Sources of variation in fibre production and quality traits source of variation in down-bearing Patagonian goats and implications for developing a cashmere industry

Frank, Eduardo; Hick, Michel Victor Hubert; Russano, D.; Castillo, Marcos; Prieto, Aldo R.; Aisen, E.G.

doi:10.1016/j.smallrumres.2017.03.003

Cited by 10 publications

(14 citation statements)

References 20 publications

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“…A similar dehairing yield of 32.5 (sd: 13.9) % was obtained in a recent population work with fibre from the same origin (Figure 1). 4 The lowest FL is obtained on the run 7 (2.6cm), but in the run 4 the average length is still 3.5cm, close to the industrial optimum which is 3.8cm. With Iranian shearing cashmere a mean fibre length has decreased from 59.8mm (at raw state) to 46.1mm.…”

Section: Resultsmentioning

confidence: 75%

“…3 This is even more difficult, considering that in the case of Argentina, the raw material to be dehaired comes from a sheared fleece, that is, not combed on the goat. 4 In the process of mechanical dehairing of Kazakhstan goat down, the average length of true coarse fibers decreased with each pass and the overall decline was 10.5mm or 25.5%, from the sixth to the eighth-from 36.6 to 32.4mm and thus the short lower level was reached. During processing the average fibers fineness decreased 1.19micrometers or 7.28%.…”

Section: Introductionmentioning

confidence: 96%

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Determination of the optimal number of runs of dehairing in fibers of patagonian cashmere goats

Frank

Hick

et al. 2018

JTEFT

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The AM2 dehairing technology reduces the objectionable fibers content of shorn fleeces. Nonetheless, it also reduces fiber length and the final yield is affected by the successive runs through the dehairing machine, though it allows specifying the number of passes required for each lot. The aim of this work is to establish the number of passes that the machine should make until optimal performance is reached from an objectionable fibers content, fiber length, fiber diameter and yields to dehairing perspective. Work was carried out on fiber sheared from Argentine north Patagonian goats. From each run, samples were extracted for processing at the laboratory, and measurements comprised: yield to dehairing (%Y), objectionable fiber content (w/w) (FOC), average fiber length (FL) and average fiber diameter (FD).I t was concluded that the lowest %Y was obtained in run 10, the minimum FOC in run 6, the lowest FL in run 7 (2.6cm) and the lowest FD in run 5 (18.1microns). It is concluded that, if 4 runs are assumed to be optimal to obtain less than 1% of objectionable fibers, a %Y: 35 -37%, FOC: 0.2%, FL: 3.5cm and FD: 18.3µm would be obtained.Citation: Frank EN, Hick MVH, Castillo MF, et al. Determination of the optimal number of runs of dehairing in fibers of patagonian cashmere goats.

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Section: Resultsmentioning

confidence: 75%

Section: Introductionmentioning

confidence: 96%

Determination of the optimal number of runs of dehairing in fibers of patagonian cashmere goats

Frank

Hick

et al. 2018

JTEFT

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“…The types of cover or types of fleece have been identified in various species and breeds [1] and described in various works in cashmere-producing criollo goats [2], in alpacas [3] and in argentine Llamas [4,5]. The types of fleeces are made up of different types of fibers and at different frequencies within fiber types, in Llamas of Argentina [4].…”

Section: Introductionmentioning

confidence: 99%

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2019

JTSFT

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“…Although in Argentina, the goat fiber of Angora (Mohair) is widely known, the same information on the production of fiber from the double coated Creole "hairy"goat of northern Patagonia, which could be generically be referred as Cashemere and other names such as Cashgora [1] is not available. However, the name Cashmere results from an arbitrary textile definition and does not correspond to a biological-productive base, although Australian studies confirm that the diameter of cashmere ranges from 13.6 to 19.2µm and cashgora from 17.8 to 22.7µm [2].…”

Section: Introductionmentioning

confidence: 99%

“…As part of this study, the quality of fiber produced by these populations and its possible industrialization in the Country was established. The presence of different types of fleeces (long Cashemere, short Cashemere, Intermediate Cashmere, Cashgora and Mohair) was determined as well as degrees of fineness according to different classification criteria and also fiber lengths [1].…”

Section: Introductionmentioning

confidence: 99%

Characterization of Non-Angora (´Creole Hairy´) Goat´s Fiber from the Northern Patagonia Area of Argentina. Potential Textile use as Patagonian Cashmere/h2>

2019

CTFTTE

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The fiber produced by the regional Creole goat from the northern area of Patagonia is little known, both within the Country and in the international market. The objective of this work is to characterize the textile quality of this goat fiber in relation to similar fibers coming from other parts of the world, and validate its textile potential use named us Patagonian cashmere. Samples from 4 different zones were analyzed and classified by morphological types such as long cashmere (CA), short cashmere (CC), intermediate cashmere (CI), cashgora (CG) and lustre (L). In turn, the average diameter of the fine fiber was determined and 3 types were classified by fineness: H (<16.5µm), W (16.6-18.6µm) and S (>18.6µm). Frequencies were established and compared by contingency tables. The most significant types are CA with respect to all, CG and CI are not different from each other, but different from the rest and CC and L have the lower frequency. The significantly more frequent fineness is S and there are no significant frequency differences between H and W. The diameter distribution profiles allow us to infer that the fibre examined in this study corresponds to 40% of the type known as cashmere in the international market. The rest of the fibre studied has a diameter slightly coarser than 19µm, but also shows an important textile potential, due to its softness and by being predominantly white in colour.

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Sources of variation in fibre production and quality traits source of variation in down-bearing Patagonian goats and implications for developing a cashmere industry

Cited by 10 publications

References 20 publications

Determination of the optimal number of runs of dehairing in fibers of patagonian cashmere goats

Determination of the optimal number of runs of dehairing in fibers of patagonian cashmere goats

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Characterization of Non-Angora (´Creole Hairy´) Goat´s Fiber from the Northern Patagonia Area of Argentina. Potential Textile use as Patagonian Cashmere/h2>

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