Climate Resilience For Organic Vegetable Growers In The Midwest: Views, Needs, And Priorities Of Technical Service Providers,
2025
University of Minnesota Extension
Climate Resilience For Organic Vegetable Growers In The Midwest: Views, Needs, And Priorities Of Technical Service Providers, Natalie Hoidal, Greta Gramig, James Dedecker, Nicholas Frillman, Katie Black, Sarah Hayward, Rue Genger
Journal of Extension
As organic vegetable production becomes increasingly important in Upper Midwest food systems, Extension programs and partners must rise to the challenge of supporting growers with climate resilience. These growers are uniquely vulnerable to climate impacts, and addressing this challenge requires a networked approach. We report on a needs assessment and social network analysis process with technical service providers across the region to define the challenges, needs, and opportunities for building individual and institutional capacity to address climate change with growers. Results highlighted several focus areas, including improved communication, better access to funding, sound information, and cultural appropriateness.
Cover-Crop Effects On Near-Surface Soil Physical Properties,Infiltration, And Nematodes Over Time In The Lower Mississippiriver Valley,
2025
University of Arkansas, Fayetteville
Cover-Crop Effects On Near-Surface Soil Physical Properties,Infiltration, And Nematodes Over Time In The Lower Mississippiriver Valley, Cooper Fanning, Kristofor R. Brye, Mike Daniels, Trenton L. Roberts, Sam Fernandes, Lisa Wood
Crop, Soil and Environmental Sciences Faculty Publications and Presentations
Human population growth and climate change are stressors that continue to put pressure on current agricultural production systems. Cover crops (CC) as a means to improve soil health remain widely underused, particularly in the Lower Mississippi River Valley. The objective of this study was to evaluate the effects of CC on the change over time in near-surface bulk density, aggregate stability, total infiltration and steady-state infiltration rate, and nematode populations in eastern Arkansas. Averaged across depth, bulk density did not change over time under a no cover crop (NCC) treatment, but increased approximately 0.03 g cm-3 over time under CC. …
Changes In Elephantgrass Plant Components With Maturity: 1. Percentage Dry Yield,
2025
University of Florida
Changes In Elephantgrass Plant Components With Maturity: 1. Percentage Dry Yield, P Mislevy, F G. Martin, M B. Adjei
IGC Proceedings (1977-2023)
Elephantgrass (Pennisetum purpureum Schum.) biomass can be a source of energy for tropical regions of the world because of its high dry matter production (Mislevy et al., 1986 ; Prine et al., 1987). Research has shown the production of energy (methane) from biomass can be best understood through systems analysis methodology that integrates the availability of land, climate, production inputs, plant quality, etc. To assess available technology and identify information gaps Biomass to Methane (Biomet) models have been developed to determine the impacts of basic growth processes in response to the crops environment (Mishoe et al., 1987). Biomass growth …
Teneurs En Constituants Parietaux Et En Matieres Azotees Des Ligneuz Fourragers D'Afrique Occidentale,
2025
INRZFH
Teneurs En Constituants Parietaux Et En Matieres Azotees Des Ligneuz Fourragers D'Afrique Occidentale, A R. Kone, D Richard, H Guerin
IGC Proceedings (1977-2023)
Dans !es pays intertropicaux d'Afrique, l'elevage est surtout extensif et l'alimentation du betail est essentiellement basee sur le paturage nature! ou la strate ligneuse (arbres, arbustes) fournit des fourrages verts pendant la periode seche de l'annee, periode pendant laquelle le tapis herbace est sous forme de paille sur pied. Les ligneux sont done tres importants dans l'alimentation des ruminants domestiques et ii est necessaire d'en connaitre la composition chimique comme dans le cas des fourrages herbaces.
Evaluation Of Tree Legumes Species At Different Agroclimatic Zones Of Indonesia,
2025
Balai Penelitian Ternak Bogor
Evaluation Of Tree Legumes Species At Different Agroclimatic Zones Of Indonesia, Mas'ud Panjaitan, R Jessop, W W. Stur
IGC Proceedings (1977-2023)
The population of Indonesia is over 145 million and more than 56 % of them earn their living from agriculture (Bi. Stat. Ind., 1983). A major problem in the development of improved animal production has been the shortage of feed and the generally low nutritive value of tropical forages which limit livestock production in Indonesia (Asian Agriculture Survey, 1969). The production of feed of adequate quality for ruminants is an important consideration particularly for small holders. In many situations, nitrogen fixing legume trees can be used as a high protein feed supplement which improves the utilization of grasses and crop …
Valeur Nutritive D'Un Parcours Mixte A Acacia Cyanophylla, Atriplex Nummularia Et Medicago Arborea,
2025
University of Kentucky
Valeur Nutritive D'Un Parcours Mixte A Acacia Cyanophylla, Atriplex Nummularia Et Medicago Arborea, Y Saadani, C Kayouli
IGC Proceedings (1977-2023)
II existe tres peu de donnees concernant la valeur nutritive des arbustes fourragers ; les rares etudes realisees en Tunisie ont porte surtout sur leur productivite, la charge animale et sur leur appetence (Hamrouni et Sarson, 1975; Ben Boubaker, 1985). L'objectif de ce travail est d'etudier la valeur nutritive des feuilles et brindilles d' Acacia cyanophylla, d' A triplex nummularia et de Medicago arborea ainsi que leur contribution dans la ration de caprins et d'ovins.
Utilization Of Native Mediterranean Fodder Trees By Dairy Goats,
2025
INRA - S.A.D
Utilization Of Native Mediterranean Fodder Trees By Dairy Goats, M Meuret
IGC Proceedings (1977-2023)
Few data are available on utilization of fodder trees and shrubs by lactating goats. In most cases, predictions of animal performances on the basis of recommendations obtained from standard reference trials, do not correspond with production results achieved on the farm. Using measurements in digestibility cages and on rangelands (chromic oxide marker), we recorded intake, apparent digestibility of diets and performances of goats well used to rangelands and browsing fresh oak foliage (Quercus ilex and Quercus pubescens).
Phenols As Defensive Compounds In Birch (Betula Spp.) Metabolism Of Platyphylloside In Goats, Rabbits And Hares,
2025
Swedish University of Agricultural Sciences
Phenols As Defensive Compounds In Birch (Betula Spp.) Metabolism Of Platyphylloside In Goats, Rabbits And Hares, R T. Palo, G Iason, P G. Knutsonn
IGC Proceedings (1977-2023)
Herbivores of the boreal forest like moose (Alces alces), hares (Lepus spp.) and birds (Tetranoidae) use birch as a major feed source. The tree is of medium preference to the animals and is low in available nutrients for most of the year. Apart from a high amount of lignified cell walls it also contains considerable amounts oflow molecular phenolic substances (Palo, 1984). A herbivore feeding on birch could thus be excepted to ingest large amounts of phenols. These are in general enough fat soluble to enter animal cells expected to ingest large amounts of …
Forage Production And Nutritive Value Of Leucanea Leucoephala In Southern Puerto Rico,
2025
University of Puerto Rico
Forage Production And Nutritive Value Of Leucanea Leucoephala In Southern Puerto Rico, L E. Tergas, R Milton Martinez, A V. Mendez Cruz
IGC Proceedings (1977-2023)
Leucaena leucocephala (L.) is a perennial schrub native to Mexico, Central America and the Caribbean, considered by investigators as a valuable forage legume because of its capacity for high production of digestible forage with a high protein content and tolerance to drought in semiarid regions with annual rainfall less than 1,000 mm (Skerman, 1977). The soil fertility of the semiarid region in southern Puerto Rico is adequate, but rainfall distribution is limiting for forage production and nutritive value. There is a demand for a suitable and inexpensive source of high quality forage to improve the diet of the grazing cattle …
Effect Of Chemical Composition Of Roughages On Their Degradation Characteristics In The Rumen And Their Relationship With The < In Vitro > Organic Matter Digestibility,
2025
Universidad de Leon
Effect Of Chemical Composition Of Roughages On Their Degradation Characteristics In The Rumen And Their Relationship With The < In Vitro > Organic Matter Digestibility, S Lopez, Dolores Carro, J S. Gonzales, Conchita Carpintero
IGC Proceedings (1977-2023)
The microbial fermentation of feeds in the reticulo-rumen allows ruminants the utilization of feeds with amounts of cell wall components, i.e. roughages. This rumen fermentation can be affected by the feed chemical composition and numerous techniques have been developed for its determination (Van Soest, 1982). The objective of the present work is to investigate the effect of the chemical composition of forages preserved under different methods on their degradation characteristics in the rumen determined by the « in sacco » method and to study the relationships between the « in vitro» organic matter digestibility (IVOMD) and the rumen degradability.
Rumen Degradation Of Various Grass Species At Different Stages Of Growth,
2025
University College of North Wales
Rumen Degradation Of Various Grass Species At Different Stages Of Growth, L J. Halliday
IGC Proceedings (1977-2023)
The species and cultivars sown depends on the farming system practiced. These developing swards are however, always invaded by native species including Agrostis, Paa and Festuca spp. which are generally referred to as 'weed' grasses. While the merits of Lolium spp. are well documented (Minson et al. 1960; Norton, 1982) information on the weed grasses is limited (Haggar, 1976). The potential for milk and meat production is dependent on the supply of utilizable nutrients to the animal's tissues which in turn is largely governed by the ability of rumen microbes to degrade plant cell walls. Although the degradability of dry …
Apparent Digestibility, Dynamics Of Rumen Fermentation And Sites Of Digestion Of Hays Of Leucaena Leucocephala (Lam) De Wit Cv. Peru, N M. Rodreiguez, I Borges
IGC Proceedings (1977-2023)
Protein deficiency, among others, is a common problem for livestock production in tropical regions. The use oflegumes has been suggested as a solution and Leucaena leucocephala has shown a great potential due to its capacity of nitrogen (N) fixation and dry matter (DM) production (NAS, 1984). However, very little is known about its nutritive value regarding its protein-energy balance and the process of digestion. The present work aimed the evaluation of the nutritive value of hays of Leucaena leucocephala cut at two stages of growth, through trials of apparent digestibility, dynamics of rumen fermentation and partition of digestion.
In Situ Degradation Of Cell Wall Neutral Sugars Of Normal And Brown Midrib Sorghum X Sudangrass Hybrids,
2025
University of Illinois
In Situ Degradation Of Cell Wall Neutral Sugars Of Normal And Brown Midrib Sorghum X Sudangrass Hybrids, K J. Moore, J O. Fritz, E H. Jaster
IGC Proceedings (1977-2023)
The nutritive value of forage for ruminants is limited by the digestibility of the complex polysaccharides cellulose and hemicellulose by rumen microbes. In grasses, the polysaccharide fraction of the cell wall is composed largely of polymers of neutral sugars and to a lesser extent uronic acids. Cellulose is a high molecular weight linear polymer of B-1 ➔ 4) linked Dgluco-pyranose units. Hemicellulose is a complex mixture of linear and branched-chain heteropolymers containing xylose, arabmose, mannose, galactose, glucose, and uronic acids (Van Soest, 1982). Lignification of the cell wall is a primary factor limiting the digestion of cell wall polysaccharides. Close …
Feed Evaluation Using Mobile Dacron Bags And Influences Of The Diet Composition,
2025
Oklahoma State University
Feed Evaluation Using Mobile Dacron Bags And Influences Of The Diet Composition, H Anzola, F N. Owens
IGC Proceedings (1977-2023)
The Mobile Nylon Bag (MNB) technique has been used successfully in protein nutrition studies with swine (Sauer et al., 1983) to determine amino acid availability from protein in specific feedstuffs. Canadian researchers also have tested this technique to predict site of digestion in ruminants (Kirkpatrick and Kennelly, 1987). Differences in small intestinal digestion may explain why animal responses differ to dietary protein sources which have similar ruminal escape values (Owens, 1986). The MNB holds promise to appraise the intestinal availability of undegraded dietary protein though further developmel).t and testing are needed. The objective of this experiment was to examine the …
Prediction Of Digestibility And Protein From Growing Degree-Days For Crested And Western Wheatgrass,
2025
USDA, Agricultural Research Service
Prediction Of Digestibility And Protein From Growing Degree-Days For Crested And Western Wheatgrass, A` B. Franck, J F. Karn
IGC Proceedings (1977-2023)
Morphological development of crops, including cool-season forage grasses, is mainly a function of air temperature. Morphological development of plants has been predicted from thermal units expressed as growing degree-days (GDD) (Franck, 1985 ; Wang, 1960). The use of thermal units also provides a predictive measure for managing forages based on growth stages rather than dates. However, forage digestibility ��nd crude protein (CP) content generally decrease as morphological development and time increase (Kamstra, 1973 ; Kilcher and Troelsen, 1973). The relationship between thermal units and forage digestibility and CP has not been defined for crested and western wheatgrasses. The primary purpose …
Forage Quality Of Coast Cross 1 Bermudagrass On Intestinal Digestion Of Dietary Amino Acids,
2025
lnstituto de Ciencia Animal
Forage Quality Of Coast Cross 1 Bermudagrass On Intestinal Digestion Of Dietary Amino Acids, G Coto, Hanna Meier, Patrica Malgarez
IGC Proceedings (1977-2023)
The aim of this work was to study the digestibility of dietary amino acids found in the fibrous material, considering the quality of the forage offered as the sole feeding source.
Sites Of Digestion Of Nitrogen Of Hays Made With The Tropical Legume Neonotonia Wightii,
2025
CIAT
Sites Of Digestion Of Nitrogen Of Hays Made With The Tropical Legume Neonotonia Wightii, R R. Vera, E A. Pizarro, A Toscano, N M. Rodriguez
IGC Proceedings (1977-2023)
Tropical pasture species are of well-known lower quality than temperate species and there is evidence that some tropical legumes may contain antiquality factors that reduce further their nutritive value. Nonetheless, the nutritive value of Neonotonia wightii is generally moderate to high (Pizarro et al., 1983 ; Ribeiro et al., 1980), although there is little information on the factors that affect its quality, and none on the rate and sites of digestion within the gastrointestinal tract of ruminants. The aim of the work reported here was to examine the effect of age on the chemical composition, apparent digestibility and sites of …
Kinetic Study Of The Rumen Microbial Degradation Of Lucerne And Italian Ryegrass Observed By Scanning Electron Microscopy, E Grenet, J Jamot
IGC Proceedings (1977-2023)
For the same digestibility cell wall contents of legumes and grasses differ ; their histological structure is not the same and this may account for the differences in rumen degradation. We studied by scanning electron microscopy (SEM) the histological structure of these plants with regard to stages of maturity, and their kinetic degradation in the rumen.
Fermentation Characteristics Of Temperate Forage Stems Digested In Vitro,
2025
USDA, Agricultural Research Service
Fermentation Characteristics Of Temperate Forage Stems Digested In Vitro, D R. Buxton
IGC Proceedings (1977-2023)
Digestion of herbage by ruminants is limited primarily by concentration of neutral-detergent fiber (NDF) in herbage and degradability of this cell-wall material. Because mature stems usually contain more NDF than immature stems or leaves the proportion of stems approaching maturity is normally' the dominant morphological factor that determines digestibility of herbage (Buxton and Hornstein, 1986). On the basis of digestibility, NDF can be divided into two fractions: potentially digestible NDF (PDNDF) and indigestible NDF (IDNDF; Mertens and Ely, 1982), which is not digested regardless of length of fermentation. Digestion of NDF can be characterized by a two-stage process involving a …
Nitrogen And Organic Matter Disappearance In The Digestive Tract Of Sheep Grazing Three Winter Foggages,
2025
University of Pretoria
Nitrogen And Organic Matter Disappearance In The Digestive Tract Of Sheep Grazing Three Winter Foggages, W A. Van Niekerk, H H. Meissner, E B. Spreeth, I S. Conradie
IGC Proceedings (1977-2023)
Animal production in the tropics and subtropics is limited by poor intake. This results because of high cell wall content and poor digestibility of tropical forages (Minson & McLeod, 1970). During the dormant (winter) season these negative effects were exaggerated. Also, N declines resulting in a further reduction in intake. The questions addressed here were whether winter foggage of improved subtropical pastures could be beneficial and secondly, how three species adapted to the drier areas of South Africa, compare in this regard.
