THE EFFECT OF AGE AND DIFFERENT PARTS OF THE BODY ON PHYSICOCHEMICAL CHARACTERS OF OSTRICH LEATHER

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SALEHI MAHNAZ; MAGHSOUDI ALI

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Journal: Journal of Animal Production Year:2016 | Volume:18 | Issue:3 Page(s): 625-633

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Title

THE EFFECT OF AGE AND DIFFERENT PARTS OF THE BODY ON PHYSICOCHEMICAL CHARACTERS OF OSTRICH LEATHER

Author(s)

SALEHI MAHNAZ | MAGHSOUDI ALI | Issue Writer Certificate

Keywords

AREAQ2

ASHQ2

EXTESIONQ2

MINERALSQ2

NITROGENQ2

STRENGTHQ2

THICKNESSQ2

Abstract

The aim of the present study was to investigate the physicochemical performances at three sites on skin, namely the diagonal, neck and leg based on different age groups. Eighteen skins pieces in 6 m, 6 m to 1 yr and 1 yr to 1. 5 yr of age were selected to represent means of the respective age groups with regard to skin AREA. The skin AREA were7. 4± 1. 41, 13. 5± 1. 4 and 18. 2± 1. 1 ft2 for the ostriches, respectively. The diagonal region, neck and leg parts were approximately 81. 5, 10. 1 and 8. 4 percent of the skin AREA. The AREAs increased with an increased chronological age at all sites. Average skin AREA increased at a rate of 0. 9 ft2 per each months of age. Average and range of THICKNESS of the leather were 1. 5± 0. 1 (0. 6 to 3. 0) mm, breaking load 22. 2± 3. 3 (4. 9 to 49. 2) kgf, tensile STRENGTH 146. 3± 17. 1 (70. 5 to 269. 7) kgf/cm2, percentage extension 58. 7± 4. 9 (21. 5 to 93. 3) % and density were 0. 6± 0. 05 (0. 4 to 0. 9) g/cm2. It was evident that leather THICKNESS increased with age. A similar tendency was observed for tensile STRENGTH (P<0. 01). Tensile STRENGTH from diagonal, neck and leg parts of the body were 129. 0± 26. 3, 123. 4± 33. 2 and 131. 7± 41. 7 kgf/cm2 respectively which was statistically different (P<0. 05). The overall means of ostrich leather for fat, water soluble material, organic soluble materials, non-soluble sulphate ASH, MINERALS, NITROGEN, protein and pH were 16. 1± 1. 4, 1. 5± 0. 6, 0. 8± 0. 2, 0. 8± 0. 3, 0. 5± 0. 1, 9. 6± 0. 3, 59. 8± 1. 9 and 3. 6± 0. 1 % resectivelly. The leather from legs had more water soluble material, organic soluble materials, non-soluble sulphate ASH and MINERALS (P<0. 05) compared to other regions of body. The amounts of fat in leather of ostrich with 6 month of age in diagonal region, was higher than older ostrich and the other regions of body (P<0. 05). NITROGEN and protein was higher in >12 months of age (P<0. 05) than the younger ostrich. It does, however, exert an important influence on the quality traits that were considered, and needs to be considered in the marketing of ostrich leather.

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APA: Copy

SALEHI, MAHNAZ, & MAGHSOUDI, ALI. (2016). THE EFFECT OF AGE AND DIFFERENT PARTS OF THE BODY ON PHYSICOCHEMICAL CHARACTERS OF OSTRICH LEATHER. JOURNAL OF ANIMAL PRODUCTION (JOURNAL OF AGRICULTURE), 18(3 ), 625-633. SID. https://sid.ir/paper/208924/en

Vancouver: Copy

SALEHI MAHNAZ, MAGHSOUDI ALI. THE EFFECT OF AGE AND DIFFERENT PARTS OF THE BODY ON PHYSICOCHEMICAL CHARACTERS OF OSTRICH LEATHER. JOURNAL OF ANIMAL PRODUCTION (JOURNAL OF AGRICULTURE)[Internet]. 2016;18(3 ):625-633. Available from: https://sid.ir/paper/208924/en

IEEE: Copy

MAHNAZ SALEHI, and ALI MAGHSOUDI, “THE EFFECT OF AGE AND DIFFERENT PARTS OF THE BODY ON PHYSICOCHEMICAL CHARACTERS OF OSTRICH LEATHER,” JOURNAL OF ANIMAL PRODUCTION (JOURNAL OF AGRICULTURE), vol. 18, no. 3 , pp. 625–633, 2016, [Online]. Available: https://sid.ir/paper/208924/en

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