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Beef Production In Guineagrass Pastures With Nitrogen Or Legumes, V Favoretto, L.R. De A. Rodrigues, A G. Chiarello, A.A M. Sampaio, P F. Vieira, E B. Malheiros Jun 2025

Beef Production In Guineagrass Pastures With Nitrogen Or Legumes, V Favoretto, L.R. De A. Rodrigues, A G. Chiarello, A.A M. Sampaio, P F. Vieira, E B. Malheiros

IGC Proceedings (1977-2023)

Beef production in Brazil is based on the high dry-matter production of tropical grasses, but yields are not always satis­factory. Nitrogen fertilization results in linear increases of dry­matter production (Gomide et al., 1984) and also in the live­weight-gain (LWG) of the animals (Addison et al., 1985). How­ever, due to the high cost of fertilizers, the utilization of grass pastures associated to herbaceous or shrub legumes may be an economic way to increase animal production. The aim of this work was to study the availability of dry-matter and the L WG of steers in Guineagrass (Panicum maximum Jacq.) pastures fertilized with …

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Performance Of Three Beef Cow Genotypes When Grazing Sown Pasture At Two Sward Heights, I A. Wright, J R. Jones, T J. Maxwell, A.J F. Russel Jun 2025

Performance Of Three Beef Cow Genotypes When Grazing Sown Pasture At Two Sward Heights, I A. Wright, J R. Jones, T J. Maxwell, A.J F. Russel

IGC Proceedings (1977-2023)

In grassland based systems of animal production, it is important to choose a genotype of animal with production characteristics appropriate to the level of nutrition which can be supplied by the available resources. It is generally recognised that the most economically efficient beef cow systems are those that allow the cows to increase levels of body fat when feed is plentiful or cheap (eg. summer grazing in N. Europe) and to draw on those reserves during periods of feed scarcity or when feed is expensive (eg. winter) (Russel and Broadbent, 1985). The ability of cows to increase body reserves during …

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Effect Of Acremonium Coenophialum Infected Festuca Arundinacea On Cow-Calf Production, J C. Waller, J B. Mclaren, H A. Fribourg, A B. Chestnut, D G. Keltner Jun 2025

Effect Of Acremonium Coenophialum Infected Festuca Arundinacea On Cow-Calf Production, J C. Waller, J B. Mclaren, H A. Fribourg, A B. Chestnut, D G. Keltner

IGC Proceedings (1977-2023)

Tall fescue (Festuca arundinacea Schreb.) is the predominant forage available to beef cattle producers in the transition zone of the eastern US. The presence of the endophytic fungus Acremonium coenophialum Morgan-Jone & Garns has been associated with reduced animal performance that results in substantial economic loss to producers (Bacon and Siegel, 1988; Bush and Burrus, 1988; Stuedemann and Hoveland, 1988). Cattle producers have used N fertilization to increase productivity of fescue pastures. Renovation of fescue pastures with legumes has been a method of improving pasture quality and the performance of animals grazing those pasture (McLaren et al., 1983).

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Soil Fertility And Beef Production In The Semi-Arid Sub-Tropics, P C. Kerridge, R W. Mclean Jun 2025

Soil Fertility And Beef Production In The Semi-Arid Sub-Tropics, P C. Kerridge, R W. Mclean

IGC Proceedings (1977-2023)

Two-thirds of the grazing lands in Queensland are on infer­tile soils, low in organic matter, phosphorus (P) and nitrogen (N) (Weston et al., 1981). Pasture quality is low and average liveweight gain (L WG) of steers on these soils ranges from 0.10 to 0.30 kg/day compared to 0.40 to 0.50 kg/day on more fertile soils. Low herbage production limits carrying capacity to 3-10 ha/animal. The nutritive value can be improved by (i) direct supplementation of animals with N and P, (ii) introduction of a legume together with fertilizer and/or supplement P or (iii) use of heavily fertilized improved grasses ± …

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Animal Perforamnce On Dwarf Elephantgrass And Rhizoma Peanut Pastures, L E. Sollenberger, C S. Jones Jr, G M. Prine Jun 2025

Animal Perforamnce On Dwarf Elephantgrass And Rhizoma Peanut Pastures, L E. Sollenberger, C S. Jones Jr, G M. Prine

IGC Proceedings (1977-2023)

Pasture systems in the southeastern U.S. are based on peren­nial warm-season grasses, but forage quality of these species is often low during mid-summer through early fall. Two peren­nial forages that were recently released in Florida, 'Mott' dwarf elephantgrass (Pennisetum purpureum Schum. ; Sollenberger et al., 1988b) and the legume 'Florigraze' rhizoma peanut (Arachis glabrata Benth. ; Prine et al., 1981), have potential to provide herbage of high quality during May through October. Grazing trials were conducted to determine steer ( Bos spp.) average daily gain (ADG), carrying capacity (CC), and gain ha-1 on Mott and Flozigraze, and to compare these …

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Influence Of Forage Availability On Growth And Reproduction Of Brahman-Hereford (F-1) Females Grazing Humid Pastures And Semi-Arid Rangelands, J W. Holloway, F M. Rouquette Jr, C R. Long, M K. Owens, B G. Warrington, A D. Chamrad, J F. Baker, D W. Forrest Jun 2025

Influence Of Forage Availability On Growth And Reproduction Of Brahman-Hereford (F-1) Females Grazing Humid Pastures And Semi-Arid Rangelands, J W. Holloway, F M. Rouquette Jr, C R. Long, M K. Owens, B G. Warrington, A D. Chamrad, J F. Baker, D W. Forrest

IGC Proceedings (1977-2023)

Relationship of forage availability, animal growth, and reproduction have been studied in both humid "improved" pastures (Adje et al., 1980; Guerrero et al., 1984; Bransby et al., 1988) and semi-arid "native" rangelands (Hart, 1972, 1978) but no study has been reported in which the two ecosystems hav�� b��en compared in terms of these relationships. Forage ava1lab1hty 1s one of the primary variables that can be easily controlled by cattle producers and thus the relationship to per­formance and reproduction is of fundamental importance. The purpose of this experiment was to determine if the patterns of relationship between forage availability and animal …

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Forage Management System For Lean Beef Production: Nitrogen Rate On Pasture And Roughage Level In Feedlot, F M. Rouquette Jr, L R. Nelson, D P. Hutcheson Jun 2025

Forage Management System For Lean Beef Production: Nitrogen Rate On Pasture And Roughage Level In Feedlot, F M. Rouquette Jr, L R. Nelson, D P. Hutcheson

IGC Proceedings (1977-2023)

Fertilizer rates have long been shown to increase forage dry matter production and growth promoting implants have been shown to increase live weight gains during either the stocker or feeder phase. There has been little evidence, however, to ascer­tain the influence of pasture-animal management systems on subsequent feedlot performance. The primary objectives of this study were to: (1) determine the influence of rate of fertilizer nitrogen and Zeranol implant on gain per animal and gain per acre ; and (2) determine the influence of previous pasture treat­ment on feedlot performance from two levels of roughage.

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Long-Term Productivity Of Legumes-Based And Pure Grass Pastures In The Eastern Plains Of Colombia, C Lascano, J Estrada Jun 2025

Long-Term Productivity Of Legumes-Based And Pure Grass Pastures In The Eastern Plains Of Colombia, C Lascano, J Estrada

IGC Proceedings (1977-2023)

The savannas of Colombia have acid soils of low fertility, a well defined dry season and an herbaceous native vegetation of low nutritional value (Lascano and Spain, 1986). As a conse­quence, traditional livestock production is extensive and of low productivity in terms of animal growth and reproduction (Vera and Sere, 1985). An economically attractive alternative to increase cattle production in the savannas of Colombia is through the use of legume-based pastures, provided they are productive and persistent (Nores and Estrada, 1979). This paper presents results on animal production and forage attnbutes of a long-term grazing experiment which includes a grass …

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Animal Production Of Pastures Based On Centrosema Spp. In The Eastern Plains Of Colombia, C Lascano, J Estrada, P Avila Jun 2025

Animal Production Of Pastures Based On Centrosema Spp. In The Eastern Plains Of Colombia, C Lascano, J Estrada, P Avila

IGC Proceedings (1977-2023)

Lack of adaptation of commercial grass and legume cultivars to biotic and edaphic constraints prevailing in tropical American savannas has been partially responsible for failures in the development of improved pastures in these areas (Toledo, 1985). As a result, the Tropical Pastures Program of CIAT has taken responsibility to collect and select forage germplasm with adaptation to acid soils of low natural fertility. Within the Centrosema genus promising acid soil tolerant species have been identified, such as C. macrocarpum (Schultze­Kraft et al., 1985), C. acutifolium (Schultze-Kraft et al., 1987) and C. brasiliarum (Schultze-Kraft and Benavides, 1988). A grazing experiment was …

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Removing Limitations To Cattle Production In The Semi-Arid Tropics, W H. Winter Jun 2025

Removing Limitations To Cattle Production In The Semi-Arid Tropics, W H. Winter

IGC Proceedings (1977-2023)

Cattle production on tropical tallgrass pastures of north­west Australia is limited by the poor quality of the forage. Sodium levels are inadequate throughout the year and N, P and S concentrations are below critical values for good animal growth after the first 4-6 weeks of the wet season. Thus, stock­ing rates and liveweight gains are low ( < 50 kg/annum) despite 18-26 weeks of pasture growth (McCown, 1982).This paper reports the results of 3 experiments which use different options to improve cattle production in this region.

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Aspects Of Reseeding Old Permanent Pasture, N Culleton Jun 2025

Aspects Of Reseeding Old Permanent Pasture, N Culleton

IGC Proceedings (1977-2023)

Grassland occupies some 89 % of the arable land in Ireland (anon., 1984) and of this approximately only 3 % is reseeded annually. Many permanent pastures have poor botanical com­position. Frame and Tiley (1988) pointed out that quantity and quality of secondary grass species are inferior to Lolium perenne. Nonetheless, there is evidence that permanent pastures have high animal production potential and that the large responses to reseeding in the first harvest year are rapidly lost (Wilkins et al., 1987). This paper compares new and old pastures under grazing and silage regimes.

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The Use Of Improved Pastures By Grazing Dairy Cows For Economic Milk Production In Thailand, C Lekchom, K Witayanuparpyunyong, P Sukpituksakul, B R. Watkin Jun 2025

The Use Of Improved Pastures By Grazing Dairy Cows For Economic Milk Production In Thailand, C Lekchom, K Witayanuparpyunyong, P Sukpituksakul, B R. Watkin

IGC Proceedings (1977-2023)

Dairy farming is a relatively new agricultural industry in Thailand and has shown a rapid and dramatic development over the past decade. During this period dairy cattle numbers have trebled (from approx. 20,000 to 60,000) and the number of dairy farmers has quadrupled (approx. 2,000 to 8,000). With the present positive support from the Government this explos­ive development is likely to continue. While the price of milk paid to the farmers over this period had been good there has, nevertheless, been a substantial increase in the variable on-farm costs of production which is squeezing the farmer profit margin significantly and …

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Some Factors Affecting Herbage Intake Of High Yielding Dairy Cows At Grazing, J L. Peyraud, E A. Comeron, M H. Wade Jun 2025

Some Factors Affecting Herbage Intake Of High Yielding Dairy Cows At Grazing, J L. Peyraud, E A. Comeron, M H. Wade

IGC Proceedings (1977-2023)

A program of research has been started at INRA Rennes which has the objective of optimising herbage utilisation and the supplementation at grazing of high yielding dairy cows through the study of the plant-animal interface. This will be achieved by quantifying the animal and plant factors which affect herbage intake in the field. The results presented here were obtained in a trial carried out in spring 1988 to study the effects of level of milk production, herbage allowance and system of grazing (strip grazing and paddock) upon herbage intake. These data are complemented by a study of the dynamics of …

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Contribution Of The Study Of Tropical Pasture Management For Intensive Milk Production, Irma Jerez, M Menchaca, H Jordan, T R. Garcia, Lidia Gonzalez, M Sosa, E De La Rosa, J L. Rivero Jun 2025

Contribution Of The Study Of Tropical Pasture Management For Intensive Milk Production, Irma Jerez, M Menchaca, H Jordan, T R. Garcia, Lidia Gonzalez, M Sosa, E De La Rosa, J L. Rivero

IGC Proceedings (1977-2023)

Milk production in Cuba has been increased and this was possible by the increasing introduction of the Holstein breed and its crosses with Zebu. At the same time, this augmented the need for developing a feeding base satisfying the increasing demand of nutrients. A series of experiments to evaluate new pasture species, intensive pasture management and concentrate supplemen­tation to increase animal productivity per unit area was carried out.

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Integrating Forage Maize With Pasture Legumes For Efficient Dairy Production In South Eastern Australia, K E. Pritchard, W K. Mason, C R. Stockdale, J B. Moran Jun 2025

Integrating Forage Maize With Pasture Legumes For Efficient Dairy Production In South Eastern Australia, K E. Pritchard, W K. Mason, C R. Stockdale, J B. Moran

IGC Proceedings (1977-2023)

In south eastern Australia, the mild climate permits year­round grazing for 1.5 million dairy cows which results in a low production cost for milk. More than 1 million hectares of annual and perennial pastures are irrigated to supplement rain­fall of 300-500 mm/ annum, for dairy, beef and sheep pro­duction. Animal production from the present system of grazing pasture is limited by the inefficient conversion of solar radiation achieved by temperate pasture species ; seasonal variation in quantity and quality of pasture forage ; by poor utilization of pasture ; and by the low quality of grass-dominant pasture. The Kyabram Research …

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New Grazing Animal Production System In Japan, H Kobayashi, K Ochiai, S Shioya, Y Togamura, T Ami, N Harashima, K Sato, M Nashiki Jun 2025

New Grazing Animal Production System In Japan, H Kobayashi, K Ochiai, S Shioya, Y Togamura, T Ami, N Harashima, K Sato, M Nashiki

IGC Proceedings (1977-2023)

The amount of animal production from pasture by conven­tional grazing system in Japan stays at low level as 300 kg body weight gain of steers per hectare in one grazing period. This is supposedly caused by the following problems concerning graz­ing in Japan ; cold or hot temperature, rainy season, steep slope pasture, low fertilizer application, sharp seasonal fluctuation of grass production (spring flush, summer depression), faulty warm-up grazing, lots of blood-sucking insects and diseases (piroplasmosis, pneumonia etc.). Settling these problems, we have developed a new short rot­ational grazing system to get three times animal production (1,000 kg body weight …

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Determination Of The Number Of Paddocks Necessary For The Rotation Of Grazing Dairy Cows, A Senra, J Ugarte, M A. Menchaca, J Galindo Jun 2025

Determination Of The Number Of Paddocks Necessary For The Rotation Of Grazing Dairy Cows, A Senra, J Ugarte, M A. Menchaca, J Galindo

IGC Proceedings (1977-2023)

Great importance in the grassland management has been given to the paddock system, since it allows animal rotation. However, fencing costs must be minimal without affecting ani­mal or pasture performance. Thus, it is necessary to obtain results that can be applied to a wider range of grasslands, tak­ing into consideration that each pasture could show a different performance. The objective of this study was aimed to deter­mine the minimum number of paddocks necessary for grazing dairy cows with pastures of greater and lesser aggressiveness.

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Production And Utilization Of High-Quality Cold-Hardy Forages, D W. Koch, C Kercher, D Agee, R Jones Jun 2025

Production And Utilization Of High-Quality Cold-Hardy Forages, D W. Koch, C Kercher, D Agee, R Jones

IGC Proceedings (1977-2023)

Grazing is generally the least expensive method of forage utilization ; however, in temperate climates the growing season is relatively short and perennial forages are at peak nutritive value for a relatively short time. Brassica spp. have several characteristics which make them prime candidates for extending the grazing season : (1) they mature rapidly (Guillard and Allinson, 1984); (2) they are frost tolerant and maintain high nutrient value well during cold weather (Jung et al., 1984); and (3) they can be established with minimum tillage techniques (Jung et al., 1984; Koch et al., 1987). The purpose of this study was …

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Multispecies Grazing Systems In Iowa, Midwestern Usa, W F. Wedin, M A. Sanderson, C Ohlsonn, D G. Morrical Jun 2025

Multispecies Grazing Systems In Iowa, Midwestern Usa, W F. Wedin, M A. Sanderson, C Ohlsonn, D G. Morrical

IGC Proceedings (1977-2023)

Combining species of grazing animals such as cattle and sheep into appropriate grazing systems may help producers to use grazing land resources more efficiently (Heinemann, 1970 ;Van Keuren and Parker, 1967: Winrock, 1985). Earlier pasture research on lands unsuited for row-crop production has shown that renovation to incorporate a pasture legume has been very beneficial (Wedin et al., 1967). Yet, grazing manage­ment has lagged behind legume incorporation and fertilization (Wedin, 1985). Practices used in animal management must be taken into account in new grazing systems. In midwestern USA, producers commonly buy stocker steers in spring to take advantage of ample, …

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Implications Of Grazing Experiments Which Employ Only One Grazing Level Per Treatment, David I. Bransby Jun 2025

Implications Of Grazing Experiments Which Employ Only One Grazing Level Per Treatment, David I. Bransby

IGC Proceedings (1977-2023)

Stocking rate is one of the most powerful driving variables in grazing ecosystems, but its influence on animal production is mediated through effects on pasture sward state, and associated effects on quantity and quality of forage consumed by animals. Consequently, confounding important sward state char­acteristics with treatments in grazing experiments will often mask treatment effects and lead to erroneous conclusions. While this problem has generally been recognized (e.g. Mott and Lucas, 1952; Wheeler et al. 1973 ; Hodgson, 1985), attempts to overcome it appear to be less than satisfactory. The aim of this paper is to discuss methods of stocking …

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A Standard Livestock Unit (Slu) For Defining Stocking Rate In Grazing Studies, D J. Minson, P C. Whiteman Jun 2025

A Standard Livestock Unit (Slu) For Defining Stocking Rate In Grazing Studies, D J. Minson, P C. Whiteman

IGC Proceedings (1977-2023)

The weight of animals and hence their intakes vary between grazing experiments and at different stages of the same study but the results are often presented as though these differences do not affect grazing pressure (Roberts, 1980). Thus we have sheep/ha and cattle/ha, with no indication of the effects that differences in intake and hence grazing pressure might have on the pasture/animal interaction. Pastures are utilized by different classes of stock and there is a need to have a common basis for comparing their productivity. These problems would be over­come by the use of a Standard Livestock Unit (SLU).

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Detecting Spatial Clusters Of Crimean Congo Hemorrhagic Fever In Iraq In 2023, Hanan Abdulghafoor Khaleel, Riyadh Abdulameer Alhilfi, Sabrina Brown Jun 2025

Detecting Spatial Clusters Of Crimean Congo Hemorrhagic Fever In Iraq In 2023, Hanan Abdulghafoor Khaleel, Riyadh Abdulameer Alhilfi, Sabrina Brown

Epidemiology and Environmental Health Faculty Publications

Background: Since the start of the first large outbreak of Crimean Congo Hemorrhagic Fever (CCHF) in Iraq in 2022, there has been no assessment of clustering of cases by district. The aim of this study is to identify clusters of high and low incidences of human CCHF to guide preventive and control measures, and distribute limited resources. Methods: This is a cross-sectional study of reported and confirmed CCHF cases in Iraq from January 1, 2023 to December 11, 2023. We used a retrospective purely spatial Poisson scan statistic model to identify clusters of high and low incidences of CCHF at …

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Wetland Treatment Systems For Municipal Wastewater At A Bourbon Distillery And Potential Value Of Incorporating Stillage For Water Treatment Enhancement, Katherine Ristola, Tiffany Messer, Czarena Crofcheck, Tyler Barzee, Wayne Sanderson Jun 2025

Wetland Treatment Systems For Municipal Wastewater At A Bourbon Distillery And Potential Value Of Incorporating Stillage For Water Treatment Enhancement, Katherine Ristola, Tiffany Messer, Czarena Crofcheck, Tyler Barzee, Wayne Sanderson

Epidemiology and Environmental Health Faculty Publications

The use of constructed treatment wetlands as a secondary treatment method for wastewater effluent from package treatment plants and distillery stillage has the potential to be an innovative, sustainable method for improving water quality. However, the use of constructed wetlands to treat bourbon whole stillage and a distillery bottling facility’s wastewater treatment plant effluent has been limited. Therefore, the objectives of this study were to (1) quantify constructed wetland water quality improvement as a secondary treatment method for a distillery’s municipal wastewater, (2) optimize treatment design to meet wastewater effluent discharge limits, and (3) quantify the potential to enhance constructed …

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Thriving In The Tropics, Hansika K. Herath, D. Nicholas Mcletchie Jun 2025

Thriving In The Tropics, Hansika K. Herath, D. Nicholas Mcletchie

Biology Faculty Publications

Increasing frequency and intensity of global warming pose a profound threat to plant species persistence. Most investigations on plants' resilience to heat events focus on few genotypes of model species. Novel insights into resilience mechanisms will be gained by focusing on natural variation in thermotolerance and its relationship to local-abiotic factors. Additionally, studying species that survived 'ancient periods' of high temperatures provides insight into resilience mechanisms. Within a species, we assessed spatial thermotolerance variation, its association with temperature and light, while testing for thermotolerance sex differences and its relationship with population sex ratios. We used Marchantia inflexa, a species with …

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Exploring The Impact Of Mitoquinone Supplementation On Glycan Profiles In A Repeated Mild Traumatic Brain Injury Mouse Model, Mona Goli, Akeem Sanni, Sakshi Gautam, Khalil Mallah, W. Brad Hubbard, Mohammad Reslan, Muhammad Ali Haidar, Karim Halabi, Joseph Walker, Stefania Mondello, Firas Kobeissy, Yehia Mechref Jun 2025

Exploring The Impact Of Mitoquinone Supplementation On Glycan Profiles In A Repeated Mild Traumatic Brain Injury Mouse Model, Mona Goli, Akeem Sanni, Sakshi Gautam, Khalil Mallah, W. Brad Hubbard, Mohammad Reslan, Muhammad Ali Haidar, Karim Halabi, Joseph Walker, Stefania Mondello, Firas Kobeissy, Yehia Mechref

Physiology Faculty Publications

Traumatic brain injury (TBI) represents a significant cause of injury-related deaths and disabilities. Repeated exposure to mechanical impact can lead to metabolic and ionic imbalance, which can cause oxidative stress and worsen the cellular dysfunction initiated by the initial mild TBI (mTBI). Currently, no FDA-approved drug targets repeated mTBI (rmTBI) and its potential sequelae. Mitoquinone (MitoQ) is a mitochondrion-targeted drug that has proven beneficial in different brain-related diseases. We have previously demonstrated the neurotherapeutic effects of MitoQ at a 30-day chronic time point in a similar rmTBI mouse model, where we observed decreased neuroinflammation, enhanced behavioral outcomes, and diminished oxidation. …

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Male Layer-Type Birds (Lohmann Brown Classic Hybrid) As A Meat Source For Chicken Pâtés, Nikolay Kolev, Desislav Balev, Stefan Dragoev, Teodora Popova, Evgeni Petkov, Krasimir Dimov, Surendranath Suman, Ana Paula Salim, Desislava Vlahova-Vangelova Jun 2025

Male Layer-Type Birds (Lohmann Brown Classic Hybrid) As A Meat Source For Chicken Pâtés, Nikolay Kolev, Desislav Balev, Stefan Dragoev, Teodora Popova, Evgeni Petkov, Krasimir Dimov, Surendranath Suman, Ana Paula Salim, Desislava Vlahova-Vangelova

Animal and Food Sciences Faculty Publications

The valorisation of underutilized male layer-type chickens offers a sustainable and ethically aligned opportunity for the poultry industry. This study evaluated the feasibility of male layer-type chicken meat in the production of chicken pâtés and compared the effects of different meat sources—commercial broiler (CP), and 5 (5wP) and 9-week-old (9wP) male layer-type chickens—on product quality during refrigerated storage using the general linear model with the Tukey–Kramer post-hoc test. Pâtés made from 5wP meat exhibited the most favourable technological properties, including the lowest (p < 0.05) total expressible fluid (TEF), highest (p < 0.05) water retention (TEFWater), and lowest (p < 0.05) fat content (TEFFat) than CP and 9wP indicating superior emulsion stability. The 5wP …

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Development And Evaluation Of A Simple Human Body Link Model Considering The Degrees-Of-Freedom Of Shoulders, Mizuki Takeda, Yuki Saito, Kaiji Sato May 2025

Development And Evaluation Of A Simple Human Body Link Model Considering The Degrees-Of-Freedom Of Shoulders, Mizuki Takeda, Yuki Saito, Kaiji Sato

Progress in Scale Modeling, an International Journal

Modeling of the human body is widely utilized in the field of human–robot interaction, warranting the development of a simple model to measure and recognize the human body movements. To this end, a two-dimensional (2D) human body link model in the sagittal plane has been used to represent the human body with rotating joints and links connecting these joints. The joint positions can be determined by using the coordinates of a limited number of points on the links and estimated using a few sensor outputs when the links are of constant length. However, models with constant link lengths may result …

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Evaluation Of Tree Legumes Species At Different Agroclimatic Zones Of Indonesia, Mas'ud Panjaitan, R Jessop, W W. Stur May 2025

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 …

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Utilization Of Native Mediterranean Fodder Trees By Dairy Goats, M Meuret May 2025

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).

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Phenols As Defensive Compounds In Birch (Betula Spp.) Metabolism Of Platyphylloside In Goats, Rabbits And Hares, R T. Palo, G Iason, P G. Knutsonn May 2025

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 …

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