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Níveis de lisina e treonina digestíveis para poedeiras comerciais Lohmann LSL de 24 a 44 semanas de idade - DOI: 10.4025/actascianimsci.v31i1.1387 Animal Sciences
Matos, Maira Silva; UFG; Leandro, Nadja Susana Mogyca; UFG; Stringhini, José Henrique; UFG; Café, Marcos Barcellos; UFG; Carvalho, Fabyola Barros de; UFG; Gomes, Natali Almeida; UFG.
Objetivou-se avaliar o desempenho (25 a 44 semanas de idade) e o balanço de nitrogênio de poedeiras comerciais alimentadas com rações contendo níveis de lisina digestível (0,700; 0,800 e 0,900%) combinados com os de treonina (0,500; 0,550 e 0,600%). O delineamento experimental foi inteiramente ao acaso em esquema fatorial 3x3 (níveis de lisina x de treonina), com cinco repetições de oito aves cada. Os dados foram submetidos à análise de variância e as médias comparadas pelo teste de Tukey. Observou-se aumento na ingestão de lisina e de treonina (p < 0,05) com o acréscimo desses aminoácidos na ração. Os níveis de lisina e treonina não influenciaram a produção de ovos (p > 0,05), no entanto, o peso do ovo piorou com a inclusão de 0,550% de treonina...
Palavras-chave: 5.04.00.00-2 Zootecnia aminoácido digestível; Poedeira leve; Produção de ovos Tem experiência na área de Zootecnia com ênfase em Nutrição e Alimentação Animal de monogástricos. digestible amino acids; Laying hen; Egg production.
Ano: 2009 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/1387
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Productivity of japanese quails in relation to body weight at the end of the rearing phase Animal Sciences
Vieira Filho, Javer Alves; Garcia, Edivaldo Antônio; Molino, Andréa de Britto; Santos, Tiago Atônio dos; Almeida Paz, Ibiara Correia de Lima; Baldo, Grace Alessandra de Araújo.
Two experiments were conducted at different times with the objective of investigating how the body weight of Japanese quails at the end of the rearing period may alter the performance during the laying phase. In both experiments, the birds were distributed in five treatments according to their body weights, which were obtained at 42 and 35 days of age for the first and second experiments respectively, and the following categories were considered for said experiments: very light, light, average, heavy and very heavy. For both experiments, the treatments were distributed in a randomized block design, at eight repetitions per treatment for the first one and six for the second one, both at 18 birds per repetition. During the first experiment, sexual maturity,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Body development; Egg production; Quail production; Sexual maturity..
Ano: 2016 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/29858
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Calcium in pre-laying and laying rations on the performance and quality of laying hens’ eggshell - doi: 10.4025/actascianimsci.v35i2.16555 Animal Sciences
Rodrigues, Eliana Aparecida; Instituto Federal do Triangulo Mineiro; Oliveira, Maria Cristina de; Universidade de Rio Verde; Cancherini, Luciana Cardoso; Universidade do Estado de Mato Grosso; Duarte, Karina Ferreira; Universidade Estadual Paulista “Júlio de Mesquita Filho”; Santana, Luis Fernando; Instituto Federal do Triangulo Mineiro; Junqueira, Otto Mack; Universidade Estadual Paulista “Júlio de Mesquita Filho.
The experiment evaluated the effect of different calcium (Ca) levels in pre-laying and laying diets on the performance and egg quality of laying hens. Two hundred and fifty-six 16-week-old Brown Hisex pullets were housed in a conventional shed. The experiment had a completely randomized design with 4 x 2 factorial arrangement (four calcium levels - 0.8, 1.3, 1.8 and 2.3% in pre-laying phase; two calcium levels - 2.5 and 3.5% in laying phase), totaling eight treatments with four repetitions of eight birds per experimental unit. The experiment started with 16-week-old hens receiving pre-laying diets provided until they were 18 weeks old. At this period, the laying diets started. Four 28-day cycles were evaluated for the following variables: production and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: 5.04.00.00-2 e 5.04.03.00-1 egg mass; Egg production; Eggshell quality; Feed intake; Pullets egg mass; Egg production; Eggshell quality; Feed intake; Pullets.
Ano: 2012 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/16555
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Diet influence on egg production of the copepod Acartia tonsa (Dana, 1896) Anais da ABC (AABC)
Teixeira,Priscila F.; Kaminski,Sonia M.; Avila,Tatiana R.; Cardozo,Alessandro P.; Bersano,José G.F.; Bianchini,Adalto.
Egg production in the copepod Acartia tonsa was evaluated using different densities of the microalgae Thalassiosira weissflogii, Chaetoceros muelleri and Isochrysis galbana. Male and female were kept under controlled conditions (salinity 30, 20°C, photoperiod 12L:12D), acclimated to the experimental conditions and left over a period of 24 h to allow copulation. Algal densities tested were equivalent in biovolume and corresponded to 0, 2.5, 5, 10, 20, 40 and 60.10³ cells.mL-1 of T weissflogii. Ten acclimated female were separated, transferred to glass bottles and exposed for further 24 h to the corresponding experimental medium. After this period, the eggs were fixed and counted. Copepod egg production reached a threshold value when T weissflogii, C....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Egg production; Acartia tonsa; Microalgae.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652010000200009
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Effects of heat stress on some blood parameters and egg production of Shika Brown layer chickens transported by road Biol. Res.
Ajakaiye,Joachim J; Ayo,Joseph O; Ojo,Sunday A.
The effects of vitamins C and E on layer chickens transported by road for 6 h during the hot dry season were investigated. Two experimental groups consisting of thirty Shika Brown layers were separately administered vitamins C and E orally just before transportation, while another 30 layers, which were only given sterile water, served as control. Blood samples analyzed before and after transportation in the control layers showed a decrease (p<0.05) in total white blood cell, (p<0.01) lymphocyte and monocyte values, and a signifcant (p<0.05) and (p<0.001) increase in the values of eosinophils and heterophils post-transportation, respectively. In the experimental groups, post-transportation values of total white blood cells, eosinophils and...
Tipo: Journal article Palavras-chave: Egg production; Heat and transport stress; Layer chickens; Leukocyte profle; Vitamins C and E.
Ano: 2010 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602010000200006
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The inclusión of distiller&#8217;s dried com grains with solubles in the feed of laying hens during the production stage Ciencia e Investigación Agraria
Rodríguez-Ríos,Hernán E; Campos-Parra,Jorge A; Williams-Salinas,Pamela A; Blanck-Heimann,Markus H; Astudillo-Neira,Rita G; Grande-Cano,Jesús D.
H.E. Rodríguez-Ríos, J.A. Campos-Parra, P.A. Williams-Salinas, M.H. Blanck-Heimann, R.G. Astudillo-Neira, and J.D. Grande-Cano. 2015. The inclusion of distiller&#8217;s dried corn grains with solubles in the feed of laying hens during the production stage. Cien. Inv. Agr. 42(3): 331-339. The aim of this study was to assess the effects of distiller&#8217;s dried corn grains with solubles (DDGS) in the diet of laying hens on their productive parameters (live weight, laying percentage, and feed intake) and egg quality (egg weight, mass, yolk color and shell thickness). This study was conducted in the Andes Mountains in Parral, Chile. It covered a span of 13 weeks of productive egg laying, ranging from the 31st to the 44th week of life of the hens. The...
Tipo: Journal article Palavras-chave: Egg production; Hy-Line Brown; Soybean bran.
Ano: 2015 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202015000300002
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Inclusion of canthaxanthin and 25-hydroxycholecalciferol in the diet of broiler breeders on performance and incubation parameters Ciência Rural
Duarte,Vinicius; Minafra,Cibele Silva; Santos,Fabiana Ramos dos; Perim,Francisco dos Santos.
The objective of this experiment was to evaluate the effects of a diet containing canthaxanthin and 25-hydroxycholecalciferol (25-OH-D3) on the production and reproductive performances of Cobb 500 broiler breeders aged 53 to 61 weeks. The study included 36,000 Cobb 500 female and 3,600 male broiler breeders aging 51 weeks. The birds were housed in three poultry houses divided into four plots, totaling 12 experimental units each containing 3,000 females and 300 males. The birds received the following treatments: control diet (without the studied additives) or the control diet with the addition of 60mg kg-1feed of 25-(OH)-D3 and canthaxanthin feed (6mg of canthaxanthin and 2,760,000IU of 25-(OH)-D3 per kg of feed) per the supplier's recommendations. The...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Carotenoids; Vitamin D; Broiler breeders; Hatching; Egg production.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782015001102050
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Canonical correlation analysis applied to production and reproduction traits of meat type quails Ciência Rural
Ribeiro,Jeferson Corrêa; Silva,Luciano Pinheiro da; Caetano,Giovani da Costa; Crispim,Aline Camporez; Pacheco,Rodrigo de Oliveira; Torres,Robledo de Almeida.
ABSTRACT: Data from 629 meat type quails were used to study association between two different sets of traits: egg production and reproduction. Traits related to reproduction were: body weight at 42 days (W42), average egg weight (AEW), age at sexual maturity (ASM); and production traits: number of eggs produced from 42 until 182th day considering intervals of 35 days each period (P1, P2, P3 and P4). Canonical correlations were used to describe the association between these two sets of traits. The canonical coefficients indicated that egg production and reproductive traits were moderately related (0.3475). The first partial period of production (P1) and age at sexual maturity were the most relevant traits among the analyzed variables. Results show that...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Animal breeding; Canonical pairs; Coturnix coturnix; Egg production; Multivariate analysis.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782016000701289
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TECHNICAL FEASIBILITY OF THE ACCLIMATIZATION SYSTEM IN AVIARY OF POSTURE: A CASE STUDY REA
Pereira,Danilo F.; Kodaira,Vanessa; Bueno,Leda G. de F.; Soares,Nilce M.; Salgado,Douglas D'Alessandro.
ABSTRACT: The objective of this study was to compare the performance of laying hens between automated aviaries, one with and another without acclimatized system. On a daily basis it was registered in each aviary the mortality, the egg production, and the feed consumption. The variables of the dry bulb temperature, relative humidity and black globe temperature were registered every 30 minutes using the thermos hygrometer. Every 28 days ninety eggs from each aviary were collected randomly and the variables egg weight, shell weight, shell thickness and Haugh Unit were registered. The consumption and quality of the electrical energy supply were monitored every 30 minutes using registers of electrical magnitude. The results showed that the acclimatization...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Ambience; Electrical energy; Mortality; Egg production; Precision animal science.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162017000500855
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The association of very low-density lipoprotein receptor (VLDLR) haplotypes with egg production indicates VLDLR is a candidate gene for modulating egg production Genet. Mol. Biol.
Wang,ZhePeng; Meng,GuoHua; Li,Na; Yu,MingFen; Liang,XiaoWei; Min,YuNa; Liu,FuZhu; Gao,YuPeng.
Abstract The very low-density lipoprotein receptor (VLDLR) transports egg yolk precursors into oocytes. However, our knowledge of the distribution patterns of VLDLR variants among breeds and their relationship to egg production is still incomplete. In this study, eight single nucleotide polymorphisms (SNPs) that account for 87% of all VLDLR variants were genotyped in Nick Chick (NC, n=91), Lohmann Brown (LohB, n=50) and Lueyang (LY, n=381) chickens, the latter being an Chinese indigenous breed. Egg production by NC and LY chickens was recorded from 17 to 50 weeks. Only four similar haplotypes were found in NC and LohB, of which two accounted for 100% of all NC haplotypes and 92.5% of LohB haplotypes. In contrast, there was considerable haplotypic diversity...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Chicken; Egg production; Haplotype; Very low-density lipoprotein receptor (VLDLR).
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572016000300380
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Entendendo as medidas para a produção de ovos saudáveis. Avicultura Industrial, Itu, ed. 1245, ano 106, n. 06, p. 22-29, 2015. Infoteca-e
JAENISCH, F. R. F.; DUARTE, S. C..
A adoção dos cuidados de biosseguridade no setor de produção visa minimizar riscos à saúde das aves por meio de ações basicamente preventivas à introdução de patógenos nos plantéis. Exige o comprometimento de todos, garantindo não só a qualidade sanitária do plantel e seus produtos, como também preservando a competitividade do setor produtivo.
Tipo: Artigo na mídia Palavras-chave: Produção de ovo; Qualidade do ovo; Ovo; Biossegurança; Sanidade animal; Egg production; Egg quality; Biosecurity.
Ano: 2015 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1031311
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Mecanismos de invasão do ovo por Salmonela sp. Infoteca-e
DUARTE, S. C.; RAUECKER, U. N.; REZENDE, C. S. M..
Com o intuito de gerar melhor compreensão da dinâmica de infecção por Salmonella sp. no trato reprodutor de poedeiras reunimos algumas informações acerca dos principais mecanismos envolvidos na persistência da bactéria no trato reprodutivo de poedeiras e os elementos envolvidos na contaminação de ovos.
Tipo: Artigo na mídia Palavras-chave: Poedeira; Produção de ovos; Contaminação de ovos; Reprodução animal; Galinha para postura; Salmonella; Egg production.
Ano: 2017 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1069583
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Boas práticas na produção de ovos comerciais para poedeiras alojadas em gaiolas. Infoteca-e
MAZZUCO, H.; HENN, J. D.; JAENISCH, F. R. F.; ABREU, P. G. de; MATTHIENSEN, A.; NICOLOSO, R. da S.; DUARTE, S. C.; AVILA, V. S. de; ROSA, P. S.; KLEIN, C. H.; KUNZ, A.; HIGARASHI, M. M..
Tipo: Folhetos Palavras-chave: Sistema de produção; Ovo; Egg production.
Ano: 2016 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1065481
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Ecologie du copépode calanoïde Paracartia grani. Implication dans le cycle de vie du parasite Marteilia refringens dans la lagune de Thau ArchiMer
Boyer, Séverine.
In this study, the life cycle of Paracartia grani, a calalloid copepod belonging to the Acartiidae family was determined in Thau lagoon. Indeed, the copepod involvement in the life cycle of the parasite Marteilia refringens affecting the bivalve productions is suspected. Mesozooplanktonic community .was monitored twice a month. over two years at a fixed station in the lagoon. Sampling has identified P. grani as the acartiid dominant species in summer. From April to January, the copepod is found in the water column while from February to early April it remains in the sediment as diapausing eggs. The analysis of the population structure (size spectmm, contribution of developmental stages and sex ratio) has revealed that there are in between 6 and 9...
Tipo: Text Palavras-chave: Paracartia grani; Cycle de vie; Production d'oeufs; Oeufs de diapause; Mésozooplancton; Marteilia refringens; Mytilus galloprovincialisa; Ruditapes decussatus; PCR; Hybridation in situ; Lagune de Thau; Paracartia grani; Life cycle; Egg production; Diapause eggs; Mesozooplankton; Marteilia refringens; Mytilus galloprovincialis; Ruditapes decussatus; PCR; In situ hybridization; Thau lagoon.
Ano: 2012 URL: http://archimer.ifremer.fr/doc/00118/22931/21482.pdf
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Impact of egg production and stock structure on MSY reference points and its management implications for southern hake (Merluccius merluccius) ArchiMer
Cervino, Santiago; Dominguez-petit, Rosario; Jardim, Ernesto; Mehault, Sonia; Pineiro, Carmen; Saborido-rey, Fran.
Spawning stock biomass (SSB) is one of the most common measures of stock status. However recent research on reproductive potential has shown that alternative variables may be an improvement over SSB. In the case of European hake (Merluccius merluccius), it is known that large individuals produce more eggs by unit of body weight, and their quality is better than those of small individuals. Under these circumstances, application of reproductive potential may be pertinent in the implementation of the Johannesburg agreement, since it is not only the spawning biomass but also its age or length structure that defines stock productivity and its ability to achieve maximum sustainable yield (MSY). In this contribution we used an age-length structured population...
Tipo: Text Palavras-chave: Egg production; Biological reference points; Steepness; Length based models; Hake.
Ano: 2013 URL: http://archimer.ifremer.fr/doc/00161/27254/25487.pdf
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Temporal and spatial patterns of laying in the Moluccan megapode Eulipoa wallacei (G.R. Gray) Naturalis
Baker, G.C..
The Moluccan megapode Eulipoa wallacei (G.R. Gray, 1860) lays its eggs at night in the sand at communal nesting beaches. The majority of the world’s Moluccan megapode population rely on only two nesting grounds on the islands of Halmahera and Haruku, Indonesia. An understanding of the ecological characteristics of these breeding sites is thus important in terms of conservation. Studies of the largest of the two nesting grounds in Halmahera have shown specific temporal and spatial patterns of egg laying. In this paper I discuss the adaptive significance and conservation implications of these laying patterns.
Tipo: Article / Letter to the editor Palavras-chave: Moluccan megapode; Eulipoa wallacei; Egg production; Lunar synchrony; 42.83.
Ano: 1999 URL: http://www.repository.naturalis.nl/record/219420
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Individual, local and subspecific variation in female Hermann’s tortoise (Testudo hermanni) reproductive characters Naturalis
Longepierre, S.; Grenot, C.; Hailey, A..
We studied reproductive characters of a population of the tortoise Testudo h. hermanni in the Plaine des Maures (Var), and compared these to another population in southern France and to T. h. boettgeri in Greece. Clutch characters, which are measures of total reproductive investment, showed no differences between subspecies or sites after body size correction by ANCOVA. Egg characters, which measure the division of this investment among offspring, did vary significantly among both subspecies and sites after correcting for body mass. The presence of such local variation should discourage relocation of the threatened T. h. hermanni even between populations of the same subspecies.
Tipo: Article / Letter to the editor Palavras-chave: Egg production; Clutch characters; Conservation; Tortoise; Testudo hermanni.
Ano: 2003 URL: http://www.repository.naturalis.nl/record/534330
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Comparative reproductive biology of the social parasite Acromyrmex ameliae de Souza, Soares &amp; Della Lucia and of its host Acromyrmex subterraneus subterraneus Forel (Hymenoptera: Formicidae) Neotropical Entomology
Soares,Ilka M F; Della Lucia,Terezinha M C; Pereira,Alice S; Serrão,José E; Ribeiro,Myriam M R; Souza,Danival J de.
Social parasites exhibit several characteristics that allow them to exploit their host species efficiently. The smaller size of parasite species is a trait commonly found in ants. In this work, we investigated several aspects of the reproductive biology of Acromyrmex ameliae De Souza, Soares &amp; Della Lucia, a recently discovered parasite of Acromyrmex subterraneus subterraneus Forel. Sexuals of A. ameliae are substantially smaller than those from host species. Parasite queens laid significantly less worker eggs than host queens and inhibit sexual production of the host. The sex ratio of parasite species is highly female biased. Interestingly, we have observed parasite coupling on the laboratory, inside the nests and in the ground, opening the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Social parasitism; Egg production; Size reduction.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2010000500007
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Laboratory environment effects on the reproduction and mortality of adult screwworm (Diptera: Calliphoridae) Neotropical Entomology
Berkebile,Dennis R.; Sagel,Agustin; Skoda,Steven R.; Foster,John E..
The New World screwworm, Cochliomyia hominivorax Coquerel, is mass reared for screwworm eradication initiatives that use the sterile insect technique. New methods for rearing have helped to reduce the cost of the eradication program. We examined the effect and interaction of three temperatures (24.5, 29.5 and 34.5ºC), two diets (2% spray-dried blood plus 0.05% vitamins and corn syrup carrageenan) and three population densities (300, 400, and 500 flies/cage) on egg production, egg hatch, number of observable fertilized eggs, mortality (male and female) and ovarian development. The three population densities did not affect any of the parameters monitored. Using the protein diet increased egg production at all temperatures. Diet did not affect egg hatch or...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Temperature; Cochliomyia hominivorax; Egg production; Ovarian development.
Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2006000600010
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放卵時刻のずれ(LAG)を用いた選抜指数による年間産卵数の遺伝的改良 OAK
Luc, Kieu Minh; Miyoshi, Shunzo; Kuchida, Keigo; Mitsumoto, Takatsugu.
Palavras-chave: Oviposition time; Egg production; Selecetion index; Laying hen; 放卵時刻; 産卵; 産卵鶏; 選抜指数.
Ano: 1997 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/1306
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