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Amino acid reduction in broiler diets supplemented with phytase and elaborated according to different nutritional plans Ciência e Agrotecnologia
Oliveira,Jeferson Eder Ferreira; Rodrigues,Paulo Borges; Alvarenga,Renata Ribeiro; Zangeronimo,Márcio Gilberto; Lima,Gustavo Freire Resende.
The need for suitable diets in chickens, considering the ideal protein concept associated with phytase, is important in order to improve the productivity of birds. The aim of this study was to assess the need for the correction of amino acid levels in the diets of broilers, by using different combinations of crude protein (CP) supplemented with phytase. For performance, eight days old Cobb 875 broiler chicks, with initial body weights of 155 ± 1.4g were used. The birds were distributed in a completely randomised design with seven treatments (nutritional plans) and five replicates of 25 birds. For the metabolism trial, 300 birds were selected which were also distributed using the same design, but with five, four and three birds per experimental stage: 8-21...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Carcass characteristics; Ideal protein; Nutrition; Performance.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542012000200012
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Available phosphorus levels in diets supplemented with phytase for male broilers aged 22 to 42 days kept in a high-temperature environment R. Bras. Zootec.
Tizziani,Tarciso; Donzele,Rita Flávia Miranda de Oliveira; Donzele,Juarez Lopes; Balbino,Eric Márcio; Silva,Amanda Dione; Figueiredo,Érika Martins de; Muniz,Jorge Cunha Lima; Jacob,Rodrigo de Freitas.
ABSTRACT This study was conducted to evaluate the effect of reduction of the available phosphorus (avP) in diets supplemented with 500 FTU/kg phytase on performance, carcass characteristics, and bone mineralization of broilers aged 22 to 42 days kept in a high-temperature environment. A total of 336 Cobb broilers with an average initial weight of 0.883±0.005 kg were distributed in a completely randomized design with six treatments - a positive control (0.354 and 0.309% avP without addition of bacterial phytase for the phases of 22 to 33 and 34 to 42 days, respectively), and another five diets with inclusion of phytase (500 FTU) and reduction of the level of avP (0.354, 0.294, 0.233, 0.173, and 0.112%; and 0.309, 0.258, 0.207, 0.156, and 0.106% for the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bone mineralization; Carcass characteristics; Heat stress; Performance; Thermal environment.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982016000200048
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Cashew nut meal subjected to prolonged storage for quail feeding R. Bras. Zootec.
Farias,Nadja Naiara Pereira; Freitas,Ednardo Rodrigues; Xavier,Regina Patrícia de Souza; Braz,Nádia de Melo; Souza,Davyd Herik; Tavares,Thais Cruz Lopes.
ABSTRACT The objective of this study was to evaluate the oxidative stability of cashew nut meal (CNM) at 180 days of storage and the effects of its use in the feed of meat quails. A total of 280 animals at seven days of age, of both sexes, were distributed in a completely randomized design with five treatments, in a 2 × 2 + 1 factorial arrangement, and seven replicates of eight birds each. The treatments were a control diet without CNM and diets containing levels of 12.5 or 25% of new CNM (NCNM) or stored for 180 days (SCNM). The lipid oxidation of the brans was evaluated by determining the acidity index and peroxide index. The parameters evaluated were the quail performance, metabolizable coefficients and energy of diets, carcass characteristics, relative...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Carcass characteristics; Feed intake; Feed conversion; Metabolizable energy; Quail; Weight gain.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982017000700576
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Effect of dietary probiotic supplementation on carcass traits and haematological responses of broiler chickens fed shea butter cake based diets Animal Sciences
Aguihe, Paschal Chukwudi; Kehinde, Abiodun Solomon; Abdulmumini, Sufiyan; Ospina-Rojas, Iván Camilo; Murakami, Alice Eiko.
A 42-day study was conducted to investigate probiotic supplementation on shea butter cake (SBC) based diets of broilers on the carcass traits and haematological indices. A total of 280, 1-day old Arbor acres strain broiler chicks were divided into 7 dietary treatments with 4 replicates of 10 birds each in a completely randomized design. Diet 1 (control diet) has no SBC and probiotic supplementation while remaining 6 diets contained 5, 10, and 15% levels of SBC each with (+) or without (-) probiotic supplementation. The results showed that carcass parameters and prime cuts weights increased (p < 0.05) in birds fed probiotic-SBC diets compared to control diets. Abdominal fat content was lower (p < 0.05) in birds fed probiotic-SBC diets than those on...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Agro by-product; Feed additive; Carcass characteristics; Blood; Chicken..
Ano: 2017 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/34813
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Effect of sodium gluconate on performance, carcass characteristics, and intestinal morphometry of broilers from 22 to 42 days of age - 10.4025/actascianimsci.v34i1.11211 Animal Sciences
Junqueira, Otto Mack; FCAV - UNESP - Jaboticabal; Duarte, Karina Ferreira; FCAV - UNESP - Jaboticabal; Garcia, Edivaldo Antônio; FMVZ - UNESP - Botucatu; Sgavioli, Sarah; FCAV - UNESP - Jaboticabal; Praes, Maria Fernanda Ferreira Manegucci; FCAV - UNESP - Jaboticabal; Molino, Andréa de Britto; FMVZ - UNESP - Botucatu.
The objective of this experiment was to evaluate the effect of the sodium gluconate addition on performance (feed intake, body weight, weight gain, feed conversion, livability and productive efficiency), carcass characteristics (carcass, breast, thigh and drumstick, wing and back yield), and morphometry of duodenum, jejunal and ileum of broilers from 22 to 42 days of age. A total of 1,200 Cobb male broilers were distributed in a completely randomized design with five treatments (0.00, 0.10, 0.20, 0.30 and 0.40% sodium gluconate), and eight replications of 30 broilers each. The inclusion of sodium gluconate did not affect the broiler performance and carcass characteristics. However, the morphometry of duodenum and jejunal mucosa showed beneficial effects
Tipo: Pesquisa Científica Palavras-chave: 5.04.03.00-1 butyrate; Prebiotic; Carcass characteristics; Intestinal mucosa.
Ano: 2011 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/11211
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Efficacy of Zinc/Creatine Supplementation on Improving Growth Performance of Local Balady Chicks Rev. Bras. Ciênc. Avic.
Amer,NSI; Hatab,MH; Sabic,EM.
ABSTRACT An experiment was designed to study the efficacy of Zinc and or creatine monohydrate (CMH) supplementation, either alone or in combination, on improving growth performance of Balady chicks. A total number of 144 Balady chicks were randomly divided into four equal groups. The first treatment was fed the basal diet and served as control, while groups 2, 3, and 4 were given the basal diet and supplemented drinking water with, 0.6 mg/ml (zinc sulphat); 0.45 mg/ml (CMH); 0.6 mg/ml (zinc sulphat) + 0.45 mg/ml (CMH), respectively. The results indicated that the live body weight, weekly body weight gain and feed efficiency were significantly (p≤0.05) improved in all treated groups compared with the control. Also, significant decrease (p≤0.05) has been...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Zn and CMH supplementation; Balady chicks; Performance; Carcass characteristics; Hematological; Biochemical indices.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2018000200219
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Estimating the Economic Value of Specific Characteristics Associated with Angus Bulls Sold at Auction AgEcon
Jones, Rodney D.; Turner, Tyler; Dhuyvetter, Kevin C.; Marsh, Thomas L..
The genetic traits of a purebred bull convey the reproductive and economic value to buyers. This study examines and compares the value of actual production weights (birth, weaning, and yearling weight), production expected progeny differences (EPDs) (birth, weaning, milk, and yearling), and ultrasound EPDs (carcass quality predictors) for purebred Angus bulls sold at auction. One EPD, birth weight, was valued by buyers more than its corresponding actual weight, though both actual weights and EPDs significantly impact price. Predictors of carcass quality were important in determining price. Finally, several individual animal factors and sale characteristics were significant in determining price.
Tipo: Journal Article Palavras-chave: Angus bulls; Carcass characteristics; EPDs; Marketing factors; Production factors; Agribusiness; Agricultural and Food Policy; Agricultural Finance; Food Consumption/Nutrition/Food Safety; Livestock Production/Industries; Q10; Q12.
Ano: 2008 URL: http://purl.umn.edu/45528
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Gender and live weight on carcass and meat characteristics of donkeys Ciência Rural
Hernández-Briano,Pedro; Ramírez-Lozano,Roque Gonzalo; Carrillo-Muro,Octavio; López-Carlos,Marco Antonio; Méndez-Llorente,Fabiola; Aguilera-Soto,Jairo Iván.
ABSTRACT: One hundred eighty-nine Catalan crossbreed donkeys (Equus africanus asinus) were used to evaluate the effect of gender (gelding, n=106; or female, n=83) and live weight at slaughter (LW) (<100kg, n=25; 101 to 125kg, n=42; 126 to 150kg, n=85; and 151>kg, n=37) on carcass characteristics, non-carcass components and meat and fat color. Geldings had greater (P<0.05) carcass weight, carcass dressing and *L value of subcutaneous fat than females; but females had greater (P<0.05) cooling loss, a* value of semitendinosus muscle and b* value of subcutaneous fat. Donkeys with more than 126kg of LW showed greater (P<0.05) carcass weight and dressing and lower (P<0.05) cooling loss compared to lighter donkeys. The a* value of semitendinosus...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Carcass characteristics; Donkey; Gender; Weight; Meat.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782018000400654
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Niveles de lisina y treonina digestible en dietas sorgo-pasta de soya para cerdos en crecimiento. Colegio de Postgraduados
Gutiérrez Hernández, Sandra.
La lisina (lis) y treonina (tre) son el primer y segundo aminoácidos limitantes en las dietas de cerdos para la síntesis de proteína. El objetivo del trabajo fue evaluar el efecto de diferentes niveles de lisina y treonina en dietas sorgo-pasta de soya para cerdos en crecimiento, sobre el comportamiento productivo, características de la canal y la concentración de urea en plasma. En el experimento 1 los tratamientos (T) fueron: T1, 0.83 lis+ 0.52 tre; T2, 0.83 lis+ 0.62 tre; T3, 0.93 lis+ 0.52 tre; T4, 0.93 lis+ 0.62 tre). Se utilizaron 36 cerdos (19 hembras y 17 machos castrados) híbridos (Landrace×Yorkshire×Pietrain) con peso promedio inicial de 27,65 ± 5,65 kg durante cuatro semanas, distribuidos en un diseño completamente al azar con arreglo factorial...
Palavras-chave: Lisina; Treonina; Comportamiento productivo; Características de la canal; Lysine; Threonine; Productive performance; Carcass characteristics; Ganadería.
Ano: 2014 URL: http://hdl.handle.net/10521/2288
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Nutritional plans of digestible phosphorus for growing-finishing barrows R. Bras. Zootec.
Santos Nieto,Viviane Maria Oliveira dos; Kiefer,Charles; Nascimento,Karina Márcia Ribeiro de Souza; Gonçalves,Liliane Maria Piano; Marçal,Danilo Alves; Abreu,Rodrigo Caetano de; Santos,Alexandre Pereira dos; Alencar,Stephan Alexander da Silva.
ABSTRACT This study was conducted to evaluate nutritional plans of digestible phosphorus for barrows weighing between 30 and 100 kg. Eighty animals were distributed in a randomized block design with five nutritional plans containing 2.19-1.86-1.71, 2.57-2.23-2.09, 2.94-2.61-2.46, 3.32-2.99-2.84, and 3.70-3.36-3.32 g of digestible phosphorus kg−1 of diet, respectively, for the phases of 30 to 50 kg, 50 to 70 kg, and 70 to 100 kg, with eight replications and two barrows per experimental unit. The nutritional plans of digestible phosphorus had no effect on the final body weight, feed intake, daily weight gain, or feed conversion of barrows. The daily intake of digestible phosphorus increased with the dietary concentrations of digestible phosphorus. Of the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Carcass characteristics; Mineral requirements; Nutrient requirement.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982018000100527
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Performance and carcass characteristics of beef cattle fed with ammoniated marandugrass hay R. Bras. Zootec.
Roth,Marcella de Toledo Piza; Resende,Flávio Dutra de; Reis,Ricardo Andrade; Siqueira,Gustavo Rezende; Faria,Marcelo Henrique de; Berchielli,Telma Teresinha.
This trial was conducted aiming to evaluate the effects of Brachiaria brizantha vegetative seed harvest residues hay treated with anhydrous ammonia (NH3) or urea, and protein sources on the steers performance, and carcass quality. Twenty-four male beef cattle were (12 F1 Nellore X Aberdeen Angus and 12 F1 Nellore X Red Angus), distributed in four treatments, with six replications. Animal crossbreed type and initial body weight were considered blocks. The diets were: Untreated hay supplemented with non-protein nitrogen (UHNPN); untreated hay supplemented with cottonseed meal (UHCM), hay treated with 5% urea (HTU), hay treated with 3% anhydrous ammonia (HTA) of DM%. Diets were formulated to be isoproteic and isoenergetic. The initial body weight (kg), daily...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Ammoniation; Animal performance; Carcass characteristics; Chemical treatment; Forage quality; Haymaking.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982009000900030
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Performance and some intestinal functions of broilers fed diets with different inclusion levels of sunflower meal and supplemented or not with enzymes Rev. Bras. Ciênc. Avic.
Horvatovic,MP; Glamocic,D; Zikic,D; Hadnadjev,TD.
Enzyme supplementation of diets enhances broiler performance by improving some of the basic production parameters such as average feed intake, feed conversion ratio, or average weight gain. The enzyme NSPase is commonly used in broiler diets containing high levels of viscous cereals such as barley, oat, wheat, or sorghum. The use of NSPase in diets with different levels of sunflower meal has been not been extensively explored. The experiment was carried out to evaluate the effects of the inclusion of sunflower meal levels in grower and finisher broiler diets supplemented or not with enzymes (cellulase, β-glucanase, and xylanase) on broiler performance, intestinal function, and carcass traits. A completely randomized experimental design, with 3*2 factorial...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Carcass characteristics; Enzyme activity; Performance; Viscosity.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2015000100025
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Protease Supplementation under Amino Acid Reduction in Diets Formulated with Different Nutritional Requirements for Broilers Rev. Bras. Ciênc. Avic.
Dessimoni,GV; Dalólio,FS; Moreira,J; Teixeira,LV; Bertechini,AG; Hermes,RG.
ABSTRACT This study aimed to evaluate the effect of different reductions in digestible amino acids content (lysine, methionine, and threonine), according to two nutritional requirements in corn, soybean meal, and meat and bone meal based diets, with protease supplementation, on performance parameters and carcass characteristics. A total of 1080 day-old chicks, male, Cobb 500, were allotted to a completely randomized design, in a factorial arrangement 3 x 2, three reductions in digestible amino acids content (lysine, methionine, and threonine) and two nutritional requirements (Rostagno et al. 2005 and Cobb-Vantress Guidelines 2008), and all diets were supplemented with protease (200 ppm) with 6 replicates of 30 birds per pen. There was no significant...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Performance; Nutritional recommendations; Monocomponent protease; Carcass characteristics; Poultry.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2019000100305
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Quality characteristics of Longissimus dorsi muscle from Bos indicus animals treated with vitamin D3 Scientia Agricola
Pedreira,Aparecida Carla de Moura Silveira; Luchiari Filho,Albino; Leite,Vanderley Benedito de Oliveira; Carvalho,Marina Hojaij.
Among several techniques to improve beef tenderness, vitamin D3, important for calcium mobilization, has recently been developed as an alternative. It acts on the intracellular calcium-dependent proteases (mu- and m-calpain). Ten days prior to slaughter, 36 Nelore steers were fed 0, 3, 6 and 9 million IU of supplemental vitamin D3 (D3) per animal per day (an-1 d-1). Animals were slaughtered and tenderness (shear force), cooking losses (1, 8 and 15 days of aging), sensory evaluation, and minerals in blood plasma and muscle (Longissimus dorsi) were measured. There were no differences (P > 0.05) among treatments for blood plasma and muscle mineral concentration, evaporation losses, and sensory juiciness. For drip and total loss, the smallest losses were...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Nelore cattle; Meat tenderness; Carcass characteristics.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162003000400005
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Subsequent Effect of Dietary Lysine Regimens Fed in the Starter Phase on the Growth Performance, Carcass Traits and Meat Chemical Composition of Aseel Chicken in the Grower Phase Rev. Bras. Ciênc. Avic.
Hussain,M; Mahmud,A; Hussain,J; Qaisrani,SN; Mehmood,S; Rehman,A.
ABSTRACT This study was designed to examine carryover effect of dietary lysine (Lys) levels fed during the starter phase on the growth performance of three varieties of Aseel chickens. A total of 378 birds (126 from each variety) derived from a previous experiment, in which birds were distributed according a randomized block design in a 3×3 factorial arrangement, were evaluated from 7-18 weeks of age. Treatments consisted of three varieties of Aseel chicken [(Mianwali (MW), Peshawari (PW) and Lakha (LK)] fed three dietary Lys regimes (high, medium and low) during the starter phase (0-6 weeks). In the present experiment, the performance parameters, carcass traits, and meat chemical composition six replicates of seven birds per treatment were evaluated. The...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Growing phase; Growth performance; Meat composition; Carcass characteristics; Aseel chickens.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2018000300455
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The Benefit of L-Threonine Supplementation on Growth Performance, Carcass Characteristics, Intestinal Morphology and Litter Quality of Broilers. Rev. Bras. Ciênc. Avic.
Al-Sagan,AA; Khalil,S; Smith,MP.
ABSTRACT This study was carried out to investigate the effect of dietary L-Threonine supplementation on broiler performance, carcass characteristics, duodenal histo-morphology and litter analysis. It was hypothesised that the overall broiler performance would be improved in threonine adequate diets with reduced environmental impact when using L-threonine supplementation. A total of 144-sexed Ross 308 broiler chicks were randomly allocated into 3 dietary treatments. Each treatment was replicated 6 times with 8 birds per replicate (4 male and 4 female). Treatment group 1 served as threonine deficient group, fed with a diet with all limiting amino acids met except threonine as no synthetic form was supplied. Treatment group 2 served as threonine adequate high...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Crude protein; Threonine; Broilers; Carcass characteristics; Litter quality; Intestinal morphology.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2018000400753
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The influence of weight and fat on lamb prices revisited AgEcon
Hufton, Charlie; Griffith, Garry R.; Mullen, John D..
Previous research has found inconsistencies in the valuation of weight and fat characteristics of lamb carcasses between the saleyard and wholesale markets. In this paper, recent New South Wales saleyard and wholesale price data on different classes of lamb are analysed using hedonic methods to determine the relative influence of weight and fat on prices received. Fat score 2 lambs are heavily discounted relative to fat score 3 lambs, and there are significant seasonal price differentials, but there are no significant premiums or discounts for weight or other fat characteristics. These results hold for both the saleyard and wholesale markets. The implication is that the efficiency of price discovery in the Australian lamb market has improved a little in...
Tipo: Conference Paper or Presentation Palavras-chave: Lamb; Marketing; Hedonic models; Carcass characteristics; Demand and Price Analysis; Livestock Production/Industries; Marketing.
Ano: 2008 URL: http://purl.umn.edu/6021
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ผลของการใช้อาหารผสมสำเร็จที่ใช้ทางใบปาล์มน้ำมันหมัก เป็นแหล่งอาหารหยาบร่วมกับการเสริมเอนไซม์ย่อยเยื่อใยต่อสมรรถภาพการเจริญเติบโต และลักษณะซากแพะ Thai Agricultural
Chaiyawan Wattanachant; Wanwisa Ngampongsai.
This study aimed to determine the effects of total mixed ration (TMR) containing oil palm frond silage (OPFS) as a source of roughage mixed with fibrolytic enzyme on feed intake, growth performance and carcass characteristics of goats. Sixteen male Bore x Thai native goats, 10-12 months old with average live weight 13.37±1.40 kg, were used in this study. Goats were allotted according to completely randomized design to receive TMR diet containing OPFS (roughage) to concentrate ratio at 60:40 (on a DM basis) and mixed with fibrolytic enzyme at 0 (control) (T1), 2 (T2), 4 (T3) and 6 (T4) g/kg DM of TMR. All diets were fed ad libitum to goats for 90 days. From the results, goats received non-supplemented (T1) and supplemented with fibrolytic enzyme (T2 to T4)...
Tipo: Collection Palavras-chave: Total mixed ration; Fibrolytic enzyme; Growth performance; Carcass characteristics.
Ano: 2012 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5336
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