Affiliation: Institut National de la Recherche Agronomique
- Energy value of pig feeds: effect of pig body weight and energy evaluation systemJ Noblet
INRA UMRVP, Domaine de la Prise, 35590 St Gilles, France
J Anim Sci 82:E229-238. 2004..In conclusion, a satisfactory characterization of the energy value of feeds should be based on their NE content. Factors affecting nutrients digestibility (e.g., BW and feed processing) should also be taken into account...
- Major determinants of fasting heat production and energetic cost of activity in growing pigs of different body weight and breed/castration combinationJ van Milgen
Institut National de la Recherche Agronomique, Station de Recherches Porcines, Saint Gilles, France
Br J Nutr 79:509-17. 1998..91 (FHPactivity (kJ/h activity) = 21.0(muscle)0.91). Physical activity represented less than 10% of the total heat production in fasting growing pigs housed alone in metabolic cages and kept in a quiet environment...
- Acclimation to high ambient temperature in Large White and Caribbean Creole growing pigsD Renaudeau
Unité de Recherches Zootechniques, INRA, 97170 Petit Bourg, Guadeloupe, French West Indies, France
J Anim Sci 85:779-90. 2007..39 vs. 0.93 d in Exp. 1 and 2, respectively; P < 0.05). In conclusion, this study suggests that short- and long-term physiological reactions during heat acclimation differed when CR and LW pigs were compared at the same age or BW...
- Effects of dietary fiber on performance of multiparous lactating sows in a tropical climateD Renaudeau
Institut National de la Recherche Agronomique, Unité de Recherches Zootechniques 97170 Petit Bourg, Guadeloupe, French West Indies, France
J Anim Sci 81:717-25. 2003..In conclusion, the hot season in humid tropical climates, which combines high levels of temperature and humidity, has a major negative effect on the performance of lactating sows...
- Genetic parameters for residual feed intake in growing pigs, with emphasis on genetic relationships with carcass and meat quality traitsH Gilbert
INRA, UR337 Génétique Quantitative et Appliquée, 78352 Jouy en Josas, France
J Anim Sci 85:3182-8. 2007..77 +/- 0.14 between RFI2 and a meat quality index intended to predict the ratio of the weight of ham after curing and cooking to the weight of defatted and boneless fresh ham)...
- Energetic efficiency of starch, protein and lipid utilization in growing pigsJ van Milgen
INRA, Unité Mixte de Recherches sur le Veau et le Porc, 35590 Saint Gilles, France
J Nutr 131:1309-18. 2001..842, 0.520 and 0.883 for starch, protein and lipid, respectively. Due to the energy cost of protein deposition (or protein turnover), the energetic efficiencies of depositing dietary protein as protein or lipid were similar...
- Relative development of subcutaneous, intermuscular, and kidney fat in growing pigs with different body compositionsM Kouba
ENSAR, Rennes, France
J Anim Sci 77:622-9. 1999..The present results suggest that 1) the genetic controls of the development of intermuscular and subcutaneous fat are partially independent and 2) the development of intermuscular fat may be determined at an early stage, before 20 kg BW...
- Metabolic utilization of energy and maintenance requirements in growing pigs: effects of sex and genotypeJ Noblet
Station de Recherches Porcines, Institut National de la Recherche Agronomique, St Gilles, France
J Anim Sci 77:1208-16. 1999..70 power) than did muscle. Even though the muscle mass exceeds to a large extent the visceral mass in animals, the contribution of muscle to MEm was lower than that of viscera for most groups...
- Effects of exposure to high ambient temperature and dietary protein level on performance of multiparous lactating sowsD Renaudeau
Station de Recherches Porcines-Institut National de la Recherche Agronomique, Saint Gilles, France
J Anim Sci 79:1240-9. 2001..At any ambient temperature, N excretion can be markedly reduced...
- Influence of Carnichrome on the energy balance of gestating sowsM G Young
Department of Animal Sciences and Industry, College of Veterinary Medicine, Kansas State University, Manhattan, KS 66506 0210, USA
J Anim Sci 82:2013-22. 2004..30 kJ/(kg BW0.75 x min). In conclusion, Carnichrome had no effect on the components of heat production and maternal weight gain during gestation, although it improved energy and organic matter digestibility of the diet...
- Effects of breed and season on performance of lactating sows in a tropical humid climateJ L Gourdine
Institut National de la Recherche Agronomique, Station de Recherches Zootechniques, 97170 Petit Bourg, Guadeloupe, F W I, France
J Anim Sci 84:360-9. 2006..The results also suggest that CR sows are more heat tolerant than LW sows...
- Effects of season and breed on the feeding behavior of multiparous lactating sows in a tropical humid climateJ L Gourdine
Station de Recherches Zootechniques, Institut National de la Recherche Agronomique, 97170 Petit Bourg, Guadeloupe, F W I, France
J Anim Sci 84:469-80. 2006..It also suggests a better acclimation to daily high temperatures and a greater heat tolerance in CR compared with LW sows, at least for eating behavior...
- Effects of feed restriction and subsequent refeeding on energy utilization in growing pigsP A Lovatto
Universidade Federal de Santa Maria, Departamento de Zootecnia, Santa Maria, RS 97105 900, Brazil
J Anim Sci 84:3329-36. 2006..Compensatory growth after a period of feed restriction does not seem to be related to a change in the metabolic utilization of energy for gain but more likely is due to gain in water and gut contents...
- Sites of nutrient digestion in growing pigs: effect of dietary fiberA Wilfart
INRA, UMR1079 Systèmes d Elevage Nutrition Animale et Humaine, F 35590 Saint Gilles, France
J Anim Sci 85:976-83. 2007..01). The method used for studying sites of digestion in the digestive tract provides promising results, but it is limited due to the high variability that is likely caused by sampling limitations and variation between animals...
- Modelling heat production and energy balance in group-housed growing pigs exposed to low or high ambient temperaturesN Quiniou
Institut National de la Recherche Agronomique, , 35590 Saint-Gilles, France
Br J Nutr 85:97-106. 2001..1 % ME) remained constant. Equations for prediction of HPtot, HPact and HP0 according to BW, T and ME are proposed and evaluated according to literature values; values for the feed cost of thermoregulation in pigs are proposed...
- Effect of ambient temperature on mammary gland metabolism in lactating sowsD Renaudeau
Institut National de la Recherche Agronomique, 35590 Saint Gilles, France
J Anim Sci 81:217-31. 2003..It is suggested that this apparent inefficiency of the sow mammary gland in hot conditions could be related to an increase of proportion of blood flow irrigating skin capillaries in order to dissipate body heat...
- Digestibility and metabolic utilisation of dietary energy in adult sows: influence of addition and origin of dietary fibreG Le Goff
Institut National de la Recherche Agronomique, Unité Mixte de Recherches sur le Veau et la Porc, St Gilles, France
Br J Nutr 87:325-35. 2002..75 per d) was not significantly affected by diet characteristics. Our results suggest that metabolic utilisation of dietary energy is little affected by the addition and origin of DF, at least under the conditions of the present study...
- Comparative total tract digestibility of dietary energy and nutrients in growing pigs and adult sowsG Le Goff
Institut National de la Recherche Agronomique, , St Gilles, France
J Anim Sci 79:2418-27. 2001..Equations for predicting DE in adult sows from energy values obtained in growing pigs are proposed...
- Effect of high temperature and feeding level on energy utilization in pigletsA Collin
, Institut National de la Recherche Agronomique, Saint-Gilles, France
J Anim Sci 79:1849-57. 2001..The mechanisms for the lesser efficiency at 23 degrees C compared to 33 degrees C (at the same level of feed intake) remain unclear...
- Effect of high temperature on feeding behaviour and heat production in group-housed young pigsA Collin
, Institut National de la Recherche Agronomique, 35590 Saint-Gilles, France
Br J Nutr 86:63-70. 2001..The decrease in HP(tot) at 33 degrees C was caused by a reduction in TEF and HP(fas) (kJ/d per/kg BW(0.60)), which are both related to reduction in VFI...
- Effects of exposure to high ambient temperature and dietary protein level on sow milk production and performance of pigletsD Renaudeau
Institut National de la Recherche Agronomique, 35590 Saint Gilles, France
J Anim Sci 79:1540-8. 2001....
- Energy utilization of low-protein diets in growing pigsL Le Bellego
Station de Recherches Porcines, Institut National de la Recherche Agronomique, Saint Gilles, France
J Anim Sci 79:1259-71. 2001....
- Effect of high temperature and low-protein diets on the performance of growing-finishing pigsL Le Bellego
UMR VP, Institut National de la Recherche Agronomique, Saint Gilles, France
J Anim Sci 80:691-701. 2002..In addition, diets with reduced CP limit the effect of high ambient temperature on ADFI. Finally, our results demonstrate the significance of using NE, rather than DE or ME, for formulating diets...
- Measurement of blood flow through the mammary gland in lactating sows: methodological aspectsD Renaudeau
Institut National de la Recherche Agronomique, Saint Gilles, France
J Anim Sci 80:196-201. 2002..6 L/min and that about 470 L of blood are required to produce 1 kg of milk. The proposed methodology constitutes a new technique to measure direct mammary blood flow and its short-term factors of variation...