Tissue composition and allometric growth of carcass of lambs Santa Inês and crossbreed with breed Dorper

Sousa, Maria Alice Montes de; Lima, Alyne Cristina Sodré; Araújo, Jamille Carla Oliveira; Guimarães, Célia Maria Costa; Joele, Maria Regina Sarkis Peixoto; Borges, I.; Daher, Luciara Celi Chaves; Silva, André Guimarães Maciel e

doi:10.1007/s11250-019-01886-2

Cited by 18 publications

(15 citation statements)

References 19 publications

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“…On the other hand, possibly because of the high energy intake from the beginning of the study, artificial reared kids had higher total fat growth rate throughout the study. Both Peña et al 24 and De Sousa et al 30 stated that higher slaughter weight represents fattier carcasses, which is quite similar to the current study findings.…”

Section: Allometric Growthsupporting

confidence: 91%

“…24,25,27,28 Vital organs (brain, eyes, head, feet, lungs, heart, etc.) and bone tissue are well developed at birth for a higher chance of survival5, which is the main reason for bone tissue to be the earliest maturing tissue component of the study, similar to Peña et al 24 , Sabbioni et al 29 and De Sousa et al 30 . On the other hand, muscle and fat tissues are late maturing tissues, which make the slaughter weight and dietary components quite important.…”

Section: Allometric Growthsupporting

confidence: 63%

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Allometric growth of non-carcass components and hind limb tissue composition in Saanen goat kids reared under natural and artificial systems

Keçici

Yalçıntan

Ekiz

2022

Journal of Research in Veterinary Medicine

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The aim was to investigate the growth of certain non-carcass components and hind limb tissues using allometric coefficients in Saanen goat kids reared under natural and artificial systems and slaughtered at 80 days or 120 days of age. 42 Saanen kids were used in the study [(24 artificial reared kids (SA-80: 12 kids, SA-120: 12 kids), 18 natural reared kids (SA-80: 9 kids, SA-120: 9 kids)] for determination of indicated parameters. The effect of rearing system was not significant in weights of non-carcass components and hind limb tissue compositions, which indicates that, even though they were fed with milk replacers, artificial reared kids can have similar growth performance when they slaughtered at similar age with natural raised kids. However, slaughter age had significant effect on many non-carcass components, since the weight of the organs increases in parallel with animal’s live weight. It is seen that allometric growth of non-carcass parameters, except skin and testis in both rearing groups and stomach and intestines in natural rearing, was slower (b

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Section: Allometric Growthsupporting

confidence: 91%

Section: Allometric Growthsupporting

confidence: 63%

Allometric growth of non-carcass components and hind limb tissue composition in Saanen goat kids reared under natural and artificial systems

Keçici

Yalçıntan

Ekiz

2022

Journal of Research in Veterinary Medicine

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“…The SBW is a simple, fast, and widely used measurement to assess animal performance [20] and an important biometric measure. It serves as a premise for the formation of batches in a production system [21], in addition to marketing purposes, since it is one of the main indicators of the CCW, acting both as a criterion for selection by producers and for sale in refrigerators [22].…”

Section: Plos Onementioning

confidence: 99%

Prediction of carcass composition through measurements in vivo and measurements of the carcass of growing Santa Inês sheep

et al. 2021

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In vivo and carcass measurements were evaluated to predict carcass physical and chemical composition and to list the measurements that best fit the prediction of the composition of growing Santa Inês sheep carcasses. Thirty-three animals were used to measure the loin eye area by ultrasound in vivo (LEAu) and in the carcass. We used 39 animals for biometric measurement in vivo and 42 sheep for morphometric measurement in the carcass. For the physical and chemical compositions of carcasses, dissection of the half left carcass was carried out in 42 animals. The data were submitted to Pearson’s correlation analysis and t test. Simple and multiple linear regressions were performed using a stepwise procedure. All correlations between in vivo measurements and the physical and chemical compositions of carcasses (in kg) were significant, except for LEAu. Biometric measurements and hot (HCW) and cold (CCW) carcass weights were considered as predictors of the carcasses’ physical and chemical compositions. Slaughter body weight (SBW) was the variable that most influenced the equations in the assessment of in vivo measurements and HCW and CCW most influenced the equations for measurements on carcasses. Biometric measurements of Santa Inês sheep can be used together with the SBW to estimate the physical and chemical compositions of carcasses, with emphasis on body compactness index, breast width, wither height, and croup height. The morphometric measurements can be used together with carcass weight to estimate the physical and chemical compositions of carcasses, with emphasis on croup width, carcass compactness index, croup perimeter, external and internal carcass lengths, chest width, and leg length and perimeter. The HCW can be used to predict the physical and chemical composition of carcasses without affecting the accuracy of the prediction model.

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“…The difference in final weight between treatments had a direct influence on carcass weight, with animals on the Tuc diet having the lowest values for hot and cold carcass ( Table 4 ). However, the differences observed for weight gain and carcass weights did not influence the carcass yield, suggesting that the composition of the gain was proportional regardless of the diet, since the fat thickness and rib eye area were also the same ( 37 ).…”

Section: Discussionmentioning

confidence: 99%

Nutrient intake, digestibility, performance, carcass traits and sensory analysis of meat from lambs fed with co-products of Amazon oilseeds

et al. 2023

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Introduction:The increase in availability and nutritional composition of oilseed co-products has made it essential to study the use of this biomass.Methods:The objective of this work was to investigate the effects of including oilseed cakes on intake and digestibility, performance, carcass characteristics and meat sensory in feedlot lambs. Twenty-four crossbred Dorper × Santa Inês lambs, with initial body weight of 30 ± 1.3 kg, male, castrated, aged 4–5 months, were distributed in a completely randomized experimental design with four treatments (diets) and six replications (animals), confined in individual stalls for 70 days.Results:The inclusion of tucuma cake (Tuc) reduced dry matter intake (p < 0.01) and diets with cupuassu cake (Cup) and palm kernel cake (Palm) reduced dry matter digestibility (p < 0.05). The Tuc diet also provided the lowest final body weight (p = 0.02); lower average daily gain (p = 0.03); lower feed efficiency (p = 0.03) and lower carcass weight (p < 0.01). However, diets did not influence carcass yield (%), fat thickness (mm) and loin eye area (cm2; p > 0.05). Meat from lambs on the control diet was rated as less fibrous and more tender (p < 0.05).Conclusion:The inclusion of tucuma cake does not influence digestibility, but reduces intake, performance and influences carcass characteristics and meat texture. Diets with cupuassu cake or palmiste cake reduced digestibility, however, intake, performance and carcass characteristics were similar to the control diet.

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Tissue composition and allometric growth of carcass of lambs Santa Inês and crossbreed with breed Dorper

Cited by 18 publications

References 19 publications

Allometric growth of non-carcass components and hind limb tissue composition in Saanen goat kids reared under natural and artificial systems

Allometric growth of non-carcass components and hind limb tissue composition in Saanen goat kids reared under natural and artificial systems

Prediction of carcass composition through measurements in vivo and measurements of the carcass of growing Santa Inês sheep

Nutrient intake, digestibility, performance, carcass traits and sensory analysis of meat from lambs fed with co-products of Amazon oilseeds

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