+ Site Statistics
+ Search Articles
+ PDF Full Text Service
How our service works
Request PDF Full Text
+ Follow Us
Follow on Facebook
Follow on Twitter
Follow on LinkedIn
+ Subscribe to Site Feeds
Most Shared
PDF Full Text
+ Translate
+ Recently Requested

Estimation of the digestibility of feedingstuffs with the help of plant pigments that are present in the feed. 1. General considerations and colorimetry



Estimation of the digestibility of feedingstuffs with the help of plant pigments that are present in the feed. 1. General considerations and colorimetry



Centraal Inst. Landbouwk. Onderzoek, Overdruk. (1954). 213-214, 155-160



An extract of grass made with 85 per cent. acetone has 2 maxima in the absorption spectrum, at 433 and 665 m micro. When oxalic acid, 0.03 M, is added to the acetone, the extract is green and the absorption maxima are at 412 and 666 m micro., which correspond to phaeophytin. Similar extracts of faeces showed maxima at 414 and 665 m micro. with acetone alone, and oxalic acid increased the optical density at 414 m micro.

Please choose payment method:






(PDF emailed within 1 workday: $29.90)

Accession: 013702640

Download citation: RISBibTeXText


Related references

Estimation of the digestibility of feedingstuffs with the help of plant pigments that are present in the feed. 3. Plant pigments in grass and in faeces of cattle. Centraal Inst. Landbouwk. Onderzoek, Overdruk. (1955). 275-276, 219-223, 1954

Estimation of the digestibility of feedingstuffs with the help of plant pigments that are present in the feed. 2. Applications. Centraal Inst. Landbouwk. Onderzoek, Overdruk. (1954). 213-214, 160-166, 1953

Estimation of the digestibility of feedingstuffs with the help of plant pigments that are present in the feed. 4. Application to grazing cattle. Centraal Inst. Landbouwk. Onderzoek, Overdruk. (1955). 275-276, 224-228, 1954

Estimation of pigments in homegrown feedingstuffs. Arch. Tierernahrung. 4: 357-363, 1955

A new method for indirect calorimetric estimation of lignin in feedingstuffs. 2. General applicability and reproducibility of the method with different feedingstuffs. Arch. Tierernahrung. 19: 281-288, 1969

Estimation of digestibility of feedingstuffs in vitro. 1. Studies of method. Archiv fur Tierernahrung 21(8/9): 659-684, 1971

Tropical bovine nutrition under extensive saharam range conditions: measurement of intake and estimation of digestibility and feed valve of forages. III. Comparison of 5 methods of estimating digestibility of livestock feed (dry forages). Revue d'Elevage et de Medecine Veterinaire des Pays Tropicaux 29(3): 247-257, 1976

Estimation of the coefficent of digestibility of carbohydrate and nitrogenous matter in feedingstuffs from the lignin ratio. Izv. Akad. Nauk Armjansk. SSR, Biol. Nauki. 13: 1, 23-31, 1960

A comparison of direct colorimetry of titanium pigments with their indirect colorimetry based on spectrophotometry and a standard observer. Journal of Research of the National Bureau of Standards 43(3): 227-235, 1949

The estimation of the digestibility and metabolizable energy content of ruminant feedingstuffs from the gas production when they are incubated with rumen liquor in vitro. Journal of Agricultural Science 93(1): 217-222, 1979

The estimation of protein constituents in feedingstuffs. 1. Estimation of tryptophan in feedingstuffs. Hoppe-Seyler's Ztschr 289: 211-217, 1952

Pectins as components of feedingstuffs. 2. Estimation of digestibility and nutritive value of pectins. Arch. Tierernahrung. 14: 197-212, 1964

Effect of plant wall substances on digestibility of feedingstuffs with special reference to cell constituents from the formic acid procedure. Thesis, Christian-Albrechts-Univ., Kiel. 64+vii, 1963

Estimation of total, protein and sulphate sulphur in plant feedingstuffs. Ztsc.hr. Tierernahrung Futter. mittelk 10: 25-31, 1955

Tropical bovine nutrition under extensive saharam range conditions: measurement of intake and estimation of digestibility and feed value of forages. II. Note concerning the results of a first series of "digestibility in vivo" in sheep. Revue d'Elevage et de Medecine Veterinaire des Pays Tropicaux 29(3): 233-246, 1976