CHEMICAL COMPOSITION AND NUTRITIVE VALUE OF HAMADANI ALFALFA IN DIFFERENT CUTTINGS AND GROWTH STAGES

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TABATABAEI M.M.; ZABOLI KH.; HOJAT HASAN; AHMADI AHMAD

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Journal: AGRICULTURAL RESEARCH Year:2005 | Volume:5 | Issue:1 Page(s): 30-41

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Information Journal Paper

Title

CHEMICAL COMPOSITION AND NUTRITIVE VALUE OF HAMADANI ALFALFA IN DIFFERENT CUTTINGS AND GROWTH STAGES

Author(s)

TABATABAEI M.M. | ZABOLI KH. | HOJAT HASAN | AHMADI AHMAD | Issue Writer Certificate

Keywords

HAMADAN ALFALFAQ3

CHEMICAL COMPOSITIONQ4

NUTRITIVE VALUEQ3

DIGESTIBILITYQ3

Abstract

This study was carried out to investigate the trend of change in agronomic traits (plant height, dry matter accumulation), CHEMICAL COMPOSITION (DM, OM, CP, CF and ash percentage) and also in vivo NUTRITIVE VALUE of HAMADAN ALFALFA at different cuttings and growth stages. Sampling was done in a three years old alfalfa field, the field was plotted on the basis of different growth stages (early blooming, full blooming, early flowering and full flowering) in a randomized complete block design. The results showed that at all growth stages, plant height in early cuttings was more than last cutting and the difference was statistically significant (P<0.05). Dry matter accumulation in second and third cuttings of a specific growth stage showed no significant difference, but, the difference between early cuttings and the last cutting \yas significant (P<0.05). Crude protein percentage of the whole plant decreased with the advance of growth stage but different cuttings taken at each specific growth stage showed no significant differences in this respect. There was an increase in crude fiber percentages of the whole bush, leaf and stem with the advance of age. The value of CF in second cutting from 19.1% at early flowering reached to 27.24% at full flowering. Also, crude fiber percentage of stem at each growth stage was significantly higher (P<0.05) in second cutting compared to third and fourth cuttings. Percentage of ash showed no significant changes between different growth 'stages and cuttings. DIGESTIBILITY coefficients of all the nutrients and energy yielding value of alfalfa (on the basis of total digestible nutrients) decreased with the advance of growth stage. DIGESTIBILITY of DM in second cutting decreased from 63.82% at early blooming stage to 60.0% at full flowering stage. Total digestible nutrients at early blooming stage in second, third and fourth cuttings was 0.63, 0.61 and 0.62 kg, respectively and at full flowering stage in both second and third cuttings it was 0.58 kg. It was concluded the with the progress in growth stage dry matter and crude fiber increase while crude protein and its energy yielding value decrease, but, the amount and the trend of this reduction vary at different growth stages.

Cites

THE EFFECT OF INVIRONMENTAL TEMPERATURE VARIATION ON NUTRIENT DIGESTIBILITY OF RATIONS CONTAINING DIFFERENT LEVELS OF BARLEY IN MEHRABAN SHEEP

References

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APA: Copy

TABATABAEI, M.M., ZABOLI, KH., HOJAT, HASAN, & AHMADI, AHMAD. (2005). CHEMICAL COMPOSITION AND NUTRITIVE VALUE OF HAMADANI ALFALFA IN DIFFERENT CUTTINGS AND GROWTH STAGES. AGRICULTURAL RESEARCH, 5(1), 30-41. SID. https://sid.ir/paper/84842/en

Vancouver: Copy

TABATABAEI M.M., ZABOLI KH., HOJAT HASAN, AHMADI AHMAD. CHEMICAL COMPOSITION AND NUTRITIVE VALUE OF HAMADANI ALFALFA IN DIFFERENT CUTTINGS AND GROWTH STAGES. AGRICULTURAL RESEARCH[Internet]. 2005;5(1):30-41. Available from: https://sid.ir/paper/84842/en

IEEE: Copy

M.M. TABATABAEI, KH. ZABOLI, HASAN HOJAT, and AHMAD AHMADI, “CHEMICAL COMPOSITION AND NUTRITIVE VALUE OF HAMADANI ALFALFA IN DIFFERENT CUTTINGS AND GROWTH STAGES,” AGRICULTURAL RESEARCH, vol. 5, no. 1, pp. 30–41, 2005, [Online]. Available: https://sid.ir/paper/84842/en

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