Effect of variety, soil type and fertiliser on the establishment, growth, forage yield, quality and voluntary intake by cattle of oats and vetches cultivated in pure stands and mixtures

Assefa, Getnet; Ledin, Inger

doi:10.1016/s0377-8401(01)00242-5

Cited by 139 publications

(129 citation statements)

References 10 publications

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“…There were significant (PB 0.01) differences between varieties in terms of CP, NDF, ADF and ADL contents. CP content (ranging from 52 to 122 g kg (1 DM) of different oat varieties used in the present experiment was similar to those reported by Assefa and Ledin (2001), Calabro et al (2005) and Doran et al (2007). Possum variety had the highest CP content.…”

Section: Chemical Compositionsupporting

confidence: 88%

“…Other important quality characteristics for forages are the concentrations of NDF and ADF (Caballero et al 1995;Assefa and Ledin 2001). The mean NDF, ADF and ADL content of oat forages were 563.3, 357.2 and 48.6 g kg…”

Section: Chemical Compositionmentioning

confidence: 99%

“…CP content of oat forage reported in literatures ranges from 52 (Rodrigues et al 2002) to 148 g kg (1 DM (Lafore et al 1999). Assefa and Ledin (2001) showed in vitro organic matter digestibility in three different varieties of oat was from 540 to 568 g kg (1 DM. Higher dry matter digestibility (DMD) has been reported (59.0Á65.3%) for oat hay in in vivo studies with sheep (Sileshi et al 1998;Mazumder et al 2004;Doran et al 2007).…”

Section: Introductionmentioning

confidence: 99%

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Chemical composition,in vitrodigestibility and kinetics of fermentation of whole-crop forage from 18 different varieties of oat (Avena sativaL.)

Kafilzadeh

Heidary

2013

Journal of Applied Animal Research

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The aim of this study was to compare the yield of forage and the yield of digestible organic matter as well as chemical composition and kinetics of fermentation of forage produced from 18 different varieties of oat (Avena Sativa L.) grown under the same agronomic condition. Dry matter and organic matter digestibility were determined using in vitro two-stage method and gas production technique was used to measure the kinetics of fermentation of forage from different varieties. Yield of forages varied significantly from 15.6 to 26.3 ton haLGorskij 1026 variety had the highest forage yield. The content of crude protein, neutral detergent fibre (NDF), acid detergent fibre (ADF) and acid detergent lignin (ADL) were significantly (PB0.01) different among varieties of oat used in this study. There were significant (PB0.01) differences among varieties in terms of in vitro dry matter digestibility (IVDMD) and organic matter digestibility (IVOMD) and metabolisable energy (ME) from 18 varieties of oat forage. Possum and LGorskij 1026 varieties had the highest and lowest IVOMD, respectively (67/4 vs. 54/9%). The ME varied from 5.76 to 7.13 MJ kg(1 DM. The mean value of digestible organic matter (DOM) yield was 10.8 ton ha ).Significant difference was observed in the potential gas production (A), constant rate (c) and lag time among different varieties. The fractional rate of gas production (c, h(1 ) ranged from 0.029 to 0.040. The result emphasised that in any evaluation of oat varieties, not only yield and digestibility but also kinetics of digestion or fermentation should be taken into consideration.

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Section: Chemical Compositionsupporting

confidence: 88%

Section: Chemical Compositionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Chemical composition,in vitrodigestibility and kinetics of fermentation of whole-crop forage from 18 different varieties of oat (Avena sativaL.)

Kafilzadeh

Heidary

2013

Journal of Applied Animal Research

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“…Crude protein content is a significant indicator of feed quality (Assefa and Ledin, 2001). It was reported that differences in crude protein contents of different varieties can be resulted from genetics of the plants and such values can also vary depending on leaf, spike and stem ratios, ripening periods, fertilization, climate and soil conditions (Ball et al, 2011).…”

Section: Discussionmentioning

confidence: 99%

Potential Nutritive Value of Astragalus Species Harvested at Three Different Maturity Stages

Çaçan¹

2017

Appl. Ecol. Env. Res.

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Abstract. The present study was conducted to investigate the effects of maturity stages on the chemical composition, in vitro gas and methane production, metabolic energy and organic matter digestibility for eleven Astragalus species widely encountered over the rangelands and intensely grazed by ruminants. Astragalus samples were collected from the rangelands at three different stages namely as before flowering, flowering and bear fruit stages. Dried samples were then subjected to various chemical analysis. Effects of Astragalus species and maturity stages on chemical composition, in vitro gas and methane production, metabolic energy and organic matter digestibility were found to be quite significant (P < 0.001). Acid detergent fiber (ADF) and neutral detergent fiber (NDF) ratios increased, while the crude protein, crude ash, crude oil, condensed tannin contents, gas and methane production levels decreased with the progress of maturity stage. It can be suggested that grazing was more favorable at before flowering or flowering stages of Astragalus species because of high crude protein and metabolic energy content of plant at these stages. Also, although all Astragalus species were considered as a quality feed source for ruminants, endemic Astragalus oocephalus and Astragalus longifolius species were prominent with their superior nutritive properties.

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“…Acid detergent fiber (cellulose and lignin) and neutral detergent fiber (hemicelluloses, cellulose, and lignin) are considered to be two important characteristics of forage quality (Caballero et al, 1995;Assefa & Ledin, 2001). High quality forages have low concentrations of both NDF and ADF.…”

Section: Acid Detergent Fiber and Neutral Detergent Fibermentioning

confidence: 99%

Effect of different irrigation regimes and zeolite application on yield and quality of silage corn hybrids

Paknejad¹,

Seif²,

Azizi³

et al. 2017

JEBAS

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Present study was carried out to evaluate the effects of irrigation regimes and zeolite on the yield and quality parameters of silage corn hybrids. Study was conducted at Seed and Plant Improvement Institute in Karaj, Iran during 2013. The experiment was arranged in a three-replicated split-spilt plot based on randomized complete blocks design (RCBD) including three irrigation regimes as main plots (irrigation after 70, 100 and 130 mm evaporation from standard class A evaporation pan), two levels of zeolite as sub plots (0, 10 ton/ha) and three hybrids of silage corn (KSC704, KSC705 and KSC720) as sub subplot. Results of this study indicated that increasing water stress from optimum irrigation (Ir70) to moderate (Ir100) and low irrigation (Ir130) caused 25 and 37% reduction in forage dry matter yield but no significant difference was reported in protein yield. Moreover, application of zeolite have significant effect on forage yield and also have significant effect on protein yield (P<0.01). Forage quality parameters including water soluble carbohydrates, crude protein, acid detergent fiber and neutral detergent fiber increased and dry matter digestibility reduced when there was limited irrigation imposition. Among the tested corn seed hybrids KSC704 hybrid produced the highest dry forage yield and in terms of protein yield, no significant difference was reported between KSC720. KSC705 hybrid had the lowest acid detergent fiber and neutral detergent fiber and the highest dry matter digestibility.

show abstract

Effect of variety, soil type and fertiliser on the establishment, growth, forage yield, quality and voluntary intake by cattle of oats and vetches cultivated in pure stands and mixtures

Cited by 139 publications

References 10 publications

Chemical composition,in vitrodigestibility and kinetics of fermentation of whole-crop forage from 18 different varieties of oat (Avena sativaL.)

Chemical composition,in vitrodigestibility and kinetics of fermentation of whole-crop forage from 18 different varieties of oat (Avena sativaL.)

Potential Nutritive Value of Astragalus Species Harvested at Three Different Maturity Stages

Effect of different irrigation regimes and zeolite application on yield and quality of silage corn hybrids

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