of berseem clover (<i>Trifolium alexandrinum</i> L.) silage

Mustafa, A. F.; Séguin, Philippe

doi:10.4141/a02-050

Cited by 12 publications

(26 citation statements)

References 16 publications

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“…Most of TP was in the form of intermediately degradable fraction. Distribution of the TP fractions in this study were similar to that previously reported for other legume silages (Mustafa et al 2002;Mustafa and Seguin 2003).…”

Section: Chemical Composition Of 45 D Silagessupporting

confidence: 79%

“…The pH values of the 45-d silages were within the values reported for well-preserved legume silages (Whiter and Kung 2001;Mustafa et al 2002). Changes in pH during ensiling observed in this study were similar to changes observed for other legume silages (Whiter and Kung 2001;Mustafa et al 2002;Mustafa and Seguin 2003).…”

Section: Ensiling Characteristicssupporting

confidence: 72%

“…However, Mckersie and Buchanan-Smith (1982) indicated that the cessation of proteolysis after few days of ensiling is not due to loss of enzyme activity and that pH was not inhibiting. It appears that most of proteolytic activities in the present study took place within the first 4 d post-ensiling, suggesting that proteases in faba bean, soybean, and pea forages behave in a similar manner to other forage legumes (Papadopoulos and Mckersie 1983;Mustafa et al 2002;Mustafa and Seguin 2003).…”

Section: Changes In Protein Fractions During Ensilingmentioning

confidence: 78%

“…Our previous studies showed that differences in the ensiling characteristics of legumes greatly influence their ruminal nutrient degradability (Mustafa et al 2002;Mustafa and Seguin 2003). Information on the fermentation quality and nutrient availability of whole-crop FS and SS remains limited.…”

mentioning

confidence: 99%

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Characteristics and in situ degradability of whole crop faba bean, pea, and soybean silages

Mustafa¹,

Séguin²

2003

Can. J. Anim. Sci.

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P. 2003. Characteristics and in situ degradability of whole crop faba bean, pea, and soybean silages. Can. J. Anim. Sci. 83: 793-799. The objective of this study was to determine the ensiling characteristics and ruminal nutrient degradabilities of faba bean (FS, Vicia faba L.), soybean (SS, Glycine max (L.) Merr.) and pea (PS, Pisum sativum L.) silages. Forages were harvested between the beginning-and full-seed stages and ensiled in mini-silos for 0, 2, 4, 16, and 45 d. Two lactating Holstein cows fitted with ruminal fistulae were used to determine ruminal nutrient degradabilities. Results showed that all silages went through a rapid fermentation as indicated by rapid decline in pH and sharp increase in lactic acid concentration within the first 2 d of ensiling. Extensive proteolysis took place between day 0 and day 4 post-ensiling as indicated by a significant reduction in true protein (TP) and a significant increase in non-protein nitrogen (NPN). During the 45 d of ensiling, TP decreased (P < 0.05) by 26, 31, and 45% while NPN increased (P < 0.05) by 82, 54, and 47% for FS, SS, and PS, respectively. Chemical analysis showed that the three 45-d silages contained a similar level of neutral detergent fiber (NDF, average 421 g kg -1 ). Crude protein (CP) was highest (P < 0.05) for FS, intermediate for SS, and lowest for PS. Distribution of protein fractions showed that soluble protein and NPN were highest (P < 0.05) for PS, intermediate for SS, and lowest for FS. Neutral (NDICP) and acid (ADICP) detergent insoluble protein levels followed an opposite order to that observed for soluble crude protein (SCP) and NPN. Results of the in situ study showed that SS and PS had a similar ruminal degradability of dry matter (average 68.8%) and CP (82.9%), which were higher (P < 0.05) than those of FS (66.2 and 79.4%, respectively). However, no differences in ruminal degradability of NDF (average 34.7%) were observed between the three legume silages. . Les fourrages ont été récoltés du début à la fin de la production des graines puis stockés dans des silos miniatures pendant 0, 2, 4, 16 et 45 jours. Les chercheurs ont ensuite utilisé deux vaches Holstein en lactation pourvues d'une fistule au rumen pour vérifier la dégradation des éléments nutritifs. Les ensilages connaissent une fermentation rapide, comme le révèle la brusque chute du pH et la forte hausse de la concentration d'acide lactique au cours des deux premiers jours. Une forte protéolyse survient entre le jour 0 et le jour 4, ainsi qu'en témoignent la réduction appré-ciable de la concentration de vraies protéines (VP) et la hausse sensible de la teneur en azote non protéique (ANP). Pendant les 45 jours d'ensilage, la concentration de VP de l'EF, de l'ES et de l'EP baisse (P < 0,05) respectivement de 26, de 31 et de 45 % alors que celle d'ANP augmente (P < 0,05) de 82, de 54 et de 47 %. L'analyse chimique révèle que les trois ensilages contiennent une concentration analogue de fibres au détergent neutre après 45 jours d'ensilage (421 g par kilo, en moyenne). C'est l'...

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Section: Chemical Composition Of 45 D Silagessupporting

confidence: 79%

Section: Ensiling Characteristicssupporting

confidence: 72%

Section: Changes In Protein Fractions During Ensilingmentioning

confidence: 78%

mentioning

confidence: 99%

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Characteristics and in situ degradability of whole crop faba bean, pea, and soybean silages

Mustafa¹,

Séguin²

2003

Can. J. Anim. Sci.

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“…The pH of bean, FB and BFB silages was within the acceptable range for good-quality legume silage (MUSTAFA & SEGUIN, 2003a, 2003b. However, BCV and CV silages showed high values of pH, possibly explained by the high content of fiber, or by the low DM content of forages, which could enhance poor compression.…”

Section: Discussionmentioning

confidence: 99%

Ensiling on chemical composition and in vitro fermentation in rabbits of different forages

et al. 2017

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The effect of chemical composition of silages on in vitro gas fermentation profiles in rabbits was examined. The study was performed using 7 silages: beans (Phaseolus vulgaris), faba bean (FB, Vicia faba), common vetch (CV, Vicia sativa), ryegrass (Lolium perenne), barley (B, Hordeum vulgare), barley with common vetch (BCV) and barley with faba bean (BFB). We used 3 New Zealand White (NZW) rabbits as donors of caecal content in each incubation run (n=3). Data were analyzed in a completely randomized experimental design. The CV silage showed higher values of crude protein (CP), followed by FB and bean silages (P<0.001). Barley silage had the lowest CP content (96g kg-1 DM) (P=0.001). The NDF and ADF content were lower (P<0.001) for beans and CV compared with the rest of the forage silages. Ryegrass silage had higher values of dry matter degradation, organic matter degradation, relative GP and SCFA (P<0.001). The highest values of digestible energy were for CV and bean silages (P<0.001). Ryegrass and CV silages showed higher levels in GP parameters, which could be associated with their better chemical composition characteristics, mainly protein and fiber content.

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Effects of inoculation of high dry matter alfalfa silage on ensiling characteristics, ruminal nutrient degradability and dairy cow performance

2004

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The objective of this study was to determine the effects of a homolactic acid inoculant on ensiling characteristics and nutritive value of high dry matter (DM) alfalfa. The ensiling characteristics were determined by ensiling inoculated and untreated alfalfa haylage in mini-silos for 0, 2, 4, 8, 16 and 45 days. Two lactating cows fitted with ruminal fistulas were used to determine ruminal degradabilities of nutrient in inoculated and untreated alfalfa silage (45-day silage). Effects of feeding inoculated and untreated alfalfa silage on animal performance were determined using 28 lactating dairy cows fed total mixed diets (40% forage and 60% concentrate) with the forage portion consisting of inoculated or untreated alfalfa silage. The pH of the inoculated silage declined from 5.9 to 4.5 within 2 days of ensiling while the pH of the untreated silage did not drop below 5 until day 16 post-ensiling. At all ensiling times, inoculated alfalfa silage had lower pH than untreated alfalfa silage. The concentration of lactic acid was higher while that of water-soluble carbohydrates was lower for inoculated than untreated alfalfa silage at all ensiling times. Inoculation increased proteolysis as indicated by a reduction in true protein and neutral detergent insoluble protein and an increase in non-protein nitrogen. Ruminal degradability of DM, crude protein and neutral detergent fiber of alfalfa silage were not affected by inoculation. The average effective degradability of dry matter, crude protein and neutral detergent fiber was 66, 65 and 62%, respectively. Dairy cows fed inoculated alfalfa silage had DM intake (average 22 kg day −1 ) and milk yield (average 42 kg day −1 ) similar to cows fed untreated alfalfa silage. It was concluded that the inoculant used in this study improved the ensiling characteristics of alfalfa silage with no significant effects on dairy cow performance.

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Ensiling characteristics, ruminal nutrient degradabilities and whole tract nutrient utilization of berseem clover (Trifolium alexandrinum L.) silage

Cited by 12 publications

References 16 publications

Characteristics and in situ degradability of whole crop faba bean, pea, and soybean silages

Characteristics and in situ degradability of whole crop faba bean, pea, and soybean silages

Ensiling on chemical composition and in vitro fermentation in rabbits of different forages

Effects of inoculation of high dry matter alfalfa silage on ensiling characteristics, ruminal nutrient degradability and dairy cow performance

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