Pasture Production and Utilization

Keuren, R. W. Van; Matches, A. G.

doi:10.2134/agronmonogr15.c29

Cited by 20 publications

(4 citation statements)

References 71 publications

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“…Research has compared mixed legume‐grass pastures to monoculture grasses and reported greater nutritive values and potential milk production for legume containing pastures (Zemenchik et al, 2002), and higher legume sward percentage lowers fiber concentration, and increases protein concentration, animal performance, and gain ha −1 (Mouriño et al, 2003). Increased nutritive value and animal performance of mixed grass‐legume pastures compared to grass pastures undoubtedly have a favorable economic impact, but the ability of legumes to remain in the pasture under grazing is often limited (Van Keuren and Matches, 1988; Forde et al, 1989). Hoveland et al (1990) demonstrated that interseeding legumes into TF monocultures increased the nutritive value of available forage, and steers grazing a TF–white clover pasture had greater body weight gain and reduced production cost than those grazing monocultures of TF in Georgia pastures.…”

mentioning

confidence: 99%

Stocker Steer Performance on Tall Fescue or Meadow Fescue Alone or in Binary Mixture with White Clover

2014

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Little research has been conducted in the northern United States to evaluate meadow fescue [Schedonorus pratensis (Huds.) P. Beauv] or tall fescue [S. arundinaceus (Schreb.) Dumort] in pastures, and implications for animal performance. is research compared swards containing meadow fescue (MF) or tall fescue (TF) alone or co-established with white clover (Trifolium repens L.). Pastures were rotationally grazed with crossbred beef steers (Bos taurus, initial weight 261 kg, n = 180) using a variable stocking rate to detect treatment di erences. Sward white clover percentage decreased as the trial progressed (42, 25, and 12 for years 1, 2, and 3, respectively), coinciding with decreased steer performance. Swards containing TF had greater available forage (3200 vs. 2800 kg ha -1 ) and less in vitro true digestibility, neutral detergent ber digestibility, and steer average daily gain (ADG) (0.84 vs. 0.98 kg d -1 ) (P < 0.05) than MF swards. Adding white clover to MF and TF swards improved forage quality, steer ADG (0.98 vs. 0.84 kg d -1 ), and animal gain per hectare (780 vs. 680 kg ha -1 ) (P < 0.05) vs. monoculture grass pastures. Steers on MF pastures had greater ADG than TF pastures, but because TF pastures had greater stocking rate, gain per hectare was not di erent for the two grasses (728 vs. 735 kg) (P > 0.05). ese results demonstrate the superior forage quality and animal performance of MF pastures, the higher productivity of TF pastures, and the need for a productive, persistent legume in upper Midwest pastures.

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confidence: 99%

Stocker Steer Performance on Tall Fescue or Meadow Fescue Alone or in Binary Mixture with White Clover

2014

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“…In this context, this fear of bloat makes farmers graze more mature alfalfa, when forage quality is much lower. Feeding overmature alfalfa forage usually results in greater economic losses from low beef cattle weight gain or dairy milk production than the potential losses from bloat itself (Van Keuren & Marten, 1972).…”

Section: Alfalfa Systems Management Strategiesmentioning

confidence: 99%

Systems management strategies for increasing alfalfa use in warm‐humid regions

Tucker,

Mullenix,

Rios

et al. 2024

Grassland Research

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Alfalfa use (Medicago sativa L.; “lucerne”) in warm, humid regions of the world represents a potential area of expansion for the alfalfa industry. The objective of this review paper is to demonstrate how alfalfa forage breeding and systems research efforts have identified opportunities for increasing alfalfa contributions in these regions, along with potential pathways for seed industry and farming operations to increase adoption. Our review draws primarily on reports from the Southeast United States and Argentina. Significant technological advancements in plant screening and selection have identified alfalfa plant populations that are more adapted to the growing conditions experienced in these regions, which are often characterized by mild temperature, long growing seasons, and multiple other abiotic and biotic stressors. Management systems research conducted in the United States and Argentina has demonstrated the use of alfalfa for conserved forage, grazing, or dual‐purpose use in monoculture or mixtures with warm‐season grasses such as bermudagrass (Cynodon spp.). These trials report increased forage production, nutritive value, and ecosystem services of alfalfa–grass mixtures when compared with traditionally N‐fertilized warm‐season grass‐based systems. Grazing‐based alfalfa systems in Argentina have demonstrated methods for utilizing alfalfa as part of beef, dairy, and finishing systems. Some approaches for expanding alfalfa production in the region include targeted marketing efforts for adapted varieties and demonstrating alfalfa applications within existing farming frameworks. This includes educational programming efforts and on‐farm demonstrations to promote alfalfa use as a component of the livestock diets, integration into grass‐based systems, crop rotations, and wildlife use. Continued emphasis on a systems approach to alfalfa inclusion represents an opportunity for improved forage and livestock production in warm, humid regions of the world.

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“…Perhaps, but other factors likely are involved. An additional factor is the practice of grazing alfalfa fields, sometimes in combination with mechanical harvest, in many areas of the US (16). Pasture yields are not included in the Census and Survey figures.…”

Section: Census Of Agriculturementioning

confidence: 99%

The Alfalfa Yield Gap: A Review of the Evidence

Russelle

2013

Forage & Grazinglands

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Pasture Production and Utilization

Cited by 20 publications

References 71 publications

Stocker Steer Performance on Tall Fescue or Meadow Fescue Alone or in Binary Mixture with White Clover

Stocker Steer Performance on Tall Fescue or Meadow Fescue Alone or in Binary Mixture with White Clover

Systems management strategies for increasing alfalfa use in warm‐humid regions

The Alfalfa Yield Gap: A Review of the Evidence

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