Investigation on forage quality of four range species of compositae family (A case study in rangelands of Baft in Kerman province) | ||
| تحقیقات مرتع و بیابان ایران | ||
| Article 4, Volume 25, Issue 4, February 2019, Pages 735-747 PDF (311.76 K) | ||
| Document Type: Research Paper | ||
| DOI: 10.22092/ijrdr.2019.118473 | ||
| Authors | ||
| Pirooz Shakeri* 1; Hasan Fazaeli2; Ahmad Pourmirzaee3; Seyed Hamid Mostafavi4 | ||
| 1Associate professor, Animal Science Research Department, Kerman Agricultural and Natural Resource Research and Education Center, Agricultural Research, Education and Extension Organization (AREEO), Kerman, Iran | ||
| 2Professor, Animal Nutrition Research Department, Animal Science Research Institute of Iran, Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran | ||
| 3Senior Research Expert, Natural Resource Department, Kerman Agricultural and Natural Resource Research and Education Center, Agricultural Research, Education and Extension Organization (AREEO), Kerman, Iran | ||
| 4Academic Member, Agricultural and Natural Resource Research and Education Center, Education and Extension Organization (AREEO), Kerman, Iran | ||
| Abstract | ||
| Determination of rangeland forage quality is an important factor in assessing the nutrition status of livestock dependent on rangeland, determining suitable grazing time, increasing livestock efficacy and less damaging to rangelands. This study was conducted to determine the nutritional value and digestibility of four dominant species of Compositae family in Baft rangelands located in Kerman province. The species including: Artemisia aucheri, Artemisia persica, Scorzonera tortusissimaand Cousina sicigera, which weresampled in phonological stages of vegetative growth, flowering and seeding. The results showed that the mean values of chemical composition of the mentioned species at different growth stages were 9.94, 8.9, 6.21 and 10.40% of crude protein (CP), 45.62, 45.77, 61.07 and 42.83% of NDF and 32.77, 33.05, 46.61 and 31.73% of ADF, respectively. By increasing age of all plant species, CP was decreased (P<0.01) but except for Scorzonera tortusissima, the values of NDF and ADF were increased in other species (P<0.01). The average digestibility of the mentioned species dry matter at vegetative, flowering and seeding stages were 57.41, 53.54, 45.34 and 39.67%, respectively. The average of metabolizable energy (ME) of the mentioned species at vegetative, flowering and seeding stages were estimated to be 2.24, 2.24, 1.86 and 2.26 Cal/g, respectively. The average concentrations of mineral elements such as calcium, sodium, potassium, magnesium, iron and manganese of these four rangeland species were more than the critical requirements of sheep and goat, while the concentrations of phosphorus, copper and zinc in these plants were less than the critical level for sheep and goat requirements. Generally, the four species studied in terms of CP and ME, especially in the early stages of growth, provide the needs of sheep and goats in the region. | ||
| Keywords | ||
| Baft; Chicory; Kerman; forage quality; nutritional value; rangeland | ||
| References | ||
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