A comparison of pig backfat measurements using ultrasonic and optical instruments

Magowan, Elizabeth; McCann, Mark

doi:10.1016/j.livsci.2006.02.002

Cited by 15 publications

(4 citation statements)

References 13 publications

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“…Fabro et al (2013) and Serrano et al (2008) also found similar ADG for gilts at 166 and barrows at 145 kg final BW, whereas Peinado et al (2008) reported greater ADG for castrated males than intact females but no effect of sex on feed efficiency. In vivo carcass fat thickness was also found to be higher in barrows than in gilts by Morales et al (2011), whereas Magowan and McCann (2006) reported that gilts were fatter than boars when assessed for ultrasound backfat thickness.…”

Section: Growth Performance and Feed Efficiencymentioning

confidence: 96%

Growth performance, and carcass and raw ham quality of crossbred heavy pigs from four genetic groups fed low protein diets for dry-cured ham production

Schiavon

Carraro

Bona

et al. 2015

Animal Feed Science and Technology

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Section: Growth Performance and Feed Efficiencymentioning

confidence: 96%

Growth performance, and carcass and raw ham quality of crossbred heavy pigs from four genetic groups fed low protein diets for dry-cured ham production

Schiavon

Carraro

Bona

et al. 2015

Animal Feed Science and Technology

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“…Surprisingly, in the current study, boars were fatter than gilts in the control group, which contradicts results from other studies. Gilts are usually fatter on normal diets (McPhee & Daniels, 1991;Nold et al, 1997;Beattie et al, 1999;Magowan & McCann, 2006). This may have been owing to lower slaughtering weights of pigs in the current study.…”

Section: Discussionmentioning

confidence: 77%

Effect of crude glycerol from South African biodiesel production on growth, carcass characteristics and pork quality of pigs

Chiloane¹,

Kanengoni²,

Siebrits³

2013

SA J. An. Sci.

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________________________________________________________________________________ AbstractA study was carried out to evaluate the effects of dietary inclusion of crude glycerol as a partial replacement of maize at 50 g/kg and 100 g/kg in pig grower diets. Three experimental diets were formulated, a control (CN) and two diets containing 50 g/kg (low glycerol (LG)) and 100 g/kg (high glycerol (HG)) glycerol. The experimental diets were fed in a growth and carcass evaluation study to 60 Large White crossbred pigs (30 males and 30 females) weighing 21 ± 1.6 kg. There were no differences between the glycerol inclusion levels in daily gain, feed intake and feed conversion ratio and carcass traits of the pigs. Gilts had a higher dressing percentage and lower backfat thickness than boars. They also had shorter carcasses and a lower drip loss percentage than boars. There were no differences in thawing, drip, evaporation and total cooking losses of pork loin chops between treatments. It was concluded that crude glycerol can be included up to 100 g/kg in grower pig diets without any negative effects on pig performance.

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“…The full ultra sound was done, using digital PL-201V ultra sound diagnostic system (BMV Technology Co., Ltd, China). Back fat thickness was recorded according the method of Magowan and McCann, (2006). Reproductive performance during the farrowing period including litter size per head and number of still birth per head were determined according the procedure of Chusi et al (2016).…”

Section: Experimental Design and Sows Feeding Managementmentioning

confidence: 99%

Effect of feeding fermented extruded corn stover on reproductive performance of pregnant sows

Ngalavu

Jiang

Che

et al. 2017

IJAR

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The objective of the study was to determine the effects of dietary supplementation of fermented extruded corn stover on back fat thickness, reproductive performance and serum hormone in sows during late pregnancy. A total of 48 pregnant sows (24 Landrace and 24 Yorkshire) were randomly assigned into four experimental treatment groups (0%, 10%, 15% and 20% fermented extruded corn stover). Back fat thickness results showed that no significant differences on control group compared to each fermented treatment groups (P>0.05) at 55 and 105 days of gestation, respectively. Reproductive performance results demonstrated that control group had a lower litter size per head than 10% fermented extruded corn stover group (P<0.05), respectively. The results showed that leptin hormone was higher in control group than 10%, 15% and 20% treatment groups (P<0.05), respectively. Our findings suggested that 10% fermented extruded corn stover increased the litter size per head in pregnant sows.

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A comparison of pig backfat measurements using ultrasonic and optical instruments

Cited by 15 publications

References 13 publications

Growth performance, and carcass and raw ham quality of crossbred heavy pigs from four genetic groups fed low protein diets for dry-cured ham production

Growth performance, and carcass and raw ham quality of crossbred heavy pigs from four genetic groups fed low protein diets for dry-cured ham production

Effect of crude glycerol from South African biodiesel production on growth, carcass characteristics and pork quality of pigs

Effect of feeding fermented extruded corn stover on reproductive performance of pregnant sows

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