The apparent digestibility of the non-nitrogenous components of ruminant feeds

Glover, Jen; Dougall, H. W.

doi:10.1017/s0021859600023285

Cited by 14 publications

(2 citation statements)

References 4 publications

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“…The significant trial x species interaction for CP digestibility suggests species differences in CP metabolism. In our experiment, however, the CP content of the hay was greater than the level (around 6Vo) below which CP appears to limit rumen metabolism (Gilchrist and Clark 1957;Glover and Dougall 1960).…”

contrasting

confidence: 52%

Bison and Hereford Steer Digestion of Sedge Hay

Hawley¹,

Peden²,

Stricklin³

1981

Can. J. Anim. Sci.

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contrasting

confidence: 52%

Bison and Hereford Steer Digestion of Sedge Hay

Hawley¹,

Peden²,

Stricklin³

1981

Can. J. Anim. Sci.

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“…It appears that 5% CP is required to maintain cellulose digestion (Gilchrist and Clark 1957). Fiber digestion is reduced in sheep when rations contain less than 5 to 6% CP (Glover and Dougall 1960;Moir and Harris 1962).…”

Section: Comparison Of Bison and Cattle Rumen Functionmentioning

confidence: 99%

Bison and Cattle Digestion of Forages from the Slave River Lowlands, Northwest Territories, Canada

Hawley¹,

Peden²,

Reynolds³

et al. 1981

Journal of Range Management

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Dry matter disappearance (DMD) of native forages collected from the Slave River Lowlands (SRL), Northwest Territories, was consistently greater in bison (Bison bison) than in Hereford cattle (Bos taurus) when measured with a nylon bag technique. Overall average DMD values were 52% and 39% for bison and cattle, respectively. Mean percent DMD values for each plant species were: willow (Salk spp.), 56; slough sedge (Carex atherodes), 50; baltic rush (Juncus balticus), 47; aleppo avens (Geum aleppicum), 44; and northern reedgrass (Calamagrostis inexpansa), 39. Dry matter disappearance was inversely correlated (P < 0.05) with crude fiber content of the sample. Dependence of DMD on crude fiber content was less (P < 0.001) in cattle than in bison. Based on relative digestibilities and data on forage intake, we concluded that slough sedge was the most important bison forage in the study area. Average DMD was 44% greater (P< 0.01) in a Hereford fed hay than in a Hereford fed hay plus a concentrate supplement. There was no difference (DO.05) hi DMD between two bison fed the hay ration and two fed hay plus the supplement. and was chosen to make these comparisons. Materials and Methods Samples of native forages were collected in the SRL in February and June, 1975. Summer samples of willow consisted of approximately equal dry weights of leaves and twigs from the terminal 12 cm of the twigs. Winter willow samples were comprised of twigs only. Herbaceous plant samples included the entire aerial portion of the plant cut at approximately 2 cm above ground. All samples were air-dried and ground through a l-mm mesh screen. Nylon bag digestibility experiments were conducted using two ruminally fistulated adult Hereford cattle and four ruminally fistulated adult bison at the Pawnee Site, International Biological Program, Nunn, Colorado, during Jaquary 1976. One Hereford and two bison were fed crested wheatgrass hay containing 6% crude protein (CP) (Table 1). One Hereford and two bison were fed

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1966

The Rumen and Its Microbes

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The apparent digestibility of the non-nitrogenous components of ruminant feeds

Cited by 14 publications

References 4 publications

Bison and Hereford Steer Digestion of Sedge Hay

Bison and Hereford Steer Digestion of Sedge Hay

Bison and Cattle Digestion of Forages from the Slave River Lowlands, Northwest Territories, Canada

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