2 edition of Dry matter and protein heritability estimates in tall fescue (Festuca arundinacea, Schreb.) found in the catalog.
Dry matter and protein heritability estimates in tall fescue (Festuca arundinacea, Schreb.)
Rodney Vance Frakes
Written in English
|Statement||by Rodney Vance Frakes.|
|The Physical Object|
|Pagination||76 leaves, bound ;|
|Number of Pages||76|
Feed quantity (kilograms of dry matter) is the most common way of measuring feed and we often talk about the cost of purchased feeds on a kilograms of dry matter basis. An equally, if not more important measure is feed "quality"; feed "quality" is the energy value of feed. of chemical composition were for crude protein, for neutral detergent fiber, for acid detergent fiber, for lignin, and for in vitro rumen Jigestion. Animal response correlations were for dry aatter digest ibility, for dry matter intake, and for digestible energy intake. Sep 04, · Jafari AA, Javarsineh S () Estimates of heritability and predicted of genetic gain for yield and quality traits in parents and half sib families of tall fescue (Festuca arundinacea Schreb). Iranian Journal of Rangelands and Forests Plant Breeding and Genetic Research 13, 99–Cited by: 5.
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Dry matter and protein heritability estimates in tall fescue (Festuca arundinacea, Schreb.)Cited by: 1. Dry Matter and Protein Heritability Estimates in Tall Fescue (Festuca arundinaceae, Schreb.). Agron. Abst. Frakes, R. Heritability Estimates and Genetic Potentials in Alfalfa as Affected by Clipping Treatments and Stage of Growth.
Agron. Abst. Frakes, R. Predicting Dry Matter Yield in Space Planted. Dry matter and protein heritability estimates in tall fescue (Festuca arundinacea, Schreb.). Genetic variation, heritability and genetic correlations for forage quality and yield traits of Mediterranean tall fescue germplasm.
Authors. Annicchiarico, CP and dry matter (DM) yield in one autumn and one winter harvest. Family x harvest interaction was large for NDF and ADF, moderate for CP and absent for DM yield.
Additive genetic. Annual dry matter and digestible dry matter yields of tall fescue from eight defoliation treatments and N yields from four defoliation treatments (oven-dry basis).
Content uploaded by Joseph C. Burns. Aug 01, · Read "Heritabilities of nutritive quality factors and interrelationships with yield in selected progenies of tall fescue, Plant Breeding" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.
Tall Fescue Response to Nitrogen and Harvest Date for Stockpiled Grazing in the Upper Forage crude protein (CP) and in vitro dry matter digestibility (IVDMD) increased as N rate increased, while neutral detergent fiber (NDF) decreased. tall fescue to store free Cited by: 9.
Tall fescue, however, is the predominate forage grown for both pas- tional value (i.e., in vitro dry matter [DM] disappearance, crude protein (CP), neutral detergent fi ber (NDF), and constituent fi ber concentrations) of orchardgrass and tall estimate daily DMI (Burns et Cited by: 5.
Excess perennial cool-season grass production can be harvested as hay for feeding later. Thus, a series of experiments were conducted to estimate DMI Cited by: 2. Sep 01, · Putting the words "good quality" in the same sentence with tall fescue may raise a few eyebrows, but in Feeds and Feeding by Cullison, the dry matter crude protein value of fresh tall fescue forage is listed at percent with a total digestible nutrient (TDN) value of 65 percent.
Jan 30, · Abstract. To study the genetic variation, heritability and genetic correlations of some agro-morphological traits in tall fescue, 25 parents from a genetically broad-base germplasm were polycrossed and their respective half-sib families were saludalmomento.club by: Low broad‐sense heritability estimates were obtained for dry‐matter yield, but heritability for the traits of number of stems per plant, plant height and crown diameter was moderately high.
Several trials in the transition region have reported positive responses of tall fescue (such as greater dry matter yield and greater proportion of green tissue) as a function of N fertilization rate (Figure 5 and Figure 6).
In addition, the source of N fertilizer plays a critical role in the realization of this response. and lower dry-matter intake. Available forage tends to be higher because cows eat less of what’s there.
There is an option for “friendly fescue,” Fescue and Fertility Fescue plays a large role in nutrition, reproduction. by Kasey Brown, associate editor Fig. 1: Effect of nitrogen fertilization on ergovaline levels 0.
tall fescue varieties were more encouraging than experiences with endophyte-free varieties (Bouton et al., ), so Jesup MaxQ was released in Over the past several years more novel endophyte tall fescue varieties have been developed.
Soon a new novel endophyte tall fescue developed at the University of Kentucky will hit the market. improve sward yield and nutritional quality in tall fescue (Festuca arundinacea Schreb.).
Narrow-sense heritabilities, genetic and rank correla-tions, and indirect selection effi ciencies were estimated for a tall fescue population grown in spaced plant and seeded sward environments.
Heritability for yield was similar between spaced. Dry matter and protein yield The highest content of meadow fescue was recorded in treatment without fertilization - g kg-1, as well as perennial ryegrass - g kg Halling and Wallgren () in their study of the effect of N fertilization, in the amount of.
Forage dry matter has been divided into two fractions on the basis of nutritional availability. One fraction (non-structural) corresponds to the cell content and is composed of WSC (water soluble carbohydrates) (fructans and starches), lipids, most of the protein, nucleic acid and saludalmomento.club by: 2.
AN OVERVIEW OF THE TALL FESCUE ENDOPHYTE PROBLEM IN THE U.S.A. J.P. MUELLER North Carolina State Umversity. annual yields of dry matter (10 to 14 t/ha). Although growth is severely reduced during Chemical and biological estimates of forage quality such as fibre (NDF, ADF), crude protein, and in uitro digestibility seem to suggest that.
Under normal conditions this will give a to day feed supply if grazed properly. (A 1,pound cow eating % of her body weight per day in dry matter consumes 26 pounds of forage per day.
An acre of fescue stockpiled for 90 days typi- cally produces 3, pounds of forage. We compared ruminal dry matter (DM) and crude protein (CP) degradation kinetics of fresh forages of alfalfa (vegetative, early bud, early flowering, and late flowering stages) and bromegrass with endophyte-free and endophyte-infected tall fescue (tillering, stem elongation, heading, and flowering stages) by using nonlinear saludalmomento.club by: Since only 6 to 14 kg of pure live seed/ha are needed for grassland plantings, one seed production hectare will plant 25 to 90 hectares of grasslands which is similar to that of most cultivated crops (Vogel et al.
This means that native grasses have adequate seed yields for use as forage crops. Oct 26, · Despite efforts made, forage yield of smooth bromegrass has increased slowly over the last 50 years of breeding.
It therefore seems necessary to investigate more on the genetic basis of agro-morphological traits in this cool-season, highly drought resistant grass. The present study was aimed at estimation of total genetic variance, narrow-sense heritability, general combining ability Cited by: Forty-four meadow bromegrass clones were evaluated for agronomic characters.
Genetic variation for dry matter yield, seed yield, fertility index, harvest index, plant height, plant spread, crude protein, neutral detergent fiber and acid detergent fiber, was significant.
Broad-sense heritability estimates exceeded 50% for all characters. In the northern areas of the Cotton Belt, suboptimum temperatures are rather common during the very early stages of growth and during the latter stages of boll development of cotton (Gossyplum hirsutumGossyplum hirsutum.
Aug 01, · The objective of the present research was to study the genetic variability for total dry matter (DM) yield, The estimates of broad-sense heritability (h 2 b) were moderate to high for all traits (h 2 b =0·37–0·69), heritability and genetic correlation for forage quality and yield traits of Mediterranean tall fescue saludalmomento.club by: Breeding meadow bromegrass for forage characteristics under a line-source irrigation design.
Can. Plant Sci. Production from less productive lands limited by irrigation can be increased if genetically improved pasture grasses are developed with increased dry matter production (DMY) and nutritional quality. In 18 half-sib. Tall fescue crude protein (CP) estimates from an active spectral sensor model regressed with near-infrared spectroscopy (NIRS)-laboratory-analyzed CP for early- and full-season forage growth.
Fig. Tall fescue crude protein (CP) estimates from an active spectral sensor model regressed with near-infrared spectroscopy (NIRS)-laboratory-analyzed. is the yield of digestible dry matter. We tried using the values for yield of digestible dry matter but these values seem to be more or less dependent on dry matter production and digestibility seems to have very little effect.
The variation in dry matter production is masking the effect of the variation in digestibility. On toxic endophyte-infected tall fescue, for example, forage Correcting this deficiency with supplemental nitrogen (protein) can increase dry matter intake substantially.
Protein supplementation is effective in (with heritability estimates ranging from to ) and in adult cattle (with a heritability estimate of ). If managed properly, Tall fescue can be an important component to a pasture system. If fertilized in the fall, Tall fescue yield potential and forage quality will increase.
By applying 60 units of nitrogen in early September, one can expect approximately 2, pounds of dry matter production before winter sets in. Feb 01, · Read "Genetic variation, heritability and genetic correlations for forage quality and yield traits of Mediterranean tall fescue germplasm, Plant Breeding" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.
Effects of feeding stockpiled tall fescue (STF) versus summer-baled tall fescue hay (Hay) during late gestation cow plasma glucose concentrations. There was a main effect of day (P Cited by: 3. Jan 01, · In vitro true dry matter disappearance, crude protein (CP), and fiber fractions of tall fescue hays harvested in April and June with a wild type, MaxQ, or no endophyte fed to sheep or cattle in intake and digestion trials.
In class we discussed Positive Associative Effect and Negative associative Effect. Explain in detail the impact on dry matter intake with the feeding of a protein supplement to these cows. Explain in detail the impact on dry matter intake with the feeding of a supplement that contains high levels of cereal grains (starch) to the cows.
The weight gain of steers grazing tall fescue in the fall (Figure 1) was explained by ADG = − × EV for CM and ADG = − × EV for MIN. The expected performance of steers grazing tall fescue at the lowest level of toxicity ( ppb EV) was kg/d for CM and kg/d for MIN, a kg/d advantage for saludalmomento.club: Jose M Diaz, M Shane Gadberry, Paul A Beck, John T Richeson, G Douglas Hufstedler, Don S Hubbell, Jo.
Levels and Timing of Nitrogen Fertilizer Applications for Tall Fescue in Central Alabama, Heritability Estimates for Forage Yield, In Vitro Dry Matter Digestibility, Crude Protein, and Heading Date in Indiangrass, K.
Vogel, Herman J. Gorz. Energy is more likely than protein to be deficient in forage-based beef cattle diets in Mississippi.
Recent fiveyear forage test data from the Mississippi State Chemical Laboratory and the Louisiana State University AgCenter Forage Quality Laboratory support this claim.
The protein requirement of a lactating dairy cow exceeds the ability of the ruminal MCOs to synthesize sufficient protein to meet the needs of her body and milk protein synthesis.
Therefore, ruminal degradable protein sources are supplied to meet the needs of the ruminal MCOs because they're digesting roughage sources. Dry matter intake values are estimates based on published prediction equations. These predictions assume that adequate protein is supplied in the diet for maximum rumen fermentation.
If the diet is deficient in protein, the dry matter intake values will overestimate actual cattle consumption. May 11, · Crude protein will drop % per day from boot stage to mature seed stage.
Research in southern Ohio (Sulc et al., ) indicated that endophyte-free and endophyte-infected fescue mixed with orchardgrass had crude protein levels between 11 and 12% on May The secret to fescue hay production is adequate fertility and early cutting.STEER AND TALL FESCUE PASTURE RESPONSES TO GRAZING INTENSITY AND CHEMICAL SEEDHEAD SUPPRESSION Tall fescue (Lolium arundinaceum) is the principal cool-season species within pastures of the southeastern USA and is known to have a mutualistic relationship with a fungal endophyte (Neotyphodium coenophialumCited by: 2.Unfortunately, this book can't be printed from the OpenBook.
If you need to print pages from this book, we recommend downloading it as a PDF. Visit saludalmomento.club to get more information about this book, to buy it in print, or to download it as a free PDF.