The performance of Mediterranean dairy sheep given access to sulla (Hedysarum coronarium L.) and annual ryegrass (Lolium rigidum Gaudin) pastures in different time proportions

Molle, G.; Decandia, M.; Fois, Nicola; Ligios, S.; Cabiddu, A.; Sitzia, M.

doi:10.1016/s0921-4488(03)00147-0

Cited by 40 publications

(40 citation statements)

References 14 publications

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“…Goats fed Sulla fresh forage, compared with the dry diet group, exhibited increased DMI, regardless of barley energy supplementation. This positive effect of Sulla forage on the voluntary feed intake of goats observed in our experiment confirms previous findings from milking sheep (Molle et al, 2003;Bonanno et al, 2007b) and lambs (Bonanno et al, 2011) and can be linked to its more favorable chemical composition. Indeed, compared with hay, the ingested Sulla forage showed high CP content, low NDF and ADL contents, and a high NSC-to-NDF ratio ( Table 1), characteristics that generally result in a faster rate of degradation in the rumen and subsequent faster outflow to the intestine which favors the increase of DMI (Burke et al, 2004;Avondo et al, 2008).…”

Section: Feed Intakesupporting

confidence: 92%

Effects of Sulla forage (Sulla coronarium L.) on the oxidative status and milk polyphenol content in goats

Trana

Bonanno

Gualandi

et al. 2015

Journal of Dairy Science

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Twelve milking Girgentana goats were allocated into 3 groups and fed 3 diets ad libitum in a 3 × 3 Latin square design with 3 periods. The diets were Sulla fresh forage ad libitum (SUL), Sulla fresh forage ad libitum and 800 g/d of barley meal (SULB), and mixed hay ad libitum and 800 g/d of barley meal (HB). Changes were observed in total polyphenol intake, plasma oxidative status, plasma polyphenol content, metabolic status, milk polyphenol content, and total antioxidant capacity. The fresh forage diets (SUL and SULB) increased dry matter, total polyphenol, nontannic polyphenol and tannin intakes, and the milk total protein, casein, milk total polyphenols, and milk free polyphenols compared with the HB diet. The intake of condensed tannins was higher in the SUL than in the HB group, and an intermediate value was recorded for the SULB group. Plasma from the SUL-and SULBfed goats exhibited greater total antioxidant capacity and greater total polyphenol and free polyphenol levels compared with the plasma from the HB group. Positive correlations between plasma total antioxidant capacity and condensed tannins intake (r = 0.43), plasma total polyphenol and total polyphenol intake (r = 0.61), and plasma free polyphenol and milk total polyphenols (r = 0.38) were observed. The correlation between milk free polyphenols and whey total antioxidant capacity (r = 0.42) highlights the role of free polyphenols in the determination of the antioxidant activity of milk. These results indicate that Sulla fresh forage exerts an antioxidant activity due to its secondary compounds that provide additional antioxidant value and that Sulla forage appears to be a promising strategy for improving product quality.

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Section: Feed Intakesupporting

confidence: 92%

Effects of Sulla forage (Sulla coronarium L.) on the oxidative status and milk polyphenol content in goats

Trana

Bonanno

Gualandi

et al. 2015

Journal of Dairy Science

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“…The chemical composition of forages grazed by ewes was in line with that of the respective plant species (Molle et al, 2003;Bonanno et al, 2013a).…”

Section: Discussionmentioning

confidence: 53%

“…As ryegrass was higher in NDF than sulla, this behaviour could also be caused by the exigency to eat more fibre in the night, as high-fibre intake during the day may compete with rumination (Dumont et al, 2001). The higher DM intake of ewes grazing sulla compared with those grazing ryegrass could be related to sulla composition, which is lower in NDF and higher in NFC than ryegrass, favouring voluntary intake as observed by Molle et al (2003). The lower intake rate with ryegrass may be explained by the low amount of biomass per bite, which characterises the prehension of grass forage by ewes (Orr et al, 2001).…”

Section: Discussionmentioning

confidence: 96%

Effects of ewes grazing sulla or ryegrass pasture for different daily durations on forage intake, milk production and fatty acid composition of cheese

Bonanno

Grigoli

Mazza

et al. 2016

animal

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Sulla (Sulla coronarium L.) forage is valued for its positive impact on ruminant production, in part due to its moderate content of condensed tannin (CT). The duration of daily grazing is a factor affecting the feed intake and milk production of ewes. In this study, the effects of grazing sulla pasture compared with annual ryegrass, and the extension of grazing from 8 to 22 h/day, were evaluated with regard to ewe forage intake and milk production, as well as the physicochemical properties and fatty acid (FA) composition of cheese. During 42 days in the spring, 28 ewes of the Comisana breed were divided into four groups (S8, S22, R8 and R22) that grazed sulla (S) or ryegrass (R) for 8 (0800 to 1600 h) or 22 h/day, and received no feeding supplement. In six cheese-making sessions, cheeses were manufactured from the 48 h bulk milk of each group. Compared with ewes grazing ryegrass, those grazing sulla had higher dry matter (DM) intake, intake rate and milk yield, and produced milk that was lower in fat and higher in casein. Ewes grazing for 22 h spent more time eating, which reduced the intake rate, increased DM and nutrient intake and milk yield, and reduced milk fat. Due to the ability of CT to inhibit the complete ruminal biohydrogenation of polyunsaturated fatty acids (PUFA), the FA composition of sulla cheese was more beneficial for consumer health compared with ryegrass cheese, having lower levels of saturated fatty acids and higher levels of PUFA and n-3 FA. The FA profile of S8 cheese was better than that of S22 cheese, as it was higher in branched-chain FA, monounsaturated FA, PUFA, rumenic acid (c9,t11-C18:2), and had a greater health-promoting index. The effect of short grazing time on sulla was attributed to major inhibition of PUFA biohydrogenating ruminal bacteria, presumably stimulated by the higher accumulation of sulla CT in the rumen, which is related to a higher intake rate over a shorter eating time. Thus, grazing sulla improved the performance of ewes, thereby increasing, especially with short grazing time, the nutritional properties of cheese fat.

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“…Sulla is highly palatable and used in feeding sheep (Molle et al, 2003), goats (Bonanno et al, 2007) or cows (Ramirez-Restrepo and Barry, 2005). In rabbit nutrition, Cucchiara (1989) included dehydrated H. coronarium up to 35% in total replacement of dehydrated alfalfa in fattening rabbit diet, obtaining better performances.…”

Section: Introductionmentioning

confidence: 99%

Nutritive Value of Sun-Dried Sulla (Hedysarum Flexuosum) and Its Effect on Performance and Carcass Characteristics of Growing Rabbits

et al. 2011

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AbstrAct:The nutritive value and potential use of sundried sulla hay [(Hedysarum flexuosum), g/kg as feed: 885 dry matter, 438 neutral detergent fibre (NDF), 337 acid detergent fibre, 80 acid detergent lignin and 147 crude protein (CP)] for growing rabbits was studied by comparing 3 diets containing an increasing inclusion rate of sulla hay (S): 0% (control, S0), 15% (S15) and 30% (S30) in substitution for control diet (294 g NDF and 179 g CP/ kg). Three groups of 30 rabbits (individually caged) were fed ad libitum the 3 diets from weaning (35 d, mean weight: 572±93 g) to 84 d of age. Faecal digestibility of the diets was measured between 42 and 46 d of age on 10 rabbits per group. The digestible energy (DE) concentration of sulla hay estimated by regression was 8.96±0.57 MJ/kg DM, thus 7% higher than standard alfalfa meal, which would account for its high NDF digestibility (54.9%). Digestibility of crude sulla protein was estimated at 42.8%, corresponding to a digestible crude protein concentration of 71.1±8.9 g/kg DM. Even at a high incorporation rate in the feed (30%), sulla hay did not cause adverse effects on the animal growth (mean 36.0 g/d), feed intake (mean 119 g/d) or health. Feed conversion was better for a moderate rate of sulla inclusion in the diet (about 15%) than for a higher inclusion rate (3.14 vs. 3.36, P<0.001). Health status and slaughter traits were not affected by the sulla incorporation rate. Sun-dried sulla hay (Hedysarum flexuosum) could thus be considered as a good fibre source for the rabbit as a substitute for alfalfa meal.

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The performance of Mediterranean dairy sheep given access to sulla (Hedysarum coronarium L.) and annual ryegrass (Lolium rigidum Gaudin) pastures in different time proportions

Cited by 40 publications

References 14 publications

Effects of Sulla forage (Sulla coronarium L.) on the oxidative status and milk polyphenol content in goats

Effects of Sulla forage (Sulla coronarium L.) on the oxidative status and milk polyphenol content in goats

Effects of ewes grazing sulla or ryegrass pasture for different daily durations on forage intake, milk production and fatty acid composition of cheese

Nutritive Value of Sun-Dried Sulla (Hedysarum Flexuosum) and Its Effect on Performance and Carcass Characteristics of Growing Rabbits

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