Hide and leather characteristics of afrikaner and friesland bulls and steers slaughtered at various ages between birth and 24 months / Alan E. Russell in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 61 et 62 (Années 1977 et 1978)  

[article]  inJOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 61 et 62 (Années 1977 et 1978) . - p. 1-10 Titre : Hide and leather characteristics of afrikaner and friesland bulls and steers slaughtered at various ages between birth and 24 months Type de document : texte imprimé Auteurs : Alan E. Russell, Auteur ; A. C. Galloway, Auteur ; R. L. Boccard, Auteur ; R. T. Naudé, Auteur Année de publication : 1978 Article en page(s) : p. 1-10 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Bovins -- Races Caractérisation Cuirs et peaux -- Analyse Cuirs et peaux -- Propriétés physiques Cuirs et peaux de bovins Mesures de rendement Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : Investigation of the influence of breed, sex and age factors on hide and leather characteristics indicates that when young Afrikaner and Friesland bulls and steers are reared under intensive feedlot conditions, bulls have a higher yield of green hide mass than steers and exhibit more favourable leather properties than steers, especially with regard to tensile strength in Friesland bulls. With the onset of sexual maturity in bulls after 12 months of age, accompanying changes in leather physical properties were apparent and tensile strength showed a decline particularly in Friesland bull leathers. These changes in hide physical properties appear to parallel increases in the level of natural crosslinking of the collagen molecular structure during ageing and maturation. Main differences between the two breeds studied were that Afrikaner animals were superior in terms of hide and leather yield whereas the leather of Friesland cattle was qualitatively superior. Note de contenu : - EXPERIMENTAL : Yield measurements - Leather physical tests - RESULTS : Yield measurements - Leather physical tests En ligne : https://drive.google.com/file/d/1FtMtn1fZb-Y9MSws82wym_0sEszL0Hjr/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=31844 [article]

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Hide and leather characteristics of afrikaner and friesland bulls and steers slaughtered at various ages between birth and 24 months / Alan E. Russell in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 61, N° 1 (01-02/1977)  

[article]  inJOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 61, N° 1 (01-02/1977) . - p. 1-10 Titre : Hide and leather characteristics of afrikaner and friesland bulls and steers slaughtered at various ages between birth and 24 months Type de document : texte imprimé Auteurs : Alan E. Russell, Auteur ; A. C. Galloway, Auteur ; R. L. Boccard, Auteur ; R. T. Naudé, Auteur Année de publication : 1977 Article en page(s) : p. 1-10 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Bovins -- Races Caractérisation Cuirs et peaux -- Analyse Cuirs et peaux de bovins Mesures de rendement Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : Investigation of the influence of breed, sex and age factors on hide and leather characteristics indicates that when young Afrikaner and Friesland bulls and steers are reared under intensive feedlot conditions, bulls have a higher yield of green hide mass than steers and exhibit more favourable leather properties than steers, especially with regard to tensile strength in Friesland bulls. With the onset of sexual maturity in bulls after 12 months of age, accompanying changes in leather physical properties were apparent and tensile strength showed a decline particularly in Friesland bull leathers. These changes in hide physical properties appear to parallel increases in the level of natural crosslinking of the collagen molecular structure during ageing and maturation. Main differences between the two breeds studied were that Afrikaner animals were superior in terms of hide and leather yield whereas the leather of Friesland cattle was qualitatively superior. Note de contenu : - EXPERIMENTAL : Yield measurements - Leather physical tests - RESULTS : Yield measurements - Leather physical tests En ligne : https://drive.google.com/file/d/1FtMtn1fZb-Y9MSws82wym_0sEszL0Hjr/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=31878 [article]

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