The Feeding Value of Tower Rapeseed for Early-Weaned Pigs. I. Effects of Methods of Processing and of Dietary Levels

Ochetim, S.; Bell, J. M.; Doige, C. E.; Youngs, C. G.

doi:10.4141/cjas80-050

Cited by 27 publications

(12 citation statements)

References 22 publications

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“…The crude protein, fat and crude fibre contents in the seeds were similar (Table 1) to those of the low-glucosinolate RS used by Salo (1980), Ochetim et al (1980) and Bourdon et al (1990) in experiments with pigs. The levels of essential amino acids, especially lysine (6.55 vs. 5.45 g/16 g N), were higher than in the seeds used in the study of Ochetim et al (1980).…”

Section: Resultssupporting

confidence: 61%

“…A declining tendency of this parameter was observed only when the seed content exceeded 20%. The results reported by Show et al (1990) and Ochetim et al (1980), who observed a decrease of the protein digestibility as early as at a 15 -20% seed content in the diet, were not confirmed. These authors, however, carried out their experiments on weaned piglets, more sensitive to feed quality than 50-60 kg fatteners.…”

Section: Resultsmentioning

confidence: 68%

“…The levels of essential amino acids, especially lysine (6.55 vs. 5.45 g/16 g N), were higher than in the seeds used in the study of Ochetim et al (1980). With a similar crude protein content (in fat-free DM), the protein in rapeseed oil meal contained about 17% less lysine than seed protein (5.48 vs. 6.55 g/16 g N).…”

Section: Resultsmentioning

confidence: 78%

“…Energy loss in gasses was not included in the calculation of metabolizable energy. Average -from Bourdon et al (1990), rolling + moderate heating; Ochetim et al (1980), micronisation rolling and Salo (1980), rape seed-low glucosinolate;…”

Section: Methodsmentioning

confidence: 99%

See 3 more Smart Citations

The energy and protein value of double-low rape seeds for growing pigs

Raj

Fandrejewski²,

Kotarbinska³

et al. 1993

J. Anim. Feed Sci.

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Groups of 12 growing Landrace pigs with an average body weight of 55 ± 1.5 kg were fed a diet containing from 5 to 30% (Expt. 1) or 0 to 25% (Expt. 2) raw rape seeds. The digestibility of the diet was determined by either the indicator method (Expt. 1) or total collection method (Expt. 2). Metabolizability of energy was also determined in experiment 2. The apparent digestibility of crude protein was not dependent on the proportion of rape seeds in the diet, whereas the digestibility and metabolizability of energy decreased after the rape seed content exceeded 15% (Expt. 2) or 20% (Expt. 1). The mean coefficient of digestibility and metabolizability of energy and apparent digestibility of protein determined by multiple equations when the rape seed content equalled to 15 and 20%, were: 76.1 ± 1.8%, 66.4 ± 2.4% and 75.8 ± 3.5%, respectively. The digestible and metabolizable energy contents and digestible protein content in 1 kg DM of seeds were, respectively: 22.4, 20.2 MJ and 156 g.

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Section: Resultssupporting

confidence: 61%

Section: Resultsmentioning

confidence: 68%

Section: Resultsmentioning

confidence: 78%

Section: Methodsmentioning

confidence: 99%

See 2 more Smart Citations

The energy and protein value of double-low rape seeds for growing pigs

Raj

Fandrejewski²,

Kotarbinska³

et al. 1993

J. Anim. Feed Sci.

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show abstract

“…La cas6ine a toutefois 6t6 sans effet sur le foie, le coeur ou les reins. Ces r6sultats montrent que, dans les conditions exp6riementales utilis6es, la cas6ine iod6e a un effet bienfaisant sur la croissance et sur I'activit6 de la thyroide des porcelets recevant un aliment contenant 2OVo Previous studies (Ochetim et al 1980) suggested that the inclusion of a 20Vo level of low glucosinolate, low erucic acid rapeseed (Brassica napus L. 'Tower') (RS) (Nordfeldt et al 1954;Bell 1965 (NAS-NRC 1973).…”

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The Feeding Value of Tower Rapeseed for Early-Weaned Pigs Ii. Effects of Supplementation of Cooked Seed With Iodinated Casein and Pea Protein Concentrate

Ochetim¹,

Bell²,

Doige³

1980

Can. J. Anim. Sci.

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Glucosinolates in Crop Plants

Rosa

Heaney

Fenwick

et al. 1996

Horticultural Reviews

172

170

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Glucosinolates with Brassica genus as secondary metabolites have a lot of functions and effects. Glucosinolates form less than 2% of the overall sulphur content at the beginning of vegetation in different parts of the plants and during growth their content is decreasing and forms less than 0.1%. This low representation doubts their storage function. With its chemical composition, they are ranked among natural pesticides with active and passive resistance against diseases and pests. They show repellent effects and properties of natural biofumigators in soil after ploughing in their biomass as green fertilizing, or after ploughing in after harvest the leftovers of rape. The principle of these effects is decomposition products of glucosinolates-bioactive isothiocyanates. Very important from this point of view are turnip rape Rex and Brassica juncea, whose content of these compounds is the highest one and they are resistant against the attack of Ceutor-rhynchus pleurostigma. The same effect showed also when attacked by Phoma lingam. With other winter Brassicas either hybrid or linea and summer rape is this defensive system suppressed because of their lowered content due to breeding interferences, leading to limitation of their anti-nutritional negative effects. It is possible to state the final result after finding out the production of the above matter, roots, and after evaluation of the sorbal characteristics of the soil and evaluation of the state of health of the following crop or vegetable. After this overall analysis, it will be possible to evaluate the biofumigation properties of accessible varieties of the Brassica genus.

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The Feeding Value of Tower Rapeseed for Early-Weaned Pigs. I. Effects of Methods of Processing and of Dietary Levels

Cited by 27 publications

References 22 publications

The energy and protein value of double-low rape seeds for growing pigs

The energy and protein value of double-low rape seeds for growing pigs

The Feeding Value of Tower Rapeseed for Early-Weaned Pigs Ii. Effects of Supplementation of Cooked Seed With Iodinated Casein and Pea Protein Concentrate

Glucosinolates in Crop Plants

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