Scuola di Bioscienze e Medicina Veterinaria

Matelica, Italy

Scuola di Bioscienze e Medicina Veterinaria

Matelica, Italy

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Menchetti L.,University of Perugia | Brecchia G.,University of Perugia | Canali C.,University of Perugia | Cardinali R.,University of Perugia | And 3 more authors.
Research in Veterinary Science | Year: 2015

This study examined the effects of food restriction during rabbit pregnancy on hormones and metabolites involved in energy homeostasis and metabolic programming. Pregnant does were assigned to four groups: the control group was fed a standard ration while the others received a restricted amount of food (30% restriction) during early (0-9 days), mid (9-18 days), and late (19-28 days) pregnancy. The pregnancy induced a coordinated range of adaptations to fulfil energy requirements of both mother and foetus, such as hyperleptinaemia and hyperinsulinaemia, reduced insulin sensitivity, increased cortisol and non-esterified fatty acid. Food restriction altered leptin, insulin, T3, non-esterified fatty acids and glucose concentrations depending on the gestational phase in which it was applied. Collectively, present data confirm that the endocrinology of pregnancy and the adaptive responses to energy deficit make the rabbit an ideal model for studying nutritional-related disorders and foetal programming of metabolic disease. © 2014 Elsevier Ltd.


Polidori P.,University of Camerino | Pucciarelli S.,Scuola di Bioscienze e Medicina Veterinaria | Ariani A.,Scuola di Bioscienze e Medicina Veterinaria | Polzonetti V.,Scuola di Bioscienze e Medicina Veterinaria | Vincenzetti S.,Scuola di Bioscienze e Medicina Veterinaria
Meat Science | Year: 2015

The effects of slaughter age (8 vs 12. months) were investigated on meat and carcass quality obtained from Martina Franca donkey foals. Sixteen male foals were used, eight were slaughtered at 8. months of age with a mean (±. s.e.) final body weight of 101. ±. 18. kg and the remaining 8 foals slaughtered at 12. months of age with a mean final body weight of 122. ±. 13. kg.Carcass weight and dressing percentage were higher (. P<. 0.05) in older foals. Shear force value was lower (. P<. 0.05) in donkeys slaughtered at 8. months of age (54.03. N) compared to the same muscle Longissimus Thoracis et Lumborum (LTL) collected in older animals (62.66. N). Muscle glycogen content was higher (. P<. 0.05) in foals slaughtered at 12. months of age. Donkey foal meat showed an interesting content of essential amino acids and a notable percentage of unsaturated fatty acids in both groups of animals, giving a high nutritional value to this alternative red meat. © 2015 Elsevier Ltd.


Polidori P.,University of Camerino | Ariani A.,Scuola di Bioscienze e Medicina Veterinaria | Micozzi D.,Scuola di Bioscienze e Medicina Veterinaria | Vincenzetti S.,Scuola di Bioscienze e Medicina Veterinaria
Meat Science | Year: 2016

The effects of early post-mortem low voltage electrical stimulation (28 V, 60 Hz) on biochemical changes and on final tenderness in Longissimus Thoracis et Lumborum (LTL) muscle fromdonkey carcasses was studied. ES significantly accelerated the glycolytic process only during the first hours post-mortem,with a faster pH fall at 1, 3 and 6 h post-mortem, and a reduction in ATP content at 3 and 6 h post-mortem. The activities of μ-calpain and calpastatin were reduced (P < 0.05) by the treatment in the first 6 h post-mortem. Tenderness was improved (P < 0.05) at 4 and 7 days post-mortem by the application of ES.Muscle colour (L*)was lighter (P < 0.05) in stimulated carcasses. © 2016 Elsevier Ltd.


PubMed | University of Perugia and Scuola di Bioscienze e Medicina Veterinaria
Type: | Journal: Research in veterinary science | Year: 2015

This study examined the effects of food restriction during rabbit pregnancy on hormones and metabolites involved in energy homeostasis and metabolic programming. Pregnant does were assigned to four groups: the control group was fed a standard ration while the others received a restricted amount of food (30% restriction) during early (0-9days), mid (9-18days), and late (19-28days) pregnancy. The pregnancy induced a coordinated range of adaptations to fulfil energy requirements of both mother and foetus, such as hyperleptinaemia and hyperinsulinaemia, reduced insulin sensitivity, increased cortisol and non-esterified fatty acid. Food restriction altered leptin, insulin, T3, non-esterified fatty acids and glucose concentrations depending on the gestational phase in which it was applied. Collectively, present data confirm that the endocrinology of pregnancy and the adaptive responses to energy deficit make the rabbit an ideal model for studying nutritional-related disorders and foetal programming of metabolic disease.


PubMed | Scuola di Bioscienze e Medicina Veterinaria and University of Camerino
Type: | Journal: Meat science | Year: 2015

The effects of slaughter age (8 vs 12 months) were investigated on meat and carcass quality obtained from Martina Franca donkey foals. Sixteen male foals were used, eight were slaughtered at 8 months of age with a mean (s.e.) final body weight of 10118kg and the remaining 8 foals slaughtered at 12 months of age with a mean final body weight of 12213kg. Carcass weight and dressing percentage were higher (P<0.05) in older foals. Shear force value was lower (P<0.05) in donkeys slaughtered at 8 months of age (54.03N) compared to the same muscle Longissimus Thoracis et Lumborum (LTL) collected in older animals (62.66N). Muscle glycogen content was higher (P<0.05) in foals slaughtered at 12months of age. Donkey foal meat showed an interesting content of essential amino acids and a notable percentage of unsaturated fatty acids in both groups of animals, giving a high nutritional value to this alternative red meat.

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