CONTRIBUTION OF LEAVES AND STEMS TO YIELD AND QUALITY OF RUSSIAN WILD RYEGRASS AND ALTAI WILD RYEGRASS

1975 ◽  
Vol 55 (4) ◽  
pp. 1029-1032 ◽  
Author(s):  
M. R. KILCHER
Keyword(s):  
Organic Matter ◽  
Protein Content ◽  
Crude Protein ◽  
Crude Protein Content ◽  
Plant Yield ◽  
Yield And Quality ◽  
Total Plant ◽  
Organic Matter Digestibility

Russian wild ryegrass (Elymus junceus Fisch.) commenced growth early in May and grew until early July. Altai wild ryegrass (Elymus angustus Trin.) commenced growth about 7 days later and grew until late July. The sparsity of stems in Altai wild ryegrass resulted in leaves contributing from 70 to 80% of total plant yield from June to October. During the same period, leaves of Russian wild ryegrass contributed from 50 to 60% of total plant yield. Leaves of Altai wild ryegrass varied in crude protein content from 21.0 to 5.5% throughout the season compared to 13.5−7.5% for Russian wild ryegrass. Crude protein of stems was similar for the two grasses throughout the season and ranged from 10 to 2%. Organic matter digestibility of the leaves in the two grasses was about 70% in mid-May and about 50% in October. Through July to September, however, the values for Russian wild ryegrass were 5–7% higher than those for Altai wild ryegrass. Digestibility of stems of both grasses was similar and fell to less than 40% from mid-July onward.

scholarly journals Development of yield and nutritive value of timothy in primary growth and regrowth in northern growing conditions

2008 ◽  
Vol 19 (3) ◽  
pp. 252 ◽  
Author(s):  
O. NISSINEN ◽  
P. KALLIAINEN ◽  
L. JAUHIAINEN
Keyword(s):  
Organic Matter ◽  
Protein Content ◽  
Crude Protein ◽  
Dry Matter ◽  
Nutritive Value ◽  
Rapid Decline ◽  
Crude Protein Content ◽  
Percentage Unit ◽  
Primary Growth ◽  
Organic Matter Digestibility

The development of the yield and nutritive value of timothy (Phleum pratense L.) both in the primary growth and in the regrowth were studied at MTT Plant Production Research, a unit of MTT Agrifood Research Finland, in Rovaniemi (66°35´N) in 1999–2001. The dry matter yield and leaf:stem ratio were measured from the crop samples, and the contents of crude protein and organic matter digestibility of both whole plant samples and leaf and stem fractions were analysed. In primary growth, the most rapid increase of dry matter, 220–240 kg ha-1 per day, was measured around the beginning of the heading stage. There was a very strong positive correlation between the proportion of stems and the amount of dry matter in the primary yield. The daily growth rate of the regrowth was less than half of that of the primary growth. The fastest decrease, 1 percentage unit per day, in crude protein content was measured at the pasture stage (4–5-leaf stage). During the entire sampling period, the average daily decline in crude protein content in the primary growth of timothy was 0.65 percentage units. The main cause for the rapid decline in crude protein content was the high proportion of stem matter and its low protein content. In the regrowth, during the last four weeks before the harvest, the average daily decline in crude protein content was 0.28 percentage units.The average decline in organic matter digestibility from early pasture stage to late silage stage was 0.9 percentage units per day. The most remarkable change was noticed at the growth stage of timothy when about the half of stems were heading and it was then that the digestibility decreased by more than one percentage unit per day. The rapid decline in organic matter digestibility was due to the low digestibility of stem matter. The daily change in forage digestibility in the regrowth was very small, on average 0.11%.;

YIELD AND QUALITY OF SOME KALE-CORN COMBINATIONS

1980 ◽  
Vol 60 (3) ◽  
pp. 807-811 ◽  
Author(s):  
R. S. FULKERSON
Keyword(s):  
Protein Content ◽  
Corn Stover ◽  
Crude Protein ◽  
Dry Matter ◽  
In Vitro Digestibility ◽  
Crude Protein Content ◽  
Yield And Quality ◽  
Row Width

Midas marrowstem kale (Brassica oleracea L.) was grown in different row width associations with United 106 corn (Zea maize L.) in two studies and ensiled in different moisture blends with corn stover in another. Highest dry matter yields were obtained where a single row of kale was grown at 30 cm to the side of a corn row. This combination also provided the lowest moisture content feed and the highest in vitro digestibility and crude protein content. Changing the corn row width had no significant effect upon yield, plant height, in vitro digestibility, kale leaf or corn ear content. Blending kale with corn stover to provide a silage of about 70% moisture increased the digestibility and protein content of the feed and provided a silage that kept well in storage.

Predicting the digestibility of Sahelian roughage feeds from the crude protein content in faeces of cattle, sheep and goats using an established first-order exponential function

2006 ◽  
Vol 34 ◽  
pp. 109-115
Author(s):  
Eva Schlecht ◽  
Andreas Susenbeth
Keyword(s):  
Organic Matter ◽  
Protein Content ◽  
Exponential Function ◽  
Crude Protein ◽  
Crude Protein Content ◽  
Sheep And Goats ◽  
First Order ◽  
Organic Matter Digestibility

SummaryAn equation predicting organic matter digestibility (OMD) of the diet from faecal crude protein content (FCP) was established by Lukas (2002) with data from cows fed various diets based on roughage of temperate origin. The suitability of this equation to predict OMD of tropical roughages was tested with data from grazing and stall-fed cattle, sheep and goats. The correlation between measured OMD and that estimated from the average FCP of a group of animals consuming the same diet was r=0.91, and the deviation between estimated and measured values averaged 6%. Poor estimates were obtained for feeds with high biological tannin activity. Using the equation provides an easy assessment of OMD of tropical roughages that do not contain biologically traceable amounts of anti-nutrients.

Studies of natural herbage of the sub-tropics I. The digestibility of herbage grazed by cattle

1962 ◽  
Vol 58 (3) ◽  
pp. 387-391 ◽  
Author(s):  
J. H. Topps
Keyword(s):  
Organic Matter ◽  
Dairy Cattle ◽  
Protein Content ◽  
Crude Protein ◽  
Nitrogen Concentration ◽  
Crude Protein Content ◽  
Faecal Nitrogen ◽  
Digestible Crude Protein ◽  
Cattle Faeces ◽  
Organic Matter Digestibility

1. In two continuous digestibility trials carried out in 1960 and 1961, groups of three wether sheep were fed on oven-dried herbage which had been selectively collected from natural pastures during December 1959 to March 1960 and December 1960 to March 1961. The organic matter digestibility and the digestible crude protein content of the herbage and the nitrogen concentration in faeces were measured over periods of 5 days. The fresh faeces of dairy cattle grazing the natural pastures were regularly sampled and analysed. Regressions of organic matter digestibility and digestible crude protein content on faecal nitrogen were evaluated. From these equations and the composition of the dairy cattle faeces the digestibility of the herbage grazed was calculated.2. The herbage consumed by the cattle had a significantly higher organic matter digestibility and digestible crude protein content than the collected material. This difference, which increased as the season progressed, indicates that dairy cattle became increasingly selective in their grazing as the pasture deteriorated in quality.3. There was a marked yearly difference in digestibility-faecal nitrogen relationships and in the quality of the consumed forage. The grass eaten in 1959-60 had a higher digestibility and lower digestible crude protein content than in the following year. These differences may be part attributable to a seasonal difference in rainfall.4. The organic matter digestibility of the grazed herbage ranged from 52·71 to 65·03% and the digestible crude protein content from 3·08 to 7·43% For milk production, the herbage consumed is low in digestible protein in relation to the total amount of digestible nutrients.

scholarly journals Effect of harvesting time on forage yield and quality of maize

2018 ◽  
Vol 34 (3) ◽  
pp. 345-353 ◽  
Author(s):  
Violeta Mandic ◽  
Zorica Bijelic ◽  
Vesna Krnjaja ◽  
Aleksandar Simic ◽  
Maja Petricevic ◽  
...  
Keyword(s):  
Protein Content ◽  
Crude Protein ◽  
Dry Matter ◽  
Matter Content ◽  
Forage Yield ◽  
Dry Matter Content ◽  
Crude Protein Content ◽  
Maize Hybrid ◽  
Growing Seasons ◽  
Yield And Quality

Maize is the very important silage source in the world. Timely harvesting ensure high maize forage yield and quality. Therefore, the study focused on the effects of four harvesting times (starting at the 12 August every 7 days) on yield and qualitative parameters of forage green mass of maize hybrid ZP 677. The experiment was set in Vojvodina Province, Serbia, during the 2013 and 2014 growing seasons. Plant height, stem diameter, number of leaves per plant, ear percentage, forage yield, dry matter content and crude protein content were higher, while stem percentage was lower in 2014 with favorable climatic condition. Forage yield, crude protein content, ADF and NDF decreased, while dry matter content significantly increased with delay in harvesting. The maize hybrid should be harvested when the milk line is three-quarter of the way down the grain that is in the third decade of August.

scholarly journals THE YIELD STABILITY AND QUALITY OF LEGUMES DURING TWO CONSECUTIVE, EXTREMELY DRY YEARS

2013 ◽  
Vol 59 (4) ◽  
pp. 167-177
Author(s):  
Miriam Kizeková ◽  
Ján Tomaškin ◽  
Jozef Čunderlík ◽  
Ľubica Jančová ◽  
Janka Martincová
Keyword(s):  
Protein Content ◽  
Crude Protein ◽  
Dry Matter ◽  
Seasonal Pattern ◽  
Red Clover ◽  
Dry Matter Yield ◽  
Crude Protein Content ◽  
Crude Fibre ◽  
Herbage Quality

Abstract This study highlights the effect of drought and ambient temperature on performance and herbage quality of legume monocultures and grass-legume mixtures. In a field experiment, the total dry matter yield, seasonal pattern of dry matter yield distribution, content of crude protein and crude fibre of monocultures of red clover and alfalfa and grass-legume mixtures were investigated during two consecutive dry years (2011-2012). Alfalfa cultivars Kamila and Tereza grown as monocultures or as mixtures with Festulolium braunii (cultivar Achilles) outperformed the red clover cultivars Fresko and Veles and provided a well-balanced total and seasonal dry matter yield during both years. Across all experimental years, crude protein content was significantly higher at alfalfa monocultures and mixture when compared with clover monocultures (P < 0.05). However, considerable lower content of crude fibre at clover monocultures in comparison with alfalfa ones was found. Responses of nutritive parameters of both legume species to weather variables were different. Crude protein content in red clover was independent of rainfall and temperature. In contrast, the crude fibre content correlated with temperature whereby the alfalfa monocultures showed stronger correlations (P < 0.05) than red clover monocultures.

Forage quality and use of reforested habitats by snowshoe hares

1988 ◽  
Vol 66 (9) ◽  
pp. 2080-2083 ◽  
Author(s):  
Gordon L. Rogowitz
Keyword(s):  
Protein Content ◽  
Crude Protein ◽  
Forage Quality ◽  
Crude Protein Content ◽  
Vegetative Cover ◽  
Low Protein ◽  
Snowshoe Hares ◽  
Conifer Plantations ◽  
Browse Species

The forage quality of habitats associated with mature conifer plantations and the use of these habitats by resident snowshoe hares (Lepus americanus) were evaluated. The winter forage of hares was composed of deciduous stems that were predominantly low in protein content and not preferred. The crude protein content of the principal browse species, Viburnum dentatum, was only 4.6–6.4% during winter months. However, snowshoe hares feeding on the low-protein browse maintained their body weight. The intake of protein was maximized by the consumption of stem ends, which compensated for the low-protein forage. Use of habitat by snowshoe hares was closely related to the vegetative cover but did not correlate well with forage availability. Sites preferred by hares had a well-developed overstory (mature spruce) but only sparsely available forage during the winter. Thickets of early-successional deciduous vegetation had high use and contained most of the low-protein browse.

Mixtures of annual legumes and small-grained cereals for forage production under low rainfall

1989 ◽  
Vol 113 (2) ◽  
pp. 249-253 ◽  
Author(s):  
D. N. Droushiotis
Keyword(s):  
Organic Matter ◽  
Protein Content ◽  
Crude Protein ◽  
Dry Matter ◽  
Crude Protein Content ◽  
Forage Production ◽  
Legume Seed ◽  
Matter Production ◽  
Digestible Organic Matter ◽  
Triticale Line

SUMMARYTwo small-grained cereals, Mulga oats and a triticale line, and two legumes, local vetch and local peas, were grown in pure stands and in mixtures at various cereal: legume seed ratios (20:80, 40:60, 60:40 and 80:20) for three successive cropping years, 1981/82 to 1983/84, at Laxia and Dromolaxia, Cyprus, in each year.The cereal pure stands produced, on average, more dry matter, 8·40 t/ha, and more digestible organic matter, 4·12 t/ha, than the legume pure stands, 3·68 and 2·18 t/ha, respectively. On average, total dry matter production decreased linearly as the seed proportion of the legume component in the mixture increased. The proportion of the legume in the harvested material was much lower than expected from the seed ratios. The highest proportion of legume was seen in the mixtures of peas with triticale and ranged from 8·1 to 35·5% at the various sowing rates. Digestibility and crude protein content were highest in the mixtures of triticale and peas.

SPRING BARLEY - MAIN FEED CROP OF THE REPUBLIC OF MARI EL

2016 ◽  
Vol 11 (1) ◽  
pp. 22-26
Author(s):  
Золоторева ◽  
Rimma Zolotoreva ◽  
Виноградов ◽  
Georgiy Vinogradov ◽  
Максимов ◽  
...  
Keyword(s):  
Protein Content ◽  
Crude Protein ◽  
Grain Quality ◽  
Spring Barley ◽  
Climatic Conditions ◽  
Mineral Fertilizers ◽  
Crude Protein Content ◽  
The Republic ◽  
Feed Crop

The article discusses the influence of mineral fertilizers on formation of productivity and grain quality of different spring barley types in the soil and climatic conditions of the Republic of Mari El. Research has established, that the application of mineral fertilizers for spring barley in doses of N60P60K60 and N90P60K60 increases the crude protein content in the grain and increase harvesting of feed units per unit of cultivated area.

A note on the influence of a supplement of barley and dried lucerne on the intake of barley straw by cattle

1976 ◽  
Vol 22 (3) ◽  
pp. 419-421 ◽  
Author(s):  
G. M. J. Horton ◽  
W. Holmes
Keyword(s):  
Organic Matter ◽  
Protein Content ◽  
Crude Protein ◽  
Latin Square ◽  
Live Weight ◽  
Barley Straw ◽  
Total Organic Matter ◽  
Crude Protein Content ◽  
Ad Libitum ◽  
Concentrate Level

SUMMARYSix castrated male cattle of 350 kg live weight were used in an incomplete Latin square design to measure intake and digestibility of barley straw offered ad libitum alone and with 5 levels, 1·5 to 7·5 kg/day, of a barley and dried lucerne concentrate. Straw intake declined and total organic-matter intake increased linearly with increasing concentrate level. On average 1 kg additional organic matter as concentrate, increased total organic-matter intake by 0·68 kg. There was no evidence that the crude protein content of the whole diet affected straw consumption.

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