Feeds and Feeding

Morrison, F. B.

doi:10.1097/00010694-193611000-00008

Cited by 568 publications

(95 citation statements)

References 0 publications

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“…Chez les deux races encore, I'accroissement du rapport ensilage:foin et de la teneur 6nerg6tique de la ration a entrain6 celui du rendement, alors que l'accroissement du rapport fourrages grossiers:concentr6s abaissait h la fois le renclement et la teneur en MG (P < .01). Morrison (1956 For personal use only. representrng partial regressions on silage:hay ratio (,rr), roughage:meal ratio (x2) and energy concentratlon (x3), defined as the ratio of total net energy fed to the total amount of silage, hay and meal fed, were included.…”

mentioning

confidence: 99%

A Dairy Records Study of the Effects of Feeding Levels on Milk Yield and Composition

Tong¹,

Kennedy²,

Moxley³

1976

Can. J. Anim. Sci.

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mentioning

confidence: 99%

A Dairy Records Study of the Effects of Feeding Levels on Milk Yield and Composition

Tong¹,

Kennedy²,

Moxley³

1976

Can. J. Anim. Sci.

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“…New (Fitzgerald and Black 1984;Najda 1991). The agronomic practices and the potential of root and other crops for grazing use has been reviewed by Woll (1916) and Morrison (1961). Woll (1916) concluded that fodder corn would produce about 50% more DM and 20% more digestible DM per hectare than root crops at onehalf the cost of, harvested and stored root crops.…”

Section: Milletsmentioning

confidence: 99%

Potential of warm-season annual forages and Brassica crops for grazing: A Canadian Review

McCartney¹,

Fraser²,

Ohama³

2009

Can. J. Anim. Sci.

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. 2009. Potential of warm-season annual forages and Brassica crops for grazing: A Canadian Review. Can. J. Anim. Sci. 89: 431Á440. Extension of the grazing season beyond the normal perennial grazing season has been identified as a potential mechanism to reduce the cost of production on Canadian cow-calf operations. This review will provide an overview of the potential use of warm-season and Brassica crops including corn (Zea mays), Golden German foxtail millet (Setaria italica L. Beauv.), kale (Brassica oleracea L.), forage rape (B. napus ssp. biennis L.) and turnip (B. rapa L.). These crops have a high yield potential, but the cost for grazing these crops has not been adequately compared with the cost of grazing oat (Avena sativa L.), barley (Hordeum vulgare L.), and fall rye (Secale cereale L.). There are very few actual animal grazing trials evaluating the economics of using these crops in grazing systems in Canada, and this requires further research. Since the early 1900s, cow-calf producers have grazed annual crops as an alternative to deal with drought and perennial pasture shortage as a means of lowering their annual costs. Extension of the grazing season beyond the normal perennial grazing season is an alternative low-cost method. A previous review (McCartney et al. 2008) summarized the potential of annual cool season cereal crops for grazing. There has been considerable interest in evaluating the grazing potential of warmseason annual crops for their suitability in extending the grazing season in Canada because warm-season annuals tend to be seeded later and vary in days to maturity (May et al. 2007). This could be advantageous in a grazing system for extending the grazing season. This review summarizes warm-season and Brassica crops that show promise in grazing systems that are applicable to Canadian conditions. As limited published research on this grazing method can be found, historical information from other types of research summaries will be included as the information still has value.

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“…In Table 3 the average requirements of the cattle in the present trial for each element have been computed from data supplied by the Agricultural Research Council (1965) of the U.K., the National Research Council (1956) of the U.S., and Morrison (1957). These are compared with the actual intakes of each element expressed both as means for the 32-week trial period and as the range in intake between weeks.…”

Section: Herbage Compositionmentioning

confidence: 99%

“…chosen by the National Research Council (1956), and apparently based on the work of Converse (1954), or the figure of 10 g Ca per 1,000 lb L.W. used by Morrison (1957). Discrepancies are largely associated with differences in the accepted values of the percentage availability of feed Ca for milk production.…”

Section: Calciummentioning

confidence: 99%

“…For the Agricultural Research Council, these are based on endogenous losses of P as determined by Kleiber, Smith, Ralston, and Black (1951) and assumed a true availability for P consumed of 55%. Both the National Research Council (1956) tables and those of Morrison (1957) recommend 1 g of dietary P per 100 lb L.W. as adequate for maintenance, and this implies that the percentage availability is appreciably higher than 55%.…”

Section: Phosphorusmentioning

confidence: 99%

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Studies of the nutritive value of New Zealand dairy pastures

Hutton¹,

Jury²,

Davies³

1967

New Zealand Journal of Agricultural Research

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The results of 89 mineral balance trials are reported, in which the intake and utilisation of potassium, sodium, calcium, phosphorus, and nitrogen have been examined with lactating dairy cows fed exclusively on fresh pasture herbage.Between September 1959 and April 1960 six Jersey crossbred cattle were stall-fed measured quantities of freshly cut herbage. The period covered by the trial extended from approximately the 10th week after calving until the cows were dried off.Excretion of each element was measured by total collection, representative sampling, and analysis of the dung and urine voided and the milk secreted. The mean intake of each element, the amounts voided in the milk, dung, and urine, and the amount of each retained, expressed in g per week, were as follows:- IMean availabilities of each element were: K, 88%; Na, 67%; Ca, 22%; P, 34%; N, 740/". Availability varied markedly between weeks and between animals, variation being greatest for Na and P. To assess the adequacy of the pasture herbages examined as sources of each element, intakes were compared with requirements derived from standard feeding tables. The only evidence of inadequate supply was of P, during a relatively short period in midsummer. Methods of deriving the maintenance requirements of these elements have been compared and discussed, and the results from the present trial are considered particularly in relation to the nature of the herbage fed and the chemical composition of herbages reported in previous studies.

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Feeds and Feeding

Cited by 568 publications

References 0 publications

A Dairy Records Study of the Effects of Feeding Levels on Milk Yield and Composition

A Dairy Records Study of the Effects of Feeding Levels on Milk Yield and Composition

Potential of warm-season annual forages and Brassica crops for grazing: A Canadian Review

Studies of the nutritive value of New Zealand dairy pastures

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