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Investigating the benefits of using different levels of concentrate in the diet of male Raeinian goat kids | ||
| علوم و فنون دامپروری | ||
| Volume 10, Issue 38, June 2021, Pages 41-50 PDF (1.76 M) | ||
| Document Type: Research Paper | ||
| DOI: 10.22092/aasrj.2021.354271.1231 | ||
| Authors | ||
| hossein gholami* ; Mohammad Babaei | ||
| محقق بازنشسته | ||
| Abstract | ||
| The aim of this experiment was to determine the effect of different levels of concentrate in the diet on growth performance, feed intake and ultimately the benefit of fattening male kids in the Iranian Research Institute of Animal Sciences. This study was performed on 75 male Raeinian goat kids with 17.5 ± 2 average weight. Experiment was conducted in a completely randomized design with five treatments (diets) and 15 replicates. Diets were prepared in cubic form and were fed four times a day. By increasing the level of concentrate in experimental goat’s diet, dry matter intake increased and feed conversion ratio decreased. Daily weight gain increased with increasing the concentrate in the diets. Carcass weight and carcass percentage increased with increasing concentrate in the diet, with a significant difference in carcass weight. Economic comparison of rations for net gain from daily weight gain showed that with increasing the concentrate in the diets (with March 1398 price data), the rate of gain increased, with the difference between rations being significant and increasing. When concentrate in the diet increased from 45% to 90%, the daily benefit of weight gain increased from 13301 to 34631 rials. The results of this study showed that adding concentrate to the diet of male fattened goats improved growth performance, carcass percentage, and the net benefit of daily weight gain. Therefore, a diet containing 90% concentrate for fattening of male Raeinian goat kids can be used. | ||
| Keywords | ||
| Dry matter intake; Feed conversion factor; Economic review; Net benefit of daily weight gain | ||
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