scholarly journals Zootechnic and economic indicators of termination in feedlot of different genetic groups of lambs

2021 ◽  
Vol 43 ◽  
pp. e51098
Author(s):  
Felipe Queiroga Cartaxo ◽  
Wandrick Hauss de Sousa ◽  
Marcílio Fontes Cezar ◽  
João Paulo de Farias Ramos ◽  
Iara Tamires Rodrigues Cavalcante ◽  
...  
Keyword(s):  
Operating Cost ◽  
Live Weight ◽  
Economic Indicators ◽  
Daily Weight Gain ◽  
Meat Production ◽  
Gross Margin ◽  
Genetic Groups ◽  
Sheep Meat ◽  
Santa Inês ◽  
Sorghum Silage

The objective of this work was to evaluate the performance, carcass traits and economic indicators of Santa Inês lambs and their crossings finished in feedlot. Thirty whole lambs (10 Santa Inês, 10 ½ Dorper + ½ Santa Inês and 10 ¾ Dorper + ¼ Santa Inês) were used, with 115 days of age and initial live weight of 20.07 kg. The lambs were kept for 60 days receiving sorghum silage and concentrate, after which they were slaughtered. The ¾ Dorper + ¼ Santa Inês lambs and the ½ Dorper + ½ Santa Inês lambs showed higher of dry matter intake and water intake, greater daily weight gain and body score in relation to Santa Inês lambs. The carcasses of ¾ Dorper + ¼ Santa Inês lambs showed better conformation, finishing and marbling. The gross profit margin showed positive values for all genetic groups, covering the effective operating cost. Dorper crossbred lambs had a higher gross margin compared to Santa Inês lambs. The cost of the diet represented on average 61.35% of the price paid per kilo of sheep meat. In the sheep meat production system, the genetic group influences the zootechnical and economic indicators of finishing feedlot of lambs.

scholarly journals Evaluation of production systems and economic analysis of baby goats raised in the semiarid region of Paraíba

2021 ◽  
Vol 15 (2) ◽  
pp. 123-129
Author(s):  
Norivaldo Lima Santos ◽  
Wandrick Hauss de Sousa ◽  
Maria das Graças Gomes Cunha ◽  
João Paulo de Farias Ramos ◽  
Felipe Queiroga Cartaxo ◽  
...  
Keyword(s):  
Weight Gain ◽  
Production Systems ◽  
Operating Cost ◽  
Economic Indicators ◽  
Semiarid Region ◽  
Gross Margin ◽  
Traditional System ◽  
Randomized Design ◽  
Similar Weight ◽  
Completely Randomized Design

The objective of this study was to evaluate the performance and economic indicators of baby goats region submitted to different feeding systems in the Semiarid. A total of 30 baby goats of breed Parda Alpina × without defined racial pattern (SPRD) with initial weight of 3.35 kg ± 0.65 kg and final weight of 12.3 kg ± 0.5 kg were used, distributed in a completely randomized design in three breastfeeding systems with ten replicates each: traditional system (with natural breastfeeding), intensive breastfeeding system without concentrated supplementation, and intensive breastfeeding with concentrated supplementation. Goats submitted to the intensive artificial feeding system without concentrated supplementation showed a similar weight gain (121 g/day) when compared to the goats submitted to the system of suckling with concentrated supplementation (126 g/day). The highest income was provided by the animals submitted to the intensive system of suckling with concentrate. The gross margin for the two centenarians was positive, that is, revenues are higher than the effective operating cost, allowing us to conclude that the activity is paying off and will survive, at least in the short term. The diet of kids using concentrate provided better dry matter intake, greater weight gain and consequently presented better economic indicators.

Super dose of phytase in compound feed for turkey poults

2020 ◽  
pp. 12-19
Author(s):  
N. Kolokolnikov ◽  
E. Amiranashvili ◽  
A. Yatsishin ◽  
E. Chaunina ◽  
I. Mezentsev ◽  
...  
Keyword(s):  
Animal Feed ◽  
Live Weight ◽  
Negative Influence ◽  
Economic Indicators ◽  
Control Group ◽  
Meat Production ◽  
Turkey Poults ◽  
High Doses ◽  
The Cost ◽  
Experimental Group

In the practice of feeding poultry enzyme drugs are widely used that contribute to the effective transformation of feed components into poultry products. Reducing the cost of compound feed for poultry due to the introduction of enzyme drugs is of great interest, both from a scientific and practical point of view. More than 2/3 of phosphorus in plant feeds is represented in the form of phytate and in this form the element is only partially absorbed in the poultry body. Accordingly to cover the need for phosphorus in plant diets include inorganic phosphates, animal feed and the enzyme phytase (breaks down phytate). This makes phosphorus the third most expensive feed component after energy and protein. The purpose of the researches was to study the effectiveness of using super dose commercial phytase in feeding of turkey poults. The results of research on the use of high doses of phytase in the diet of turkey poults of cross Hybrid Converter have been presented. It has been found that the use of compound feeds containing the super dose of phytase in the rearing of broiler turkey poults does not have a negative influence on the zootechnical indicators of poultry rearing, meat productivity, and increases the economic indicators of meat production. The results on base the experiment, economic indicators have been calculated. It has been found that the cost of 1 ton of compound feed consumed in the experimental group was less than in the control group by 166,28 rubles or 0,7 %. The use of high doses of phytase in the diet of turkey poults of the experimental group allowed to reduce the cost of growth of 1 kg of live weight by 4,7 % and increase the profitability of meat production.

Effectiveness of using naked oat in compound feed for quails

2020 ◽  
pp. 4-11
Author(s):  
S. Shpynova ◽  
O. Yadrishchenskaya ◽  
T. Selina ◽  
E. Basova
Keyword(s):  
Energy Content ◽  
Raw Materials ◽  
Live Weight ◽  
Economic Indicators ◽  
Farm Animals ◽  
Feed Consumption ◽  
Control Group ◽  
Meat Production ◽  
Naked Oat ◽  
Experimental Group

The development of industrial poultry farming requires not only the breeding of new highly productive poultry breeds, but also the development of new rearing technologies and the improvement of standardized nutrition. Currently, in the field of feeding farm animals and poultry an important research area is the search for cheaper non-traditional and affordable feed products that can replace part of the grain in the poultry diet. It is very important to use local raw materials. One of these crops is naked oat, which has the highest energy content, the highest concentration of lysine and methionine among all cereals. The purpose of the researches was to determine the eff ectiveness of using naked oat in compound feed for quails. The results of the influence of complete nutrient-balanced compound feeds with naked oat on zootechnical and economic indicators in the rearing of quails have been presented in the article. It has been found that the live weight of quails in the experimental group has been increased by 3,06 %, while the average daily feed consumption has been increased by 1,83 %. Feed expenditures per 1 kg of live weight gain in the experimental group have been lower by 1,31 % due to the absorption of feed nutrients. According to the results of the balance experiment, the digestibility of raw protein has increased by 1,90, fat by 0,41 %, nitrogen-free extractive substances by 2,77 %. When calculating economic indicators, it has been found that the use of naked oat in compound feed for quails allowed to increase the yield of meat and revenue from its sale by 3,75 %. Despite an increase in the total cost of feed consumed by the experimental group by 2,27 %, the profi t has been received by 9,59 % more. The level of profi tability of quail meat production in the experimental group exceeded the indicator of the control group by 3,40 %.

scholarly journals Allometric growth of non-carcass components in crossed lambs

2014 ◽  
Vol 44 (7) ◽  
pp. 1229-1235 ◽  
Author(s):  
Iraides Ferreira Furusho Garcia ◽  
Tharcilla Isabella Rodrigues Costa Alvarenga ◽  
Juan Ramon Olalquiaga Perez ◽  
Amelia Katiane de Almeida ◽  
Sarita Bonagurio Gallo ◽  
...  
Keyword(s):  
Live Weight ◽  
The Other ◽  
Allometric Growth ◽  
Genetic Groups ◽  
Males And Females ◽  
Santa Inês

Males and females, including purebred Santa Inês lamb (SI) and crosses between Santa Inês dams and Texel (TxSI), Ile de France (IFxSI) and Bergamasca (BxSI) sires were feedlot finished and slaughtered at 15, 25, 35 and 45kg live weight. After slaughter, the following non- carcass components were weighed and calculated the allometric growth. Lungs of BxSI males grew faster than those of SI and TxSI. Trachea/esophagus in SI and TxSI males grew slower than IFxSI and BxSI. Kidneys BxSI males grew faster than TxSI and IFxSI. Livers of female TxSI lamb grew more rapidly than those of females in the other genetic groups. In both males and females, the rumen/reticulum grew faster in the TxSI group than SI and BxSI groups.

scholarly journals Selection Criteria for Meat Production Based on the Morphometry of Morada Nova Lambs: A Systematic Approach

2021 ◽  
Author(s):  
Genilson Cesar Alves ◽  
Wilder Hernando Ortiz Vega ◽  
Robson Silveira ◽  
Hélio Henrique Araújo Costa ◽  
Aline Vieira Landim
Keyword(s):  
Selection Criteria ◽  
Carcass Characteristics ◽  
Meat Production ◽  
Multivariate Techniques ◽  
Genetic Groups ◽  
Sheep Meat ◽  
Randomized Design ◽  
Total Data ◽  
Morphometric Index ◽  
Sheep Production

Abstract The objective of this study was to characterize the meat production potential of Morada Nova lambs from different genetic groups using morphological and zoometric data, performance and carcass characteristics. A total of 24 non-castrated male lambs from two genetic groups were used: Morada Nova red (MNR) and Morada Nova F1 red x Morada Nova white (MNF1) breed, with an initial mean body weight of 16.9 ± 3.43 kg and an average age of four months were distributed in a completely randomized design. Evaluations of morphometric data and zoom indices, performance and carcass characteristics were measured and calculated. Univariate and multivariate techniques were used to differentiate and reduce the number of variables, to group them and then develop and validate a sheep meat production index. Only 12 differences in the 29 morphometric measurements and zoometric indices analyzed were observed (P < 0.05). Furthermore, only 7 of the 28 quantitative and qualitative characteristics of the carcass were greater (P < 0.05) in MNF1 lambs. The yields of commercial cuts and the physical-chemical characteristics and qualitative measurements of the carcass were similar (P > 0.05) between the genetic groups. All groups of variables, except the cut yield, have discriminatory power (P < 0.05) with the highest classification percentages for body morphometry (91.3%) and zoometric indices (95.7%). The four identified factors, which together explain more than 85.0% of the total data variation, were renamed in the following order of importance: morpho-economic (38.5%), morpho-productive (18.8%), morpho-commercial (17.5%), and equilibrium (11.0%). The heat map showed the suitability in the morpho-commercial and morpho-economic factors for MNF1 lambs, while the MNR lambs showed emphasis for the equilibrium factor. Thus, the Sheep Meat Morphometric Index (SMMI) resulted in the following equation SMMI =\(\frac{\text{A}\text{I} \times 0.771 + \text{C}\text{H} \times 0.759 + \text{R}\text{H} \times 0.878 + \text{T}\text{P}\text{R}\text{I} \times 0.876 + \text{B}\text{I} \times 0.550 + \text{C}\text{W} \times 0.905}{100}\) In which: AI is the anamorphosis index; CH is chest height; RH is rump height; TPRI is the thoracic perimeter relation index; BI is body index; and CW is chest width. The application and validation of the developed index showed superiority (P < 0.001) for meat production in the crossed lambs. MNR and MNF1 lambs have high thoracic development, compact character and aptitude for meat production. Lambs crossed between genetic groups of the MN breed are another sustainable option for sheep production in drylands. It is recommended that the SMMI be used as a tool for morpho-productive selection criteria in breeding programs in the MN breed, as well as other small native breeds.

scholarly journals On-farm Evaluation and Demonstration of Different Feeding Technological Options forBeef Cattle Fattening in Adami Tulu Jidokombolcha District, East Shoa Zone

2020 ◽  
Vol 2 (1) ◽  
Author(s):  
Aman Gudeto ◽  
Tesfaye Alemu T ◽  
Ashebir Worku ◽  
Frehiwot Mesele ◽  
Genet Dadi ◽  
...  
Keyword(s):  
Weight Gain ◽  
Wheat Bran ◽  
Cost Benefit Analysis ◽  
Live Weight ◽  
Cost Benefit ◽  
Daily Weight Gain ◽  
Average Daily Weight Gain ◽  
Gross Margin ◽  
Total Weight Gain ◽  
On Farm

Evaluation and demonstration study was conducted at Kemo-Gerbi kebele of Adami Tulu Jidokombolcha district on Borana bulls with the objectives of evaluation and demonstration of bulls fattening technologies at on-farm level. One farmer’s research extension group (FREG) was formed for fattening the bulls. Twenty bulls were purchased from Borana zone by farmers for the fattening trials. Two feeding treatments (T1= Grazing + 20% crushed maize grain + 45% wheat bran + 35% Noug cake and T2 = Grazing + 65% wheat bran + 35% cotton seed cakes) were evaluated. The animals were randomly assigned for dietary rations and data on live weight change of the animals were taken using weight chart tape (developed by JICA project).  Final body weights, total weight gain and average daily weight gain of the bulls were not significant (P>0.05) among the treatments. Bulls fed on treatment one attained an average daily weight gain of 0.83 kg per bull ; while bulls fed on treatment two gained 0.76 kg per bull per day. Total gross margin of treatment one (53,154.5 ETB) was higher than treatment two (49,467.75 ETB). Cost-benefit analysis indicated that feeding option number one (T1) is more economical as compared to bulls fed on T2.  However, fatteners can use any of the feeding options depending on availability of the ingredients in their area.

scholarly journals Effect of partial replacement of wheat with extruded bakery waste in fattened domestic quail rations

2021 ◽  
Vol 19 (1) ◽  
pp. 44-52
Author(s):  
H. Lukanov ◽  
I. Pavlova ◽  
A. Genchev
Keyword(s):  
Weight Gain ◽  
Production Line ◽  
Live Weight ◽  
Daily Weight Gain ◽  
Feed Consumption ◽  
Partial Replacement ◽  
Meat Production ◽  
Feed Conversion ◽  
The Difference ◽  
Combined Feed

A study was conducted to establish the possibilities for replacing 5 and 10% of wheat in the combined feed for domestic quails with extruded bakery waste and to study its impact on the growth and productivity of quails. 270 domestic quails from the specialized meat production line WG were included in the experiment and divided according to the principle of analogues into 3 aligned groups: control, fed with mixtures without the inclusion of extruded waste from bakeries; experimental I, in the mixtures of which 5% of the wheat was replaced with extruded bakery waste and experimental II, in which 10% of the wheat in the mixtures was replaced by extruded bakery waste. The experiment continued until the age of 35 days. The following signs were monitored: mortality (%), live weight (g), average daily weight gain (g), feed consumption (g), feed conversion (kg/kg weight gain). The study showed that for the 35-day period, the quails from the specialized meat production line WG consumed an average of 812-817 g of compound feed, with an average increase of the weight gain 255-258 g. Under these conditions, the average feed conversion ratio is in the range of 3.15-3.20. In the course of the trial it was found that the replacement of 5 and 10% of wheat in the feed mixture with extruded bakery waste reduces the value of compound feed by an average of 0.85 and 1.7%, but does not affect the studied productivity traits and economic indicators from fattening. When summarizing the results for the 35-day period, the differences between the control and experimental groups on the studied productive traits are less than 2%, and the difference in the value of 1 kg weight gain between the groups is less than 1%.

scholarly journals Feedlot-finishing lambs with different levels of soybean pre-cleaning by-product as the roughage source

2021 ◽  
Vol 42 (3Supl1) ◽  
pp. 1797-1812
Author(s):  
Viviana Reboledo da Costa ◽  
◽  
Sérgio Carvalho ◽  
Bernardo da Trindade Gallarreta ◽  
Karoline Wagner Leal ◽  
...  
Keyword(s):  
Feeding Behavior ◽  
Live Weight ◽  
Daily Weight Gain ◽  
Feed Cost ◽  
Quadratic Response ◽  
Feedlot Lambs ◽  
Sorghum Silage ◽  
Behavior Characteristics ◽  
Santa Maria ◽  
Different Levels

An experiment was conducted in the Sheep Farming Laboratory at the Federal University of Santa Maria to examine the effect of different levels of replacement of sorghum silage with soybean pre-cleaning by-product (SPCB) on nutrient intake, performance and feeding behavior; as well as to undertake an economic analysis of feeding finishing lambs in a feedlot system. The study involved 32 uncastrated Texel × Ile de France crossbred male lambs weaned at 60 days of age. Treatments consisted of diets in which the roughage source (sorghum silage) was replaced with SPCB at the levels of 0, 33.5, 66.5 or 100% (DM basis). A 45:55 roughage:concentrate ratio was used (DM basis). The diets were composed of a roughage feed based on sorghum silage and/or SPCB, and a concentrate consisting of crushed maize, soybean meal and limestone. In addition, mineral salt was freely available to the animals. The lambs were slaughtered upon reaching the pre-established live weight of 35 kg. Intake on a DM basis showed a quadratic response (P ≤ 0.05) in all forms it was evaluated and expressed, except for the NDF fraction, which increased linearly (P ≤ 0.05) with SPCB inclusion. Average daily weight gain was not significantly influenced (P > 0.05) by the different SPCB levels, averaging 292 g/day. As regards the feeding behavior characteristics evaluated, the number of daily feeding bouts increased linearly (P ≤ 0.01) with the SPCB content of the diets. Total feed cost decreased linearly (P ≤ 0.01), whereas the profit per kilogram of gain and profit obtained per day in the feedlot period increased linearly (P ≤ 0.01) with SPCB inclusion. The use of soybean pre-cleaning by-product as the roughage source in the finishing of feedlot lambs proved to be a viable alternative in both the productive and economic terms.

scholarly journals Physical composition, primary cuts and meat cuts of carcasses from Zebu and Bos taurus X Bos indicus crossbred cattle

2009 ◽  
Vol 38 (9) ◽  
pp. 1712-1718 ◽  
Author(s):  
Daniel Perotto ◽  
José Jorge dos Santos Abrahão ◽  
José Luiz Moletta ◽  
Meiby Carneiro de Paula ◽  
Fernando Kuss
Keyword(s):  
Bos Taurus ◽  
Bos Indicus ◽  
Live Weight ◽  
Genetic Group ◽  
Carcass Weight ◽  
Crossbred Cattle ◽  
Meat Weight ◽  
Genetic Groups ◽  
Red Angus ◽  
Sorghum Silage

Data on hot carcass weight, hot carcass yield, hindquarter weights and physical components, forequarter and spare ribs, and the weights of the main commercial cuts from the hindquarters of twenty young intact bulls were assessed. The animals, belonging to four genetic groups (Nellore, ½ Guzerath + ½ Nellore (½ G + ½ N), ½ Red Angus + ½ Nellore (½ R + ½ N) and ½ Marchigiana + ½ Nellore (½ M + ½ N)), were raised on pastures, finished in dry lot and slaughtered at live weights ranging from 445 to 517 kg, and at ages ranging from 679 to 863 days. During the dry lot period, which lasted 114 days, animals were fed sorghum silage offered ad libitum, and a concentrate (13.5 MJ of ME, 18% CP in the DM) at 1% live weight per day. Genetic group influenced hot carcass weight, forequarter weight, meat weight in the spare ribs, as well as meat and bone weights in the forequarter. Animals in the ½ M + ½ N group were superior both to those in the Nellore and in the ½ G + ½ N groups for hot carcass weight, forequarter weight and meat weight in the spare ribs. The ½ M + ½ N group also differed from the ½ R + ½ N and from the ½ G + ½ N groups in terms of forequarter weight and meat weight in the forequarter, respectively. Conversely, forequarter bone weight of ½ M + ½ N animals was higher than in animals from the Nellore and the ½ R + ½ N groups, respectively. There was no effect of genetic group on hindquarter cuts, except for higher shank and knuckle weights in the ½ M + ½ N group compared to the ½ G + ½ N and Nellore groups, respectively.

scholarly journals Improving the quality of broiler meat when using sea buckthorn meal in feed

2021 ◽  
Vol 935 (1) ◽  
pp. 012042
Author(s):  
I G Seregin ◽  
S S Kozak ◽  
V G Semenov ◽  
Yu A Kozak ◽  
V V Boronin
Keyword(s):  
Weight Gain ◽  
Clinical Condition ◽  
Live Weight ◽  
Sea Buckthorn ◽  
Daily Weight Gain ◽  
Control Group ◽  
Meat Production ◽  
Broiler Meat ◽  
Basic Diet

Abstract Sea buckthorn berries and products of their processing, including meal, have certain prospects in improving broiler meat production. The present paper contains materials on feeding broilers with sea buckthorn meal in the amount of 0.4-0.6% of the basic diet of chickens. Meal was added to the feed of broilers starting with Day 14 and up to Day 49 of age. The feed intake (basic diet), clinical condition of chickens, daily weight gains and preslaughter live weight were considered. The study was carried out by comparing to the group of chickens of the same age that received additional 0.4-0.6% feed instead of 0.4-0.6% of sea buckthorn meal. At the age of 49 day s all chickens were slaughtered for further study of meat characteristics comparing to meat of broilers of the control group. The use of sea buckthorn meal in feeds during 35 days in the amount of about 0.6% of the basic diet provided1 1% increase of daily weight gain of broilers compared to the control group and improved consumer as well as veterinary and sanitary meat characteristics.

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