caa a22 4500 388060662 CHVBK 20180307125119.0 cr unu---uuuuu 161130e199804 xx s 000 0 eng 10.1017/S1357729800009553 doi S1357729800009553 pii (NATIONALLICENCE)cambridge-10.1017/S1357729800009553 Changes in adipose tissue accumulation in Rasa Aragonesa breed lambs during growth and fattening [Elektronische Daten] Changes during growth and fattening in the number and size of adipocytes and in the activity of the lipogenic enzymes glycerol 3-phosphate dehydrogenase (G3PDH), fatty acid synthetase (FAS) and lipoprotein lipase (LPL) were studied in perirenal (PR) and subcutaneous (SO adipose depots of 28 male lambs of Rasa Aragonesa Spanish breed. Three groups of animals were slaughtered at: 32 (s.d. 6) (no. = 10), 89 (s.d. 8) (no. = 10) and 120 (s.d. 8) (no. = 8) days of age. A significant increase in the quantity of fat was observed as the age of the lambs increased (P < 0·001). Fat deposition was higher between 89 and 120 days of age. The number of adipocytes in the PR depot did not change but hypertrophy in this depot continued during the whole period studied (P < 0·001). In the SC depot a significant increase in adipocyte volume was only found between 89 and 120 days of age (P < 0·001). The increase in G3PDH activity (which estimates fatty acid esterification) and FAS activity (which estimates fatty acid synthesis) was greater in the final phase of the study. Besides, LPL enzyme activity (which estimates the uptake of plasma fatty acids) increased between 32 and 89 days of age in both depots and between 89 and 120 days in PR depot (P < 0·001). Copyright © British Society of Animal Science 1998 adipocytes nationallicence adipose tissue nationallicence enzyme activity nationallicence lambs nationallicence lipogenesis nationallicence Arana A. ETSIA, Universidad Pública de Navarra, Campus de Arrosadía, 31006 Pamplona, Spain Soret B. ETSIA, Universidad Pública de Navarra, Campus de Arrosadía, 31006 Pamplona, Spain Mendizabal J. A. ETSIA, Universidad Pública de Navarra, Campus de Arrosadía, 31006 Pamplona, Spain Corroza M. ETSIA, Universidad Pública de Navarra, Campus de Arrosadía, 31006 Pamplona, Spain Eguinoa P. ETSIA, Universidad Pública de Navarra, Campus de Arrosadía, 31006 Pamplona, Spain Purroy A. ETSIA, Universidad Pública de Navarra, Campus de Arrosadía, 31006 Pamplona, Spain Animal Science Cambridge University Press 66/2(1998-04), 409-413 1357-7298 66:2<409 1998 66 ASC https://doi.org/10.1017/S1357729800009553 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1017/S1357729800009553 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Arana A. ETSIA, Universidad Pública de Navarra, Campus de Arrosadía, 31006 Pamplona, Spain NATIONALLICENCE 700 1- Soret B. ETSIA, Universidad Pública de Navarra, Campus de Arrosadía, 31006 Pamplona, Spain NATIONALLICENCE 700 1- Mendizabal J. A. ETSIA, Universidad Pública de Navarra, Campus de Arrosadía, 31006 Pamplona, Spain NATIONALLICENCE 700 1- Corroza M. ETSIA, Universidad Pública de Navarra, Campus de Arrosadía, 31006 Pamplona, Spain NATIONALLICENCE 700 1- Eguinoa P. ETSIA, Universidad Pública de Navarra, Campus de Arrosadía, 31006 Pamplona, Spain NATIONALLICENCE 700 1- Purroy A. ETSIA, Universidad Pública de Navarra, Campus de Arrosadía, 31006 Pamplona, Spain NATIONALLICENCE 773 0- Animal Science Cambridge University Press 66/2(1998-04), 409-413 1357-7298 66:2<409 1998 66 ASC CC0 http://creativecommons.org/publicdomain/zero/1.0 nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-cambridge