Low-glucosinolate rapeseeds and rapeseed meals: effect of technological treatments on chemical composition, digestible energy content and feeding value for growing pigs

Bourdon, D.; Aumaı̂tre, A.

doi:10.1016/0377-8401(90)90014-y

Cited by 83 publications

(63 citation statements)

References 23 publications

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“…The coefficient of partial regression in the equation applied to body weight equalled 22.6 mg/kg (se = 2.7) and was one-half that in the studies by Bourdon and Aumaitre (1990). Other sources, however, report that the weight of the thyroid of monogastric animals fed RSM does not depend as much on the total dietary glucosinolate content, as on the composition of its fractions and the amount of metabolites formed through enzymic hydrolysis (Billie et al, 1983).…”

Section: Resultsmentioning

confidence: 69%

“…Because of this, the animals in experiment 2 group RSM-7 consumed a total of 25 moles glucosinolates more (P^O.01) than RSM-7 pigs in experiment 1 fed the same daily doses of rapeseed meal. It was thus possible to investigate the effect of daily and total glucosinolate intake on the development of internal organs, as mentioned by Bourdon and Aumaitre (1990). In respect to the thyroid gland it was found that its weight is similarly dependent on total (r = 0.84) as well as daily glucosinolate intake (r = 0.82).…”

Section: Resultsmentioning

confidence: 96%

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Heat production in growing pigs fed rapeseed meal with various glucosinolate contents

Fandrejewski¹,

Chabiera²,

Kotarbinska³

et al. 1994

J. Anim. Feed Sci.

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Two experiments were carried out on 48 growing Polish Landrace pigs, from 30 to 60 kg liveweight. Diets were composed of barley supplemented with rapeseed meal (RSM) or milk powder (C). Rapeseed meal contained 6.6 (RSM-7) or 24.3 ^moles (RSM-24) total glucosinolates per gram fat-free dry matter. In each experiment the animals received the same amount of metabolizable energy and lysine. Glucosinolate intake was different, however: 0 or 3.2 moles in experiment 1 and 3.2 or 10.9 moles per day in experiment 2. Energy retention in the body of animals were measured by the comparative slaughter technique. Feeding the mixture containing RSM significantly increased the weight of the liver, kidneys and thyroid. However, there were no unfavourable effects of RSM on the average daily gain and chemical body composition of the pigs. The pigs in group C produced 2.1% more heat in the body (P = 0.07) than those in group RSM-7 (Experiment 1). Increasing the glucosinolate consumption from 3.2 to 10.9 moles/day (Experiment 2) did not significantly affect heat production.

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Section: Resultsmentioning

confidence: 69%

Section: Resultsmentioning

confidence: 96%

Heat production in growing pigs fed rapeseed meal with various glucosinolate contents

Fandrejewski¹,

Chabiera²,

Kotarbinska³

et al. 1994

J. Anim. Feed Sci.

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“…However, their hydrolysed by-products have established goitrogenic and hepatoxic effects. They also tend to have a bitter taste, thus potentially affecting feed intake (Sarwar et al, 1981;Bell & Shires, 1982;Bourdon & Aumaitre, 1990) as well as impaired thyroid function in growing animals, foetuses and embryos (Campbell & Schöne, 1998 (Yin et al, 1993). From this study it can be concluded that the location of production in South Africa had no influence on the ANF content of canola.…”

Section: The South African Journal Of Animalmentioning

confidence: 75%

Anti-nutritional factors in canola produced in the Western and Southern Cape areas of South Africa

Brand¹,

Smith²,

Hoffman³

2008

SA J. An. Sci.

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The development of low erucic acid, low glucosinolate cultivars of canola seed has led to the availability of a feed ingredient with considerable potential to replace soyabean meal in diets for all classes of farm animals. The sinapine and glucosinolate content of various canola cultivars cultivated in two areas of the Western Cape, South Africa were compared. There were no significant differences in sinapine content between the canola produced in the Western and Southern Cape (mean value of 9.95 mg sinapine/g grain).There were cultivar differences, with Varola 54 and Rainbow cultivars having significantly higher sinapine concentrations than Varola 50. There were no significant differences between the aliphatic, indolyl or aromatic glucosinolate content of the canola originating from either the Swartland or the Rûens areas in South Africa (mean value of 17.84 µmol total glucosinolates/g grain). There were significant differences in the total glucosinolate content of the various canola cultivars. Varola 44 and Hylite 200TT had the lowest total glucosinolate concentration and Varola 50 had the highest glucosinolate concentration. The results obtained seem to indicate a maximum dietary inclusion level of up to 14% for South African produced canola with an average of 17.83 µmol glucosinolates per gram to ensure optimal animal production.

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“…They recommend the inclusion of up to 50 g/kg of this food in the piglets' diets. The performance of piglets can be influenced by fiber levels, presence of tannins, sinapine and glucosinolates in the meal (BOURDON; AUMAITRE, 1990;LEE;HILL, 1983), which can change depending on the origin and processing.…”

Section: Resultsmentioning

confidence: 99%

Canola meal on starting pigs feeding

et al. 2015

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Three experiments were carried out to determine the nutritional values and evaluate the performance of piglets fed on canola meal. In experiment I, a digestibility assay was conducted using fourteen barrow pigs, with an initial body weight of 20.62±3.30 kg. The evaluated feedstuff was canola meal, with a level of 250 g/kg in the basal diet (corn + soybean meal-based). The experimental unit consisted of one pig, with a total of seven experimental units per diet. The values as (fed basis) of digestible (DE) and metabolizable (ME) energy of canola meal were 2,995 kcal/kg and 2,796 kcal/kg, respectively. In experiment II, ileal digestibility assays were carried out to determine the apparent and true ileal digestibility coefficient and digestible amino acids. Three crossbred pigs were used, with a BW of 38.6±1.98 kg. The treatments consisted of two diets, with a single source of protein (canola meal) and one protein-free diet (OFD). The values of digestible amino acids in canola meal were as follows: lysine: 11.8 g/kg; methionine+cystine: 9.1 g/kg; threonine: 7.9 g/kg; tryptophan: 2.4 g/kg; leucine: 15.7 g/kg; and isoleucine: 8.7 g/kg. In experiment III, 60 piglets (BW= 15.08±0.72 kg to 30.26±2.78 kg) were allotted in a completely randomized design. The treatments consisted of four diets with increasing levels of canola meal (50, 100, 150 and 200 g/kg), six replicates and experimental unit consisted of two pigs. Additionally, a control diet was formulated containing 0.0 g/kg CM. Regression analysis indicates that there was no effect (P≥0.05) of the level of canola meal inclusion on pigs performance. The performance results suggest that it is feasible to use up to 200 g/kg of canola meal in starting pigs diet, without impairing performance and the feeding cost. Key words: Digestible amino acids, digestibility, ileal cannula, protein food, performance ResumoForam conduzidos três experimentos com o objetivo de determinar o valor nutricional e avaliar o desempenho de leitões alimentados com farelo de canola (FC). No Experimento I foi conduzido um ensaio de digestibilidade total com 14 suínos mestiços de linhagem comercial, machos castrados, com 20,32±3,30 kg de PV inicial. O alimento teste foi o farelo de canola, com o nível de 250 g/kg na ração referência (milho + farelo de soja). Cada suíno constituiu uma unidade experimental, totalizando sete unidades experimentais por ração. Os valores de energia digestível (ED) e energia metabolizável (EM) na matéria natural para o FC foram 2995 kcal/kg e 2796 kcal/kg respectivamente. No Experimento II foi conduzido um ensaio para determinar os coeficientes de digestibilidade ileal aparente e verdadeira e aminoácidos digestíveis. Foram utilizados três suínos canulados com 38,6±1,98 kg de PV. Os tratamentos consistiram em duas dietas, uma dieta contendo FC como única fonte de proteína e uma dieta isenta de

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Low-glucosinolate rapeseeds and rapeseed meals: effect of technological treatments on chemical composition, digestible energy content and feeding value for growing pigs

Cited by 83 publications

References 23 publications

Heat production in growing pigs fed rapeseed meal with various glucosinolate contents

Heat production in growing pigs fed rapeseed meal with various glucosinolate contents

Anti-nutritional factors in canola produced in the Western and Southern Cape areas of South Africa

Canola meal on starting pigs feeding

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