Cashew processing product as alternative energy feedstuff for grazing beef cattle under tropical conditions

2020 ◽  
Vol 236 ◽  
pp. 104022
Author(s):  
H.A. Souza ◽  
E.H.B.K. Moraes ◽  
A.S. Oliveira ◽  
E.D. Batista ◽  
K.R. Santos ◽  
...  
Keyword(s):  
Beef Cattle ◽  
Alternative Energy ◽  
Tropical Conditions ◽  
Processing Product

scholarly journals Unraveling genetic sensitivity of beef cattle to environmental variation under tropical conditions

2019 ◽  
Vol 51 (1) ◽  
Author(s):  
Roberto Carvalheiro ◽  
Roy Costilla ◽  
Haroldo H. R. Neves ◽  
Lucia G. Albuquerque ◽  
Stephen Moore ◽  
...  
Keyword(s):  
Beef Cattle ◽  
Environmental Variation ◽  
Tropical Conditions

Stylosanthes cv. Campo Grande silage and concentrate levels in diets for beef cattle

2018 ◽  
Vol 58 (3) ◽  
pp. 539 ◽  
Author(s):  
T. C. da Silva ◽  
O. G. Pereira ◽  
R. M. Martins ◽  
M. C. N. Agarussi ◽  
L. D. da Silva ◽  
...  
Keyword(s):  
Beef Cattle ◽  
Control Diet ◽  
Average Daily Gain ◽  
Latin Square ◽  
Control Treatment ◽  
Ruminal Fermentation ◽  
Ruminal Ph ◽  
Tropical Conditions ◽  
Daily Gain ◽  
Potential Use

The objective of this study was to evaluate the ruminal and intestinal digestion, the ruminal fermentation and the performance of beef cattle fed diets containing Stylosanthes silage (StS) and corn silage (CS). The treatments consisted of diets containing StS with different concentrate levels, based on dry matter (DM) (g/kg): 200 (StS-200), 400 (StS-400), 60 (StS-600), and a Control treatment with 600 g/kg CS and 400 g/kg concentrate (CS-400). In Experiment 1, 32 Nellore bulls, 364.28 ± 2.82 kg bodyweight, were distributed in a complete randomised design with eight replicates. Four Holstein × Zebu bulls (average bodyweight of 429 ± 15 kg) were used in Experiment 2, distributed in a 4 × 4 Latin square design. Nutrient intake was similar between StS-400 and CS-400 (P > 0.05), however, only StS-600 showed the same intake of total digestible nutrients as CS-400 (P < 0.05). Only the animals fed the StS-600 diet had similar (P > 0.05) average daily gain of carcass in comparison with those fed the Control diet. The StS-200 and StS-400 diets showed lower (P < 0.05) total tract digestibility of DM and crude protein than CS-400 (P < 0.05). Ruminal pH values of StS-200 and SE-400 were higher (P < 0.05) than in CS-400. The StS-600 diet showed a similar productive performance to CS in diets with 600 g/kg of concentrate, highlighting the potential use of this legume in diets for beef cattle in tropical conditions.

Mineral Status and Supplementation of Grazing Beef Cattle Under Tropical Conditions in Guatemala: I. Macroelements

jpa ◽  
1988 ◽  
Vol 1 (4) ◽  
pp. 347-350 ◽  
Author(s):  
Jose Luis Valdes ◽  
L. R. McDowell ◽  
Marvin Koger
Keyword(s):  
Beef Cattle ◽  
Mineral Status ◽  
Tropical Conditions

Prediction of dry matter intake by feedlot beef cattle under tropical conditions

2020 ◽  
Author(s):  
H. M. da Silva ◽  
A. B. Donadia ◽  
L.F. Moreno ◽  
A.S. de Oliveira ◽  
E. H. B. K. Moraes ◽  
...  
Keyword(s):  
Beef Cattle ◽  
Dry Matter ◽  
Dry Matter Intake ◽  
Tropical Conditions

Crude glycerine as an alternative energy feedstuff for beef cattle grazing tropical pasture

2017 ◽  
Vol 155 (5) ◽  
pp. 839-846 ◽  
Author(s):  
L. M. SOCREPPA ◽  
K. A. K. MORAES ◽  
A. S. OLIVEIRA ◽  
E. D. BATISTA ◽  
L. C. A. B. DROSGHIC ◽  
...  
Keyword(s):  
Beef Cattle ◽  
Alternative Energy ◽  
Latin Square ◽  
Ammonia Concentration ◽  
Crude Glycerine ◽  
Protein Energy ◽  
Microbial Nitrogen ◽  
N Utilization ◽  
Energy Supplementation ◽  
Four Levels

SUMMARYThe purpose of the current study was to evaluate the effect of different levels of crude glycerine (CG, 810·9 g glycerol/kg) replacing dry ground maize on intake, digestibility, microbial nitrogen (N) synthesis and N utilization in grazing beef cattle. Five Nellore bulls (332 ± 29·6 kg initial body weight (BW)) were used in a 5 × 5 Latin square design. The animals grazed five Marandu grass (Urochloa brizantha cv. Marandu) paddocks of approximately 0·32 ha. Five supplements were evaluated: mineral supplementation (control, only ad libitum access to a mineral mixture) and 4 g of protein-energy supplementation/kg of BW with four levels of CG (0, 330, 660 and 1000 g/kg) replacing dry ground maize. Bulls that received protein-energy supplementation had greater organic matter (OM) pasture and digested OM (DOM) intakes than the control. No differences were observed among CG levels with regard to OM pasture, neutral detergent fibre and DOM intakes. However, ether extract intake increased linearly as CG levels increased. Protein-energy supplementation enhanced efficiency of microbial N synthesis, N balance and ammonia concentration, but they were not influenced by the CG levels. In conclusion, partial or total replacement of dry ground maize by CG in protein-energy supplements for grazing beef cattle exerted no changes on pasture intake, digestibility and N utilization. Therefore, the use of CG as an energy source in supplements for grazing cattle can be recommended.

scholarly journals Prediction of pasture intake by beef cattle in tropical conditions

2021 ◽  
Vol 54 (1) ◽  
Author(s):  
Geferson Antonio Fernandes ◽  
André Soares de Oliveira ◽  
Cláudio Vieira de Araújo ◽  
Victor Rezende Moreira Couto ◽  
Kamila Andreatta Kling de Moraes ◽  
...  
Keyword(s):  
Beef Cattle ◽  
Tropical Conditions

Prediction of Pasture Intake by Beef Cattle in Tropical Conditions

2021 ◽  
Author(s):  
Geferson Antonio Fernandes ◽  
André Soares de Oliveira ◽  
Cláudio Vieira de Araújo ◽  
Victor Rezende Moreira Couto ◽  
Kamila Andreatta Kling de Moraes ◽  
...  
Keyword(s):  
Beef Cattle ◽  
Crude Protein ◽  
Dry Matter ◽  
Prediction Models ◽  
Average Daily Gain ◽  
Random Effect ◽  
The Body ◽  
Dry Matter Intake ◽  
Accuracy And Precision ◽  
Tropical Conditions

Abstract A meta-analytic study was conducted to develop and evaluate models for the prediction of pasture dry matter intake (DMIpasture) by beef cattle in tropical conditions. 804 individual observations of DMIpasture were used, taken from 23 studies through analysis of mixed models, including the study as a random effect. To evaluate the accuracy and precision of the new models proposed as well as for the models of Azevedo et al., (2016) and Minson and McDonald (1987), an independent databank with 87 means from treatments of 21 experiments (n = 888 animals) was used. Three prediction models were adjusted: Model I (Animal Information), Model II (Animal Information + Supplement) and Model III (Animal Information + Supplement + Pasture). The proposed models presented similarity for the average square root of the prediction error. The inclusion of the predictive variables for supplementation (supplement dry matter intake - DMIsupplement - % of the body weight and crude protein intake through supplement) with the variables for the animal (BW0,75 and average daily gain) and of the pasture (% of crude protein) in Model III improves accuracy and precision and provides higher determination and correlation coefficients, and agreement than the other proposed models. Similarly, it was found to be more accurate and precise than the equations of Azevedo et al., (2016) and Minson and McDonald (1987), which presented lower precision and accuracy than the proposed models. The DMIpasture for beef cattle in tropical conditions is more accurate and precise when the information for the animal, supplement and pasture is included.

scholarly journals A meta-analysis of dry matter intake in Nellore and Zebu-crosses cattle

2010 ◽  
Vol 39 (8) ◽  
pp. 1801-1809 ◽  
Author(s):  
José Augusto Gomes Azevêdo ◽  
Sebastião de Campos Valadares Filho ◽  
Douglas dos Santos Pina ◽  
Mario Luiz Chizzotti ◽  
Rilene Ferreira Diniz Valadares
Keyword(s):  
Beef Cattle ◽  
Significant Variation ◽  
Dry Matter ◽  
Meta Analysis ◽  
Analysis Procedure ◽  
Genetic Group ◽  
Dry Matter Intake ◽  
Regression Equations ◽  
Tropical Conditions ◽  
Nellore Cattle

The study was carried out to develop and to evaluate new equations to predict dry matter intake (DMI) of Nellore and Zebu-crosses cattle using meta-analysis procedure. The data used to estimate the parameters were collected from independent performance experiments using growing and fattening Nellore and Zebu-crosses cattle, and they were compiled from 561 experimental units. Before proposing an equation to predict DMI, it was observed that the genetic group was a source of statisticaly significant variation. Therefore, equations to predict dry matter intake in the Zebu-Crosses and Nellore cattle were independently developed. The regression equations for Zebu-crosses cattle were: DMI = -2.6098 + 0.08844BW0.75 + 4.4672ADG - 1.3579ADG2 and DMI = -1.0094 + 0.01608BW + 4.4363ADG -1.2548ADG2. The regression equations for Nellore cattle were: DMI = -2.7878 + 0.08789BW0.75 + 5.0487ADG - 1.6835ADG2 and DMI = -1.3559 + 0.0159BW + 5.6397ADG - 1.8494ADG2. In order to evaluate fitted equations, it was utilized data from independent experiments published from 2005 to 2008 in the Revista Brasileira de Zootecnia. The equations (DMI) for Nellore overpredicted dry matter intake for estimates lower than 7 and higher than 10 kg·d-1. For Zebu-crosses cattle, dispersions of 3 kg d-1 were observed when extreme intakes were evaluated, however, when the equation included BW 0.75, the intercept did not differ from zero and the slope did not differ from 1. It is not possible to fit only one equation for preditcting DMI for beef cattle in tropical conditions, because there are differences between Zebu and Zebu-crosses. Fitted equations that include ADG and BW 0.75 should be used as an alternative method to predict dry matter intake of Zebu-crosses and Nellore beef cattle in tropical conditions.

scholarly journals Identification of the production system of beef cattle by the stable isotope analysis

2020 ◽  
Vol 55 ◽  
Author(s):  
Alexandre Perdigão ◽  
Cyntia Ludovico Martins ◽  
Luiz Carlos Vieira Junior ◽  
Maria Márcia Pereira Sartori ◽  
Maria Betânia Niehues ◽  
...  
Keyword(s):  
Stable Isotope ◽  
Beef Cattle ◽  
Production Systems ◽  
Isotopic Ratio ◽  
Cattle Production ◽  
Classification Rate ◽  
Δ13c And Δ15n ◽  
Carbon And Nitrogen ◽  
Tropical Conditions ◽  
Beef Cattle Production

Abstract: The objective of this work was to evaluate the potential of the stable isotope technique to characterize beef cattle production systems in tropical conditions. For this, carbon and nitrogen stable isotopes were identified in non-defatted and defatted bovine muscles. A total of 45 cattle were evaluated in three production systems: pasture, conventional feedlot, and young beef bull feedlot (n = 15 per system). Samples from the Trapezius cervicis, Longissimus dorsi, and Semitendinosus muscles were collected to determine the isotopic composition of δ13C and δ15N. The isotopic data of the δ13C and δ15N of non-defatted and defatted muscles were subjected to the principal component analysis (PCA) and to the discriminant analysis (DA). The PCA allowed separating the three production systems based on the results obtained for the non-defatted and defatted muscles. A correct global classification rate of 100% and a cross-validation rate of 100% were obtained with the DA. The carbon and nitrogen isotopic ratio of non-defatted and defatted muscles allows for the precise identification of beef cattle production systems in tropical conditions.

Alpharma Beef Cattle Nutrition Symposium: Alternative energy sources for beef cattle finishing diets1

2010 ◽  
Vol 88 (suppl_13) ◽  
pp. E121-E122 ◽  
Author(s):  
M. J. Hersom ◽  
D. L. Boss ◽  
J. J. Wagner ◽  
R. A. Zinn ◽  
M. E. Branine
Keyword(s):  
Beef Cattle ◽  
Alternative Energy ◽  
Energy Sources ◽  
Alternative Energy Sources
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