Effects of using siris (Albizia lebbeck) foliage in the diet of fattening lambs on nutrient digestibility, blood and rumen parameters, growth performance, and meat quality characteristics
2022
Ardeshiri, Hadi | Chaji, Morteza | Khorasani, Omid
This study aimed to investigate the effect of substitution of siris foliage with alfalfa forage in the diet of fattening lambs on digestibility, fermentation, and growth performance of fattening lambs. In the present experiment, 27 8-month-old Arabi lambs (31.3 ± 6) with an initial weight of 28.8 ± 1.99 kg were used in a completely randomized design. The effect of experimental diets on dry matter intake was not significant; however, the diets had a significant effect on the intake of neutral detergent fiber (NDF), acid detergent fiber (ADF), and crude protein (P < 0.05). The effect of experimental diets on the apparent digestibility of dry matter, organic matter, NDF, ADF, and crude protein was not significant (P < 0.05). Ammonia nitrogen concentration, pH, and a total population of ruminal fluid protozoa and blood parameters were not affected by experimental diets. Parameters of fattening performance such as feed intake, live weight changes, feed conversion ratio, some carcass traits such as mean weight and size of carcass parts, and colorimetric indices of muscle tissue in the order of fattening lambs were not affected by experimental diets. The use of foliage of siris in the diet of fattening lambs as a substitute with part of alfalfa had no adverse effect on the characteristics studied in the present experiment. Therefore, siris be recommended as part of the diet of fattening lambs.
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