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Articles 586351 - 586380 of 5209470
Full-Text Articles in Entire DC Network
The Effect Of Closing Date And Type Of Utilisation In Autumn On Grass Yield In Spring, E. Mosimann, M. Lobsiger, C. Hofer, B. Jeangros, A. Lüscher
The Effect Of Closing Date And Type Of Utilisation In Autumn On Grass Yield In Spring, E. Mosimann, M. Lobsiger, C. Hofer, B. Jeangros, A. Lüscher
IGC Proceedings (1977-2023)
Due to the low cost of grazed grass, most dairy farmers extend the grazing period in autumn. However, delaying the closing date may reduce the grass yield in the following spring (Roche et al., 1996; O’Donovan et al., 2002). The objective of this experiment, conducted in the Swiss lowlands, was to quantify the effects of closing date and type of utilisation in autumn on grass yield in the following spring.
Field Testing Of A Turnip Growing Protocol On New Zealand Dairy Farms, J. P. J. Eerens, P. M. S. Lane
Field Testing Of A Turnip Growing Protocol On New Zealand Dairy Farms, J. P. J. Eerens, P. M. S. Lane
IGC Proceedings (1977-2023)
Summer droughts are a regular occurrence in central North Island districts of New Zealand, which causes pastures to wilt, lose their nutritive value and stop growing. The resulting summer feed gap depresses farm productivity (Clark et al., 1996). Turnips optimally sown mid-late October (more often sown in November or even December) are grown to fill this feed gap. Recorded average yields of 7.4 t dry matter (DM)/ha are below the economic breakeven point of 8-10 t DM/ha (Clark et al., 1996). A turnip growing protocol was developed from published data (Eerens & Lane 2004) and tested on commercial …
Effect Of Different Phosphorous Sources And Levels On The Productive Behaviour Of A Lotus Pedunculatus Cv. Grasslands Maku Oversown Pasture, R. E. Bermúdez, W. Ayala
Effect Of Different Phosphorous Sources And Levels On The Productive Behaviour Of A Lotus Pedunculatus Cv. Grasslands Maku Oversown Pasture, R. E. Bermúdez, W. Ayala
IGC Proceedings (1977-2023)
The organic meat production protocol of Uruguay (INAC, 2003) requires that the animals graze pastures that receive no chemical fertilisers. The oversown legume pastures in Uruguay used to be fertilised with soluble phosphorous (P) sources that are not accepted by the protocol. The relative efficiency of different P sources would be useful data for farmers. This information is not available for the acid soils of the eastern region of Uruguay. Lotus pedunculatus cv. Grasslands Maku is one of the most adapted legumes to be included in this type of pasture, as the sown area has increased in the last few …
Labour Input Associated With Grassland Management On Irish Dairy Farms, B. O'Brien, K. O'Donovan, J. Kinsella, D. Ruane, D. Gleeson
Labour Input Associated With Grassland Management On Irish Dairy Farms, B. O'Brien, K. O'Donovan, J. Kinsella, D. Ruane, D. Gleeson
IGC Proceedings (1977-2023)
The issues of labour and work organisation (working hours, working conditions) must be seriously addressed on Irish dairy farms if dairy farming is to have a viable future. The objective of this study was to quantify the annual labour input per cow on Irish dairy farms, with a specific focus on the task of grassland management, and to establish monthly patterns of labour utilisation over a two-year period for a range of herd sizes.
Factors Affecting Italian Ryegrass (Lolium Multiflorum L.) Seed Distribution, R. D. Williams, P. W. Bartholomew
Factors Affecting Italian Ryegrass (Lolium Multiflorum L.) Seed Distribution, R. D. Williams, P. W. Bartholomew
IGC Proceedings (1977-2023)
Italian ryegrass (Lolium multiflorum L.) can be a productive and high-quality cool-season forage in the Southern Great Plains of the U.S.A, if it is managed to produce sufficient seed for effective reestablishment without compromising forage yield. Before the re-seeding dynamics of Italian ryegrass can be modeled an understanding of seed production, seed-shed, and seed dispersal is necessary. Here two factors affecting Italian ryegrass seed dispersal and distribution are examined – wind and cultivation practice (mowing and raking).
Practical Application Of A One-Parameter Approach To Assess The Accuracy Of Two Different Estimates Of Diet Composition In Sheep, C. Elwert, M. Rodehutscord
Practical Application Of A One-Parameter Approach To Assess The Accuracy Of Two Different Estimates Of Diet Composition In Sheep, C. Elwert, M. Rodehutscord
IGC Proceedings (1977-2023)
The composition of ingested herbage mixtures can be estimated using the alkane technique (Dove & Moore, 1995). Until now, the accuracy of the estimates is assessed by linear regression of estimated and actual proportions of the dietary components. The authors presented an approach to compare actual and estimated diet compositions using only one parameter named Distance (D; Elwert & Rodehutscord, 2005), thus enabling a statement regarding the similarity of estimated and known diet composition. In a feeding trial with sheep, diet composition was estimated using two different levels of information. The accuracy of the two estimates was assessed and compared …
Use Of Alkanes To Estimate Dry Matter Intake Of Beef Steers Grazing High Quality Pastures, G. Scaglia, H. T. Boland, I. Lopez-Guerrero, R. K. Shanklin, J. P. Fontenot
Use Of Alkanes To Estimate Dry Matter Intake Of Beef Steers Grazing High Quality Pastures, G. Scaglia, H. T. Boland, I. Lopez-Guerrero, R. K. Shanklin, J. P. Fontenot
IGC Proceedings (1977-2023)
Pastures remain the most important source of nutrients for ruminant livestock and nutrition is critical to optimize animal production. The daily quantity of dry matter that is consumed by an animal is a critical measurement to make nutritional inferences about feed and subsequent animal response. Researchers are facing the dilemma that, while estimates of individual animal performance are readily obtained, it is still difficult to estimate the herbage intake of individual animals. The objectives of this experiment were to estimate forage intake in beef steers grazing tall fescue (Festuca arundinacea Schreb.) and alfalfa (Medicago sativa)/tall fescue pastures …
Effects Of Rumen Fill On Intake And Milk Production In Dairy Cows Fed Perennial Ryegrass, A. V. Chaves, A. Boudon
Effects Of Rumen Fill On Intake And Milk Production In Dairy Cows Fed Perennial Ryegrass, A. V. Chaves, A. Boudon
IGC Proceedings (1977-2023)
Physical limitation often limits dry matter intake (DMI) of high producing cows or cows fed high forage diets. The extent to which DMI is regulated by distention in the rumen depends upon the cow’s energy requirement and filling effects of the diet offered (Allen, 2000). The objective here was to challenge middle lactation dairy cows with rumen fill (rumen inert bulk – RIB) feeding ryegrass fresh cut (indoors) or grazed to determine whether RIB affects intake and milk production.
Symposium: The Future Of Reproductive Rights: An Embryo Is Not A Person: Rejecting Prenatal Personhood For A More Complex View Of Prenatal Life, Cynthia Soohoo
Symposium: The Future Of Reproductive Rights: An Embryo Is Not A Person: Rejecting Prenatal Personhood For A More Complex View Of Prenatal Life, Cynthia Soohoo
ConLawNOW
This essay considers current claims for prenatal personhood after the U.S. Supreme Court’s decision in Dobbs v. Jackson Women’s Health Organization. It first explains how the Dobbs decision unnecessarily adopts a binary view of prenatal life, suggesting that the only option for courts and legislatures is to recognize prenatal personhood or deny protection for prenatal life. This ignores popular understandings that certain laws can and should protect prenatal life, especially where criminal or tortious actions are concerned, but not grant full legal personhood. The Dobbs decision also refused to draw meaningful lines about the value of prenatal life in …
Folder 18: Sermons - Lord's Day 1-3 [Transcription], Undated, Van Raalte Collection
Folder 18: Sermons - Lord's Day 1-3 [Transcription], Undated, Van Raalte Collection
Box 07 - Lords-Day-Sermons (COLL300)
No abstract provided.
Detection And Capture Of Nitrogen Fixing Bacteria From Soil And Roots Using Plant Specific Lectins, Alana Horton
Detection And Capture Of Nitrogen Fixing Bacteria From Soil And Roots Using Plant Specific Lectins, Alana Horton
Natural Sciences and Mathematics | Biological Sciences Master's Theses
Diazotrophs increase plant productivity by providing ammonia directly to plants in the rhizosphere or through association with the roots (Sun et al., 2021). Leveraging diazotrophs can aid in the reduction or application of harmful synthetic nitrogen fertilizers. This thesis aims to use plant root proteins, or lectins, to more rapidly recover viable diazotrophs that are likely to associate with crops. In this study, lectins, are used to recover bacteria from bulk soil by taking advantage of the binding relationship between lectins and bacterial cell surface polysaccharides. When commercially-available lectins were used with a magnetic pulldown to separate the lectin, bacterial …
Iterated Jump Graphs, Fran Herr, Legrand Jones Ii
Iterated Jump Graphs, Fran Herr, Legrand Jones Ii
Rose-Hulman Undergraduate Mathematics Journal
The jump graph J(G) of a simple graph G has vertices which represent edges in G where two vertices in J(G) are adjacent if and only if the corresponding edges in G do not share an endpoint. In this paper, we examine sequences of graphs generated by iterating the jump graph operation and characterize the behavior of this sequence for all initial graphs. We build on work by Chartrand et al. who showed that a handful of jump graph sequences terminate and two sequences converge. We extend these results by showing that there are no non-trivial repeating sequences of jump …
Folder 17: Undated English Sermons, Van Raalte Collection
Folder 17: Undated English Sermons, Van Raalte Collection
Box 07 - Sermons (COLL300)
No abstract provided.
Folder 16: Undated Sermons: No Texts Indicated, Fragments [Transcription], Van Raalte Collection
Folder 16: Undated Sermons: No Texts Indicated, Fragments [Transcription], Van Raalte Collection
Box 07 - Sermons (COLL300)
No abstract provided.
Folder 15: Undated Sermons On Nt: General Epistles (James, Peter, John, Jude And Revelation) [Transcription], Van Raalte Collection
Folder 15: Undated Sermons On Nt: General Epistles (James, Peter, John, Jude And Revelation) [Transcription], Van Raalte Collection
Box 07 - Sermons (COLL300)
No abstract provided.
Folder 14: Undated Sermons On Nt: Paul's Epistles And Hebrews [Transcription], Van Raalte Collection
Folder 14: Undated Sermons On Nt: Paul's Epistles And Hebrews [Transcription], Van Raalte Collection
Box 07 - Sermons (COLL300)
No abstract provided.
Folder 13: Undated Sermons On Nt: The Gospels And Acts [Transcription], Van Raalte Collection
Folder 13: Undated Sermons On Nt: The Gospels And Acts [Transcription], Van Raalte Collection
Box 07 - Sermons (COLL300)
No abstract provided.
Folder 12: Undated Sermon: Psalm 134, Van Raalte Collection
Folder 12: Undated Sermon: Psalm 134, Van Raalte Collection
Box 07 - Sermons (COLL300)
No abstract provided.
Folder 11: Undated Sermons On Ot: Major And Minor Prophet, Van Raalte Collection
Folder 11: Undated Sermons On Ot: Major And Minor Prophet, Van Raalte Collection
Box 07 - Sermons (COLL300)
No abstract provided.
Folder 10: Undated Sermons On Ot: Psalms [Photocopy], Van Raalte Collection
Folder 10: Undated Sermons On Ot: Psalms [Photocopy], Van Raalte Collection
Box 07 - Sermons (COLL300)
No abstract provided.
Folder 09: Undated Sermons On Ot: Proverbs, Ecclesiastes, Song Of Songs, Van Raalte Collection
Folder 09: Undated Sermons On Ot: Proverbs, Ecclesiastes, Song Of Songs, Van Raalte Collection
Box 07 - Sermons (COLL300)
No abstract provided.
Folder 08: Undated Sermons On Ot: Ruth, 1, 2 Samuel, 1, 2 Kings, 1 Chronicles, Van Raalte Collection
Folder 08: Undated Sermons On Ot: Ruth, 1, 2 Samuel, 1, 2 Kings, 1 Chronicles, Van Raalte Collection
Box 07 - Sermons (COLL300)
No abstract provided.
Folder 07: Undated Sermons On Ot: Pentateuch [Transcription], Van Raalte Collection
Folder 07: Undated Sermons On Ot: Pentateuch [Transcription], Van Raalte Collection
Box 07 - Sermons (COLL300)
No abstract provided.
Folder 06: Sermon On Infant Baptism, In English, 1874, Van Raalte Collection
Folder 06: Sermon On Infant Baptism, In English, 1874, Van Raalte Collection
Box 07 - Sermons (COLL300)
No abstract provided.
Folder 04: Sermons, 1872-1873, Van Raalte Collection
Folder 04: Sermons, 1872-1873, Van Raalte Collection
Box 07 - Sermons (COLL300)
No abstract provided.
Folder 05: Sermons [Transcription], 1874-1875, Van Raalte Collection
Folder 05: Sermons [Transcription], 1874-1875, Van Raalte Collection
Box 07 - Sermons (COLL300)
No abstract provided.
Folder 03: Sermons For The Krapshuis Funeral [Photocopy, Transcription], January 1871, Van Raalte Collection
Folder 03: Sermons For The Krapshuis Funeral [Photocopy, Transcription], January 1871, Van Raalte Collection
Box 07 - Sermons (COLL300)
No abstract provided.
Folder 01: Sermons, 1868-1869, Van Raalte Collection
Folder 01: Sermons, 1868-1869, Van Raalte Collection
Box 07 - Sermons (COLL300)
No abstract provided.
Folder 02: Sermons, 1870-1871, Van Raalte Collection
Folder 02: Sermons, 1870-1871, Van Raalte Collection
Box 07 - Sermons (COLL300)
No abstract provided.
Folder 10: Sermons [Transcription], 1866, Van Raalte Collection
Folder 10: Sermons [Transcription], 1866, Van Raalte Collection
Box 06 - Sermons (COLL300)
No abstract provided.