Voluntary intake and digestibility of barley straw as influenced by variety and supplementation with either barley grain or cottonseed cake

Capper, B. S.; Thomson, E. F.; Rihawi, S.

doi:10.1016/0377-8401(89)90010-2

Cited by 26 publications

(17 citation statements)

References 8 publications

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“…Leaves had the highest degradability values, followed by chaff, nodes and internodes. However, Capper et al (1989) argued that with a larger range of values, the stem to leaf ratio becomes a major contributor to variation in digestibility. Plant height was positively related to the content of cell wall components (Capper et al 1989;Mathison et al 1999) and negatively related to microbial degradation in the rumen (Colucci et al 1992;Mathison et al 1999).…”

Section: Nutrient Composition Of Straw and Chaffmentioning

confidence: 99%

“…However, Capper et al (1989) argued that with a larger range of values, the stem to leaf ratio becomes a major contributor to variation in digestibility. Plant height was positively related to the content of cell wall components (Capper et al 1989;Mathison et al 1999) and negatively related to microbial degradation in the rumen (Colucci et al 1992;Mathison et al 1999). Degradation is closely related to the distribution of cell types (parenchyma, epidermis, and sclerenchyma cells) within leaf and stem, and the thickness of the walls of specific cell types (Goto et al 1991).…”

Section: Nutrient Composition Of Straw and Chaffmentioning

confidence: 99%

“…Straw quality is not correlated with yield and quality of grain (Erickson et al 1982;Tuah et al 1986;Capper 1989;Shand et al 1988;Ramanzin et al 1991;Colucci et al 1992). Cultivars of barley, wheat or oats with similar agronomic characteristics may differ markedly in straw morphology (Kernan et al 1984;, chemical composition (Kernan et al 1979;Erickson et al 1982;Narasimhalu et al 1998), and rumen degradation and in vitro digestibility (Ramanzin et al 1986;Tuah et al 1986;Reed et al 1988;Shand et al 1988;Ørskov et al 1990;Colucci et al 1992).…”

Section: Cereal Genotype Effectsmentioning

confidence: 99%

“…Harvesting by direct combining at 25.4 cm vs. 7.5 cm stubble height increased crude protein and IVOMD of barley straw (Kernan et al 1993). Similarly, barley harvested at 20 cm produced straw with higher nutritive value than barley harvested at ground level (Capper et al 1989). However, greater stubble height decreased total straw yield.…”

Section: Harvesting and Weather Condition Effectsmentioning

confidence: 99%

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Review: The composition and availability of straw and chaff from small grain cereals for beef cattle in western Canada

McCartney¹,

Block²,

Dubeski³

et al. 2006

Can. J. Anim. Sci.

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. 2006. Review: The composition and availability of straw and chaff from small grain cereals for beef cattle in western Canada. Can. J. Anim. Sci. 86: 443-455. Small cereal grain residues are heterogeneous feeds consisting of several botanical fractions: chaff, grain, leaf blade, leaf sheath, internode and node. These parts vary in composition, digestibility, resistance to comminution, intake potential and energy availability. Large differences in the nutritional quality of straw and chaff may occur from year to year and between locations due to effects of environmental conditions on botanical composition and cell anatomy. Stage of maturity, harvest method and weathering will influence composition and quality of the most nutritious parts of cereal residues, the leaf and chaff. In addition, cultivars and species differ in the proportion, anatomy and digestibility of botanical fractions. As a result, the quality of crop residues is highly variable with an economic value that is difficult to accurately assess.Cereal straw and chaff are of low economic value as they are low in nutritive value, where nutritive value is the product of nutrient intake, digestibility, and efficiency of use. However, due to availability, cereal crop residues have the potential to be a substantial feed resource for beef cows. Previous reviews have not focused on straw and chaff nutrition research relevant to use by beef cattle in western Canada. This review includes discussions on yield and nutritive value with a focus on identifying information deficiencies, including the lack of detailed production statistics for determining residue yields on a regional bases and the need for more detailed nutrient composition to update regional feed data bases for western Canada.

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Section: Nutrient Composition Of Straw and Chaffmentioning

confidence: 99%

Section: Nutrient Composition Of Straw and Chaffmentioning

confidence: 99%

Section: Cereal Genotype Effectsmentioning

confidence: 99%

Section: Harvesting and Weather Condition Effectsmentioning

confidence: 99%

See 2 more Smart Citations

Review: The composition and availability of straw and chaff from small grain cereals for beef cattle in western Canada

McCartney¹,

Block²,

Dubeski³

et al. 2006

Can. J. Anim. Sci.

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show abstract

“…No comprehensive databases exist for VI of forages and fodder crops fed as the sole source of the diet, and for which complete chemical characterization has also been conducted (Coleman and Moore, 2003 genotype, and LW change often ranged from LW loss to modest LW gain e.g. (Capper et al, 1989) (Table 2.6). Thus it has been shown that livestock productivity can be influenced substantially by variation among genotypes of the same species of cereal and grain legume CR.…”

Section: Variation In VI and Factors Affecting The Utilization Of Poomentioning

confidence: 99%

Options for improving the yield and nutritive value of maize and grain legume residues for ruminants in East African farming systems

Dejene¹

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The role and importance of livestock in smallholder crop-livestock systems and the importance of crop residues (CR) as ruminant feedstuffs in such systems are well established. The effects of genotype (G), environment (E) and crop management (M) factors on yields of grain and CR and the nutritive value of the CR of maize (Zea mays) and common bean (Phaseolus vulgaris) were investigated in an East African context. Genotype effects were examined in early and medium maturing (EM and MM, respectively) maize hybrids and popular varieties of common bean. Environment was examined at three sites for maize in the 2013 and 2014 cropping seasons and at four sites for common bean in 2013. Management effects examined were plant density (D) (5 and 7 plants/m 2 ), height of cutting at harvest in maize, and harvest at early and final seed maturity in common bean. Quality attributes (nitrogen (N), neutral detergent fibre (NDF) and acid detergent fibre (ADF) contents and dry matter digestibility (DMD)) were analysed using near infrared spectroscopy (NIRS) and calibrations expanded and validated with reference samples of CR representing the experimental sample set.There was substantial variation (P<0.05 to P<0.0001) among maize genotypes in yields of grain and stover and quality of stover as a feedstuff. Dual purpose genotypes were identified but G x E interactions for some yield and quality attributes showed that the variation among genotypes can depend on environment. In general the higher D increased yields of grain by 9-15% and stover by 21-31%, but had only minor effects on stover quality attributes. Year (Y) x density (D), G x E and G x D interactions were observed for some of the yield and stover attributes.High cutting height of maize (two internodes below the lowest ear) allowed harvest of most of the stover (on average 63-72% in EM and MM genotypes, respectively) as feedstuff while leaving stubble in the field available for other uses. This is established practice by farmers in some regions. The amount and quality as a feedstuff of the upper and lower stover components varied (P<0.01) among genotypes. N and DMD were 0.05-0.09% and 1.7-3.6%, respectively higher (P<0.0001) in the upper fraction of the stover than in whole stover. Thus evaluation and estimation of the amount and quality of maize stover available as a feedstuff should consider harvest at high cutting height to increase quality. G x E interactions were observed in yield and in some stover attributes in the upper and lower fractions, but these were not consistent.ii Common bean varieties varied (P<0.05 to P<0.0001) in yields of seed and haulm and in the nutritive value of haulm fractions (leaf, stem and pod wall) when harvested at seed maturity. There was extensive leaf loss at seed maturity which decreased haulm quality.Seed and haulm yields were correlated (r=0.87). Seed yield was generally not related to haulm quality as N% or DMD%. The variation in yield and haulm feedstuff quality was also examined in common bean varieties harvested at early se...

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Varietal differences among sorghum crop residues in relation to their phenolic HPLC fingerprints and responses to different environments

Mueller-Harvey¹,

Dhanoa²

1991

J Sci Food Agric

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Voluntary intake and digestibility of barley straw as influenced by variety and supplementation with either barley grain or cottonseed cake

Cited by 26 publications

References 8 publications

Review: The composition and availability of straw and chaff from small grain cereals for beef cattle in western Canada

Review: The composition and availability of straw and chaff from small grain cereals for beef cattle in western Canada

Options for improving the yield and nutritive value of maize and grain legume residues for ruminants in East African farming systems

Varietal differences among sorghum crop residues in relation to their phenolic HPLC fingerprints and responses to different environments

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