Effect of Phase Feeding on the Growth Performance and Nutrient Utilization in Finishing Pigs

Han, In K.; Kim, J. H.; Chu, K. S.; Zhou, Xuan; Sohn, K. S.; Kim, M. K.

doi:10.5713/ajas.1998.559

Cited by 9 publications

(10 citation statements)

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“…Likewise, TBARS, drip loss and CIE color score (L*, a* and b*) of loins at different storage intervals also did not differ among the treatments. These findings agree with those of Han et al (1998), who also did not notice any differences in the carcass characteristics of pigs under different phase feeding regimens. However, two phase feeding system was reported to significantly reduce the backfat thickness than three phase feeding system (Ko et al, 2004), whereas, Lee et 3) Scored on the scale of 1 = practically devoid to 5 = very firm and dark (NPPC, 1991).…”

Section: Carcass Characteristics and Pork Quality Evaluationsupporting

confidence: 82%

“…The results of our study demonstrate that the MP level (19.45-17.50-13.87%) during grower-finisher I-finisher II phases, respectively, is optimum for growing-finishing pigs. Moreover, diets with CP in excess of 14% for late finishing pigs did not show any improvements in growth rate (Han et al, 1998). Also previous reports have proved that pigs do not have the ability to control protein intake to meet their requirements (Owen et al, 1994;Nam and Aherne, 1995), and consumption of protein above requirement leads to wastage as the animal is unable to convert dietary amino acids to body protein (Chen et al, 1996).…”

Section: Growth Performancementioning

confidence: 97%

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Effects of Dietary Protein Level and Phase Feeding Regimen on Growth Performance, Carcass Characteristics and Pork Quality in Growing-finishing Pigs

Choi¹,

Shinde²,

Zheng³

et al. 2010

Journal of Animal Science and Technology

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Two experiments were conducted to study the effects of dietary protein level and phase feeding regimens on performance, carcass characteristics and pork quality in growing-finishing pigs. In both experiments, growing pigs (n=90; barrows; Landrace × Yorkshire × Duroc) were allotted to 3 treatments. Each treatment had 3 replicate pens comprising 10 pigs in each. In Exp. 1, pigs (average body weight 25.06±0.57 kg) were fed diets having low (17.50-14.50-12.51%), medium (19.49-17.50-13.87%) or high (22.47-19.49-16.36%) CP concentration (LP, MP and HP diets, respectively) diets during grower-finisher I-finisher II phases, respectively. Feeding of MP diet resulted in higher (P<0.05) ADG and better FCR than pigs fed LP diet. Pigs fed HP diet had lower (P<0.05) pork color and marbling score. Meat of pigs fed LP diet had higher (P<0.05) Thiobarbituric acid reactive substances (TBARS), while meat of pigs fed HP and LP diets had greater drip loss than pigs fed MP diet. In addition, meat from pigs fed LP diet was darker while meat of pigs fed HP and MP diets was paler and redder. In Exp. 2, pigs (average body weight 10.40 ±0.61 kg) were subjected during 126 days to three or four phase regimes of different duration. The treatments T1 and T2 were subjected to four phase feeding regimens (grower I, grower II, finisher I and finisher II) for 22, 42, 32 and 30 days (T1) and 40, 40, 25 and 21 days (T2), respectively, while T3 was subjected to three phase feeding regimen (grower I, grower II and finisherI) for 40, 56 and 30 days, respectively. Duration of phase feeding regimens had no effect (P>0.05) on the performance, carcass traits and meat quality of pigs. These results suggest that both high and low levels of CP have a negative effect on performance and pork quality; however, alterations in the phase feeding regimens do not have any discernible effect on the performance and pork quality in growing-finishing pigs.

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Section: Carcass Characteristics and Pork Quality Evaluationsupporting

confidence: 82%

Section: Growth Performancementioning

confidence: 97%

Effects of Dietary Protein Level and Phase Feeding Regimen on Growth Performance, Carcass Characteristics and Pork Quality in Growing-finishing Pigs

Choi¹,

Shinde²,

Zheng³

et al. 2010

Journal of Animal Science and Technology

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“…Phase feeding Phase feeding is the most studied feeding strategy, when aiming to decrease nutrient excretion (Lenis, 1989;Coppoolse et al, 1990;Henry and Dourmad, 1993;Han et al, 1998;Lee et al, 2000;Brossard et al, 2009; Table 5 The total, soluble and insoluble cumulative P excreted by a population of 500 pigs treated according to a 'sorting plan': the pigs were either treated as a single population, (no sorting), or the lightest 10%, 20% and 30% of the population were fed a higher digestible P in comparison with the remaining population The supply of dietary digestible P (g/kg) was determined to meet the average digestible P requirements of the sorted and remaining population at the mid-point BW of each feeding phase. Table 4 The effect of phase feeding (one, two or three phases) on the performance of a population of pigs from 30 to 120 kg in terms of: (1) average daily gain (ADG) (kg/day); (2) protein (Pr) retained (g/day); (3) phosphorus (P) retained (g/day) and (4) The supply of dietary digestible P targeted the digestible P requirements of the average of the population at the mid-point BW (1/2 target), or the mean BW of the first third of each feeding sequence plan (1/3 target).…”

Section: Discussionmentioning

confidence: 99%

Quantifying the consequences of nutritional strategies aimed at decreasing phosphorus excretion from pig populations: a modeling approach

Symeou

Leinonen

Kyriazakis

2016

animal

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There is a global imperative to reduce phosphorous (P) excretion from pig systems. In this study, a previously validated deterministic model was modified to be stochastic, in order to investigate the consequences of different management strategies on P excretion by a group of growing pigs. The model predicts P digestion, retention and excretion from feed composition and growth parameters that describe a specified pig phenotype. Stochasticity was achieved by introducing random variation in the latter. The strategies investigated were: (1) changing feed composition frequently in order to match more closely pig digestible P (digP) requirements to feed composition (phase feeding) and (2) grouping pigs into light and heavy groups and feeding each group according to the requirements of their group average BW (sorting). Phase feeding reduced P excretion as the number of feeding phases increased. The effect was most pronounced as feeding phases increased from 1 to 2, with a 7.5% decrease achieved; the increase in phases from 2 to 3 was associated with a further 2.0% reduction. Similarly, the effect was more pronounced when the feed targeted the population requirements for digP at the average BW of the first third, rather than the average requirements at the mid-point BW of each feeding sequence plan. Increasing the number of feeding phases increased the percentage of pigs that met their digP requirements during the early stages of growth and reduced the percentage of pigs that were supplied <85% of their digP requirements at any stage of their growth; the latter may have welfare implications. Sorting of pigs reduced P excretion to a lesser extent; the reduction was greater as the percentage of pigs in the light group increased from 10% to 30% (from 1.5% to 3.0% reduction, respectively). This resulted from an increase in the P excreted by the light group, accompanied by a decrease in the P excreted by the remaining pigs. Sorting increased the percentage of light pigs that met their dig P requirements, but only slightly decreased the percentage of heavy pigs that met these requirements at any point of their growth. Exactly the converse was the case as far as the percentage of pigs that were supplied <85% of their digP requirements were concerned. The developed model is flexible and can be used to investigate the effectiveness of other management strategies in reducing P excretion from groups of pigs, including precision livestock feeding.

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“…Nam and Aherne (1995) reported that there was a decreasing tendency in back fat thickness and an increasing tendency in carcass dressing percentage (P<0.05) in those pigs reared in three phase feeding regimen (18-16-14% CP for growing-finishing period), in comparison with those pigs fed in one phase feeding regimen (16% CP for growingfinishing period). Han et al (1998) investigated the effect of phase feeding on carcass characteristics of finishing pigs and reported that backfat thickness of lighter pigs averaging 104kg of slaughter weight fed low nutrient density diets was significantly reduced (Table 7). Recently, Lee et al (1999) reported that the tenth rib fat thickness of pigs fed on four phase feeding regimen was reduced and there was a trend that backfat thickness decreased as the number of phases increased.…”

Section: Effects Of Phase Feeding On Carcass Characteristicsmentioning

confidence: 99%

“…Recently in series of studies on phase feeding regimen, Seoul National University investigated the possibility of application of phase feeding to reduce the crude protein intake of finishing pigs (Han et al, 1998). Table 3 summarizes the effect of different feeding regimen on the growth performance of finishing pigs.…”

Section: Effects Of Phase Feeding Regimen On Growth Performancementioning

confidence: 99%

Application of Phase Feeding in Swine Production

Han

Lee

Kim

et al. 2000

Journal of Applied Animal Research

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Effect of Phase Feeding on the Growth Performance and Nutrient Utilization in Finishing Pigs

Cited by 9 publications

References 0 publications

Effects of Dietary Protein Level and Phase Feeding Regimen on Growth Performance, Carcass Characteristics and Pork Quality in Growing-finishing Pigs

Effects of Dietary Protein Level and Phase Feeding Regimen on Growth Performance, Carcass Characteristics and Pork Quality in Growing-finishing Pigs

Quantifying the consequences of nutritional strategies aimed at decreasing phosphorus excretion from pig populations: a modeling approach

Application of Phase Feeding in Swine Production

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