1992
DOI: 10.1017/s0003356100036825
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The effect of diet in winter on the body composition of young steers and subsequent performance during the grazing season

Abstract: Friesian steer calves born in August were reared from 3 to 7 months of age on silage alone (S) or on silage and concentrates to supply metabolizable energy (ME) in the proportion of 0-5: 0-5 (55) or 0-1: 0-9 (19). The mixed diets were either offered to appetite (55A and 19A) or restricted to provide the same energy intake as the S group (55R and 19R). The cattle were then grazed for a 6-month period as a single group. During the winter the S, 55R and 19R groups had similar live-weight gains. Despite having th… Show more

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Cited by 25 publications
(15 citation statements)
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“…Empty body weight (EBW) was calculated as blood free empty body weight/0-9587 (Dukes, 1947). The following proportions were used to calculate the contribution of the blood to the composition of the empty body: water 0-8263, crude protein 0-1658, fat 0-0004 and ash 0-0075 (Baker et al, 1985).…”
Section: Sample Preparation and Analysismentioning
confidence: 99%
“…Empty body weight (EBW) was calculated as blood free empty body weight/0-9587 (Dukes, 1947). The following proportions were used to calculate the contribution of the blood to the composition of the empty body: water 0-8263, crude protein 0-1658, fat 0-0004 and ash 0-0075 (Baker et al, 1985).…”
Section: Sample Preparation and Analysismentioning
confidence: 99%
“…Compensatory growth is the ability of an animal to exhibit, after feed restriction (Wilson and Osbourn, 1960), greater growth rates than in unaffected animals of the same chronological age. In cattle, factors contributing to compensation are increases in feed intake (Baker et al, 1992), increases in gut-fill weight, or higher efficiency of feed utilization (Carstens et al, 1991). The response varies according to the pattern of undernutrition and realimentation and stage of development of the animal (Wilson and Osbourn, 1960).…”
Section: Introductionmentioning
confidence: 99%
“…Complete compensation has not been demonstrated in young growing cattle in other experiments (Ryan, 1990). No direct estimates of body composition were made in this experiment, but results from previous work (Wright and Russel, 1991;Baker, Young and Laws, 1992) suggest that L heifers would have been leaner at turn-out. The difference in live weight could be held to be responsible for the higher intake per head in H than in L heifers immediately after turn-out (8-3 v. 7-2 (s.e.d.…”
Section: Discussionmentioning
confidence: 82%
“…In this experiment, attention was focused on studying responses during the first weeks of grazing of intake and behavioural components, relative to the previous winter's nutrition level. The negative association between fatness and food intake due to metabolic control in highly digestible foods (Forbes, 1986;Baker et al, 1992) could also explain why intakes differed between L and H groups after the 3to 4-week adaptation period. 0-23) kg OM, in the first period), while intake per kg live weight was exactly the same in both groups.…”
Section: Discussionmentioning
confidence: 99%
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