Prediction of weaning weight in Santa Inês lambs using the body volume formula

Gurgel, Antônio Leandro Chaves; Difante, Gelson dos Santos; Neto, João Virgínio Emerenciano; Ítavo, Luís Carlos Vinhas; Ítavo, Camila Celeste Brandão Ferreira; Costa, Carolina Marques; Santos, Geraldo Tadeu dos; Chay-Canúl, Alfonso Juventino

doi:10.1007/s11250-022-03445-8

Cited by 3 publications

(2 citation statements)

References 29 publications

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“…The results of the study showed a highly significant correlation between body weight and body volume. The results of the current study are in line with the results of Gurgel et al [16] and Salazar-Cuytun et al [15], who showed a highly significant correlation between body weight and body volume in Santa Ines lambs and Pelibuey lambs, and sheep. The current correlation results further indicated highly statistical correlation between body weight and morphometric traits (Heart girth and body length).…”

Section: Discussionsupporting

confidence: 93%

“…The results of the study showed a highly significant correlation between body weight and body volume. The results of the current study are in line with the results of Gurgel et al [16] and Salazar-Cuytun et al [15], who showed a highly significant correlation between body weight and Takaendengan et al [18] in horses and Salazar-Cuytun et al [15] in hair sheep, reported results that agree with the current study results, were it was found that body volume showed highest coefficient of determination in all the models that were employed. However, low coefficient of determination and high root mean square error was observed in lactating water buffalo [19].…”

Section: Discussionsupporting

confidence: 92%

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Prediction of body weight from body volume of Savanna goats in Limpopo province, South Africa

Mathapo,

Tyasi,

Mugwabana

2023

Preprint

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Savanna goats is one of the South African commercial meat breeds. This study was conducted to predict body weight from body volume (BV), heart girth (HG) and body length (BL). A total of 139 savanna goats of the age between 1 and 5 years old of different sex (male and female) were used in the study for collection of body weight, body length and heart girth. The animals were kept under semi-intensive production system, where they were supplemented in the afternoon. Body volume was derived using cylinder volume formula from body length and heart girth as the components of model. R-studio software was employed for Pearson correlation matrix to assess the association between body weight, body length, heart girth and body volume. Simple linear regression was used to establish model to predict body weight. Pearson correlation results indicated that BW had a highly statistical significant (p<0.01) correlation with HG (r = 0.90), BV (r = 0.84) and BL (r = 0.66), respectively. Regression model findings indicated that HG had highest coefficient of determination (R2 = 0.81) and lowest mean square error (MSE = 24.85), and BV indicated highest coefficient of determination (R2 = 0.76) and low mean square error of (MSE = 35.07) while BL indicated lowest coefficient determination of (R2 = 0.45) and high mean square error (MSE = 70.80). In conclusion, correlation result suggests that by improving HG, BV and BL will result in improving BW of Savanna goats. Simple linear regression suggest that HG and BV can be used to estimate BW of Savanna goats.

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Section: Discussionsupporting

confidence: 93%

“…The results of the study showed a highly significant correlation between body weight and body volume. The results of the current study are in line with the results of Gurgel et al [16] and Salazar-Cuytun et al [15], who showed a highly significant correlation between body weight and Takaendengan et al [18] in horses and Salazar-Cuytun et al [15] in hair sheep, reported results that agree with the current study results, were it was found that body volume showed highest coefficient of determination in all the models that were employed. However, low coefficient of determination and high root mean square error was observed in lactating water buffalo [19].…”

Section: Discussionsupporting

confidence: 92%

Prediction of body weight from body volume of Savanna goats in Limpopo province, South Africa

Mathapo,

Tyasi,

Mugwabana

2023

Preprint

View full text Add to dashboard Cite

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Adaptive, morphometric and productive responses of Brazilian hair lambs: Crossing between indigenous breeds - A machine learning approach

Silveira,

McManus,

Carrara

et al. 2024

Small Ruminant Research

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Exploring the Rumen Microbiota and Serum Metabolite Profile of Hainan Black Goats with Different Body Weights before Weaning

Zheng,

Wang,

Mao

et al. 2024

Animals

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The critical role of the rumen microbiota in the growth performance of livestock is recognized, yet its significance in determining the body weight of goat kids before weaning remains less understood. To bridge this gap, our study delved into the rumen microbiota, serum metabolome, rumen fermentation, and rumen development in goat kids with contrasting body weights before weaning. We selected 10 goat kids from a cohort of 100, categorized into low body weight (LBW, 5.56 ± 0.98 kg) and high body weight (HBW, 9.51 ± 1.01 kg) groups. The study involved sampling rumen contents, tissues, and serum from these animals. Our findings showed that the HBW goat kids showed significant enrichment of VFA-producing bacteria, particularly microbiota taxa within the Prevotellaceae genera (UCG-001, UCG-003, and UCG-004) and the Prevotella genus. This enrichment correlated with elevated acetate and butyrate levels, positively influencing rumen papillae development. Additionally, it was associated with elevated serum levels of glucose, total cholesterol, and triglycerides. The serum metabonomic analysis revealed marked differences in fatty acid metabolism between the LBW and HBW groups, particularly in encompassing oleic acid and both long-chain saturated and polyunsaturated fatty acids. Further correlational analysis underscored a significant positive association between Prevotellaceae_UCG-001 and specific lipids, such as phosphatidylcholine (PC) (22:5/18:3) and PC (20:3/20:1) (r > 0.60, p < 0.05). In summary, this study underscores the pivotal role of the rumen microbiota in goat kids’ weight and its correlation with specific serum metabolites. These insights could pave the way for innovative strategies aimed at improving animal body weight through targeted modulation of the rumen microbiota.

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Prediction of weaning weight in Santa Inês lambs using the body volume formula

Cited by 3 publications

References 29 publications

Prediction of body weight from body volume of Savanna goats in Limpopo province, South Africa

Prediction of body weight from body volume of Savanna goats in Limpopo province, South Africa

Adaptive, morphometric and productive responses of Brazilian hair lambs: Crossing between indigenous breeds - A machine learning approach

Exploring the Rumen Microbiota and Serum Metabolite Profile of Hainan Black Goats with Different Body Weights before Weaning

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