Tannin-containing legumes and forage diversity influence foraging behavior, diet digestibility, and nitrogen excretion by lambs1,2

Lagrange, Sebastián; Villalba, Juan J.

doi:10.1093/jas/skz246

Cited by 15 publications

(5 citation statements)

References 47 publications

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“…Alternatively, CT may still be active under the pH level (5.0) of the proximal small intestine and interfere with endogenous and microbial proteolytic enzymes, increasing the proportion of protein in the feces [94]. In support of this, Lagrange et al [74] observed that beef cattle grazing sainfoin partitioned more N to feces (30.1% vs. 22.7%, respectively) than animals grazing birdsfoot trefoil, and sheep fed fresh sainfoin showed greater fecal N than sheep fed pure birdsfoot trefoil or alfalfa (31.5% vs. 26.6%, respectively; [113]). This may reduce N retention, as observed for sainfoin diets [114].…”

Section: Condensed Tannin-protein Complexes and Reductions In Urinary N Excretionsmentioning

confidence: 96%

“…In support of this, Lagrange et al [74] observed a 33% greater dry matter intake (DMI) and 30 to 50% greater ADG in heifers that grazed a 3-way choice among alfalfa, sainfoin, and birdsfoot trefoil relative to the average DMI and ADG from animals grazing the same three species in monocultures, suggesting a synergism among pasture species when these were consumed together. Similarly, sheep that were offered a choice of different legumes and selected 50% alfalfa, 35% sainfoin, and 15% birdsfoot trefoil had 10% greater DMI and DM digestibility than for the average DMI value calculated from the same proportions of these forages when they were fed separately [113]. On the other hand, Wang et al [147] observed similar feed intakes in beef steers grazing pure alfalfa or mixed alfalfa-sainfoin pastures containing up to 35% sainfoin; Christensen [170], when feeding a mixture of alfalfa-birdsfoot trefoil hays to dairy cows, did not find differences in DMI relative to feeding pure alfalfa.…”

Section: Forage Diversity In Beef Cattle Production Systemsmentioning

confidence: 99%

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The Use of Temperate Tannin Containing Forage Legumes to Improve Sustainability in Forage–Livestock Production

2021

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Greenhouse gas emissions from ruminant livestock production systems contribute significantly to the environmental footprint of agriculture. Emissions are lower for feedlot systems than for grass-based systems primarily because of the extra time required for grass-finished cattle to reach slaughter weight. In contrast, legume forages are of greater quality than grasses, which enhances intake and food conversion efficiencies, leading to improvements in production and reductions in environmental impacts compared with forage grasses. In addition, the presence of certain bioactives in legumes such as condensed tannins (CT) enhance the efficiency of energy and protein use in ruminants relative to grasses and other feeds and forages. Grazing tannin-containing legumes also reduce the incidence of bloat and improve meat quality. Synergies among nutrients and bioactives when animals graze diverse legume pastures have the potential to enhance these benefits. Thus, a diversity of legumes in feeding systems may lead to more economically, environmentally, and socially sustainable beef production than grass monocultures or feedlot rations.

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Section: Condensed Tannin-protein Complexes and Reductions In Urinary N Excretionsmentioning

confidence: 96%

Section: Forage Diversity In Beef Cattle Production Systemsmentioning

confidence: 99%

The Use of Temperate Tannin Containing Forage Legumes to Improve Sustainability in Forage–Livestock Production

2021

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“…Further, animals can be raised in intercropping systems to graze on crop residue, contributing to soil fertility and pest management. By incorporating a variety of forage species (e.g., alfalfa, sainfoin, birdsfoot trefoil, ryegrass, and clover) into pastures, a more diverse and nutritious diet can be provided to animals and can promote biodiversity in the ecosystem, as well as helping to make the pastures more climate-resilient [130][131][132]. Integrating multiple livestock species into crop production or agroforestry systems, such as using chickens to control pests in orchards or goats, sheep, and cows to fertilize fields, may increase system effectiveness and decrease the requirement for synthetic inputs [108].…”

Section: The Principles Of Preserving Biodiversity Synergy and Soil H...mentioning

confidence: 99%

Sustainable Small Ruminant Production in Low- and Middle-Income African Countries: Harnessing the Potential of Agroecology

Anim-Jnr,

Sasu,

Bosch

et al. 2023

Sustainability

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The role of small ruminant production in achieving sustainable and resilient food systems in low- and middle-income countries (LMICs) is yet to be fully explored or incorporated into current agroecological practices and policies. This review examines the principles and practices of agroecology, focusing on circular food systems and the sociopolitical aspects of their implementation for small ruminant production in LMICs. It discusses Gliessman’s five levels of agroecological transition and eight principles for integrating small ruminant production into agroecology: input reduction, animal health, soil health, biodiversity, recycling, synergy, economic diversification, and co-creation of knowledge. The review highlights that, while there are differing interpretations in the scientific literature, there is a growing consensus that agroecological practices applied to small ruminant production have the potential to improve integration and self-sufficiency in farming systems, improve animal health, reduce reliance on external inputs, and promote circularity and biodiversity. This reinforces the view that agroecological approaches to small ruminant production can foster a sustainable and interconnected system that strengthens the relationships between animals, plants, and the environment and enhances circularity. To achieve successful implementation and widespread adoption of these approaches, it is crucial to facilitate greater collaboration and cocreation of knowledge among small ruminant farmers and stakeholders in the small ruminant livestock industry.

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“…This diversity allows for individuals to select a range of plant components that differ in their harvestability and nutritive value and allows for variation in preferences to be expressed. Having a forage resource that is diverse can increase feed intake (Lagrange and Villalba 2019) and has been attributed to improved animal welfare (Beck and Gregorini 2020). In a monoculture system such as a brassica crop, there is a limited ability to select a diverse diet and therefore this could potentially have detrimental impacts on some individuals.…”

Section: Introductionmentioning

confidence: 99%

GPS-derived foraging behaviour of red deer and liveweight gain of red deer and wapiti crossbred sire lines on contrasting winter forage types

et al. 2023

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Context It is common practice to manage red deer on highly digestible easily harvested forage during winter on New Zealand deer farms, particularly in areas that experience low or no pasture growth during this period. However, not all individuals within these production systems perform equally. Aims To investigate foraging behaviour of young red deer and liveweight gain of young red deer and wapiti crossbred sire lines when offered two contrasting winter forage diets. Methods One hundred and sixty-three rising 1-year-old female red deer and red deer wapiti crossbreds representing five red deer and two wapiti sires, were split into two management groups balanced by sire and liveweight and managed on either an easily harvested highly digestible diet (forage kale) or a harder-to-harvest more poorly digestible diet (pasture) for a 6-week period during winter. Foraging behaviour was monitored on 95 red deer yearlings by using GPS collars over a 2-week period. Liveweights were recorded at the start and end of the 6-week period. Key results Progeny managed on the kale treatment exhibited an extended activity period during the dawn period and a suppressed activity period during the middle of the day. Progeny managed on the pasture treatment exhibited frequent shorter activity periods from dawn to dusk. Time spent foraging and the number of foraging bouts greater than 5 min in duration were different among progeny of different sires. These differences in behaviour did not affect liveweight gain. Liveweight gain over the 6-week trial period was significantly higher for progeny from one wapiti sire than for all red deer sire progeny while being managed on the kale diet (P < 0.001), but there were no differences among progeny on the pasture diet. Conclusion Foraging behaviour varied considerably between sire lines and appeared to vary between forage type, but there were no correlations between behaviour and liveweight gain in this trial. Implications Forage type offered to young red deer may alter their foraging behaviour. Offering an easier to harvest high digestible forage diet may increase liveweight gain of progeny that have a higher genetic potential to grow during the winter period.

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Tannin-containing legumes and forage diversity influence foraging behavior, diet digestibility, and nitrogen excretion by lambs1,2

Cited by 15 publications

References 47 publications

The Use of Temperate Tannin Containing Forage Legumes to Improve Sustainability in Forage–Livestock Production

The Use of Temperate Tannin Containing Forage Legumes to Improve Sustainability in Forage–Livestock Production

Sustainable Small Ruminant Production in Low- and Middle-Income African Countries: Harnessing the Potential of Agroecology

GPS-derived foraging behaviour of red deer and liveweight gain of red deer and wapiti crossbred sire lines on contrasting winter forage types

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