THE EFFECT OF DIFFERENT STAGES OF GROWTH ON FEEDING VALUE OF HAMEDANI ALFALFA IN THE SECOND CUTTING

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TABATABAEI M.M.; HOJAT H.; ZABOLEI KH.; ARABI H.A.; SAKI A.A.; HOJBARI F.

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Journal: Year:2005 | Volume:18 | Issue:2 (67 IN ANIMAL AND FISHERIES SCIENCES) Page(s): 62-67

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Title

THE EFFECT OF DIFFERENT STAGES OF GROWTH ON FEEDING VALUE OF HAMEDANI ALFALFA IN THE SECOND CUTTING

Author(s)

Keywords

HAMEDANQ3

ALFALFAQ3

GROWTH STAGESQ2

AGRONOMIC TRAITSQ2

CHEMICAL COMPOSITION AND DIGESTIBILITYQ4

Abstract

This experiment was carried out to study variations in some of the AGRONOMIC TRAITS and feeding value of HAMEDANi cultivar of ALFALFA during different stages of growth in the second cutting. Plant height, dry matter and leaf to stem ratio were measured and the chemical composition of samples taken during different stages of growth (prebudding, initial budding, full budding, initial blooming and full blooming) was determined by approximate analysis. Digestibility of dry ALFALFA in the stages of initial budding, initial blooming and full blooming was measured by In vivo method using four Mehraban male lambs. An average plant height of 24.36 centimeters in prebudding stage reached 60.18 centimeters in full blooming stage. Plant height differences between the stages of growth was statistically significant (p<%5). Dry matter percentage of the whole plant increased with the advancement of GROWTH STAGES and changed from 20.18 ercent in prebudding stage to 27.10 percent in full blooming stage with an statistically significant difference (p<% 5). Dry matter percentage of leaf and stem showed a variation similar to the whole plant. The highest amount of organic matter in the whole plant was 90.47 percent in initial blooming stage and the lowest amount was 89.62 percent in full blooming stage, but the difference was not statistically significant. The highest amount of crude protein in the whole plant (23.79 percent) was observed in the first growth stage (prebudding) and the lowest amount (17.06 percent) in the last growth stage (full blooming) with an statistically significant difference (p<% 5). The amount of crude protein in stem and leaf showed a similar trend with the advancement of plant age. Percentage of crude fiber in the whole plant increased with the advancement of age and changed from 20.12 percent in prebudding stage to 27.50 percent in full blooming stage with an statistically significant difference (p<% 5). Percentage of dry matter digestibility decreased from 62.78 percent in prebudding stage to 59.10 percent in full blooming stage but the difference was not statistically significant. A similar trend was observed for digestibility of crude protein. Digestibility of crude fiber showed no distinct trend and no significant differences were observed, however, the highest amount of digestibility was observed in initial blooming stage (57.81 percent) and the lowest amount in initial budding stage (53.02 percent). ALFALFA energy yielding value based on total digestible nutrients (TDN) decreased with the advancement of age and changed from 61 percent in initial budding stage to 58 percent in full blooming stage but the difference was not statistically significant. On the basis of the results obtained, it seems that in order to produce feedstuff with acceptable quality and quantity, cutting ALFALFA between initial bloom (%10 flowering) and full bloom (% 50 flowering) stages will improve the yield per hector.

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APA: Copy

TABATABAEI, M.M., HOJAT, H., ZABOLEI, KH., ARABI, H.A., SAKI, A.A., & HOJBARI, F.. (2005). THE EFFECT OF DIFFERENT STAGES OF GROWTH ON FEEDING VALUE OF HAMEDANI ALFALFA IN THE SECOND CUTTING. PAJOUHESH-VA-SAZANDEGI, 18(2 (67 IN ANIMAL AND FISHERIES SCIENCES)), 62-67. SID. https://sid.ir/paper/18817/en

Vancouver: Copy

TABATABAEI M.M., HOJAT H., ZABOLEI KH., ARABI H.A., SAKI A.A., HOJBARI F.. THE EFFECT OF DIFFERENT STAGES OF GROWTH ON FEEDING VALUE OF HAMEDANI ALFALFA IN THE SECOND CUTTING. PAJOUHESH-VA-SAZANDEGI[Internet]. 2005;18(2 (67 IN ANIMAL AND FISHERIES SCIENCES)):62-67. Available from: https://sid.ir/paper/18817/en

IEEE: Copy

M.M. TABATABAEI, H. HOJAT, KH. ZABOLEI, H.A. ARABI, A.A. SAKI, and F. HOJBARI, “THE EFFECT OF DIFFERENT STAGES OF GROWTH ON FEEDING VALUE OF HAMEDANI ALFALFA IN THE SECOND CUTTING,” PAJOUHESH-VA-SAZANDEGI, vol. 18, no. 2 (67 IN ANIMAL AND FISHERIES SCIENCES), pp. 62–67, 2005, [Online]. Available: https://sid.ir/paper/18817/en

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