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Search Results: 1 - 10 of 184821 matches for " Rodrigo Palomo de;Perez "
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Efeitos das restri es pré e pós-natal sobre o crescimento e o desempenho de cordeiros Santa Inês do nascimento ao desmame
Geraseev Luciana Castro,Perez Juan Ramón O.,Carvalho Paulo Afonso,Oliveira Rodrigo Palomo de
Revista Brasileira de Zootecnia , 2006,
Abstract: Objetivou-se com este estudo avaliar os efeitos das restri es pré e pós-natal sobre o crescimento e o desempenho de cordeiros Santa Inês do nascimento ao desmame. Foram utilizados 68 cordeiros machos, divididos em três grupos: restri o pré-natal, restri o pós-natal e nenhum tipo de restri o (controle). O peso ao nascer dos animais dos grupos controle (4,628 kg) e RPOS (4,421 kg) foram semelhantes e superiores ao do grupo RPRE (3,024 kg). Os consumos médios de sucedaneo foram de 1,308; 0,957 e 0,952 litros/dia para os grupos controle, RPOS e RPRE, respectivamente. Os cordeiros sob restri o alimentar apresentaram consumo inferior aos do grupo controle, em raz o do controle imposto aos animais RPOS e do menor tamanho do trato gastrintestinal dos animais RPRE. Os ganhos de peso médios dos cordeiros durante a fase de aleitamento foram de 200 g/dia (controle), 162 g/dia (RPRE) e 153 g/dia (RPOS). O maior ganho de peso dos cordeiros do grupo controle resultou em maior peso ao desmame (17,12 kg) em compara o aos cordeiros RPOS (14,15 kg) e RPRE (13,00 kg). O desempenho inferior dos cordeiros RPRE em rela o aos do grupo controle indica que estes animais n o compensaram a restri o imposta durante a fase pré-natal, o que resultou em comprometimento do crescimento pós-natal e, conseqüentemente, em menor peso ao desmame.
Efeito da restri??o alimentar durante o final da gesta??o sobre o peso ao nascer de cordeiros Santa Inês
Geraseev, Luciana Castro;Perez, Juan Ramon Olalquiaga;Oliveira, Rodrigo Palomo de;Quint?o, Fábio Arantes;Pedreira, Bruno Carneiro e;
Ciência e Agrotecnologia , 2006, DOI: 10.1590/S1413-70542006000200020
Abstract: an experiment was conducted in the sheep production sector of the animal science department at the federal university of lavras, lavras mg to evaluate weight birth of santa ines lambs, males and females from ewes submitted or not to feed restriction during final pregnancy. a total of 44 ewes santa ines with twin lambs were utilized , divided in two groups: the first group was ad libitum fed and other was restricted fed (60% of energy requirements) during final pregnancy. the nutritional requirements for pregnancy ewes were calculated by arc (1980) recommended with ewe's weight, gestation length and foetuses number. for ewes were evaluated initial and post-partum weight, gestation length and biological mass. for lambs were evaluated birth weight of males and females. the birth weight of males and females were affected by prenatal restriction, and the overall weight birth of males without restriction were 4.162 kg and with restriction were 2.893 kg; the overall weight birth of females without restriction were 3.474 kg and with restriction were 2.855 kg. the prenatal restriction reduced birth weight of males in 30.5% and 17.8% of females.
Effect of concentrate: voluminous ratio on the performance of Santa Inês lambs
Oliveira, Rodrigo Palomo de;Perez, Juan Rámon Olalquiaga;Muniz, Joel Augusto;Evangelista, Antonio Ricardo;Souza, José Camis?o de;Barcelos, Adauto Ferreira;
Ciência e Agrotecnologia , 2009, DOI: 10.1590/S1413-70542009000600025
Abstract: the experiment was carried out in the sheep division of universidade federal de lavras, aiming to evaluate the effect of different concentrate : voluminous ratio on the performance of santa inês lamb after wean. 40 lambs, male uncastrated, were used and fed with four different diets: diet a (100% concentrate), diet b (75:25 concentrate : voluminous) , diet c (50:50 concentrate : voluminous) , diet d (25:75 concentrate : voluminous). the experimental diets were isoproteic, differing only on its levels of concentrate : voluminous and balanced to meet the nutritional demands according to the recommendation of the agricultural research council (1980). the experimental period was not pre-established, because it corresponded to the necessary period for the last lamb to reach the live weight of 35kg. the dry matter consumption (dmc), crude protein consumption (cpc), fiber in neutral detergent consumption (fndc) and fiber in acid detergent consumption (fadc), were affected by the different concentrate : voluminous ratio, in which, the animals that received diets with higher concentrate inclusion presenting better results for the variables related to the development. the lambs fed with the diet containing higher inclusion of voluminous did not present weight gain, on the contrary, presented weight loss, since none of the animals reached slaughter weight and the mortality rate was extremely high (80%).
Efeitos das restri??es pré e pós-natal sobre o crescimento e o desempenho de cordeiros Santa Inês do nascimento ao desmame
Geraseev, Luciana Castro;Perez, Juan Ramón O.;Carvalho, Paulo Afonso;Oliveira, Rodrigo Palomo de;Quint?o, Fábio Arantes;Lima, Alison Luis;
Revista Brasileira de Zootecnia , 2006, DOI: 10.1590/S1516-35982006000100031
Abstract: this trial was conducted to study the effects of pre and postnatal feed restriction on growth and production of santa inês lambs from birth to weaning. sixty-eight lambs were assigned to three treatments as follows: prenatal feed restriction (prer), postnatal feed restriction (postr), and no feed restriction (control). average birth body weight of lambs on control (4.628 kg) and postr (4.421 kg) treatments were similar but higher than that of animals on prer (3.024 kg). milk replacer intake averaged 1.308, 0.957, and 0.952 l/d on control, postr, and prer treatments, respectively. the lower intake of feed-restricted lambs may be explained by the imposed restriction on postr animals and the lower size of the gastrointestinal tract of lambs on prer group. daily weight gain during the milking period averaged 200, 162, and 153 g/d for control, prer, and postr, respectively. the greater daily weight gain of animals with no feed restriction led to higher body weight at weaning (17.12 kg) compared to postr (14.15 kg) and prer (13.00 kg) treatments. lower production of lambs on prer compared to control treatment indicated that prer animals were not able to compensate the imposed restriction compromising postnatal growth, which resulted in lower body weight at weaning.
EL PAPEL DE LA NEGOCIACIóN COLECTIVA EN LA REGULACIóN DE LA CONTRATACIóN TEMPORAL EN ESPA?A Y SU EFICACIA
Palomo Vélez,Rodrigo Ignacio;
Ius et Praxis , 2008, DOI: 10.4067/S0718-00122008000100004
Abstract: this work analyzes the role of collective bargaining in the temporary contracting regulation in spain, after the labour reforms that, since the nineties, have been referring to this matter. thus, the approach is focused into give account of the function that the collective bargaining has been and has, in the main legal suppositions of the temporary contracting workers' regulation; namely, the determined work or service contract; the eventual contract due to production situations and the provisional workers' contract, for being these the ones with major presence at the spanish labour relationship system and the preferred object of the diverse references that the labour legislator has done to the collective bargaining. therefore, this work is not about the occasional temporary contracting suppositions, that still survives in the spanish system (promotion employment to disabled workers' contract) nor other temporal contracting specific suppositions (formative contracts, relief contracts, temporary contracts for temporary employments, public administration temporary contracts, among others). in addition, the temporary contracting control mechanisms at the collective bargaining are studied too, and in this case, the references made, do not distinguish between different contracting forms, except when prevented. finally, one presents a comparison with the chilean normative model.
LAS HORAS COMPLEMENTARIAS EN EL CONTRATO DE TRABAJO A TIEMPO PARCIAL
Rodrigo Ignacio Palomo Vélez
Ius et Praxis (En línea) , 2008,
Abstract:
Sindicato y empresa ante la ley chilena y la OIT
Rodrigo I Palomo Vélez
Ius et Praxis (En línea) , 2007,
Abstract:
Los grupos de empresas en el Derecho Chileno del Trabajo
Rodrigo I Palomo Vélez
Ius et Praxis (En línea) , 2006,
Abstract:
FUNDAMENTOS DE DERECHO LABORAL
Rodrigo Ignacio Palomo Vélez
Ius et Praxis (En línea) , 2008,
Abstract:
EL PAPEL DE LA NEGOCIACIóN COLECTIVA EN LA REGULACIóN DE LA CONTRATACIóN TEMPORAL EN ESPA A Y SU EFICACIA
Rodrigo Ignacio Palomo Vélez
Ius et Praxis (En línea) , 2008,
Abstract: El presente trabajo analiza el papel de la negociación colectiva en la regulación de la contratación temporal en Espa a, luego de las reformas laborales que desde la década de los noventa han venido refiriéndose a esta materia. El enfoque está centrado, de esta forma, en dar cuenta de la función que ha tenido y tiene la negociación colectiva en la regulación de los principales supuestos legales de contratación temporal de trabajadores; a saber, el contrato para obra o servicio determinados, el contrato eventual por circunstancias de la producción y el contrato de trabajadores interinos, por ser estos los de mayor presencia en el sistema espa ol de relaciones laborales y por constituir el objeto preferente de las diversas remisiones que el legislador laboral ha hecho a la negociación colectiva. Por tanto, no se trata en este trabajo el supuesto de contratación temporal coyuntural que aún subsiste en el ordenamiento espa ol (contrato de fomento de empleo para trabajadores con discapacidad) ni otros supuestos específicos de contratación temporal (contratos formativos, contratos de relevo, contratos temporales por empresas de trabajo temporal, contratos temporales en las administraciones públicas, entre otros). Se estudian también los mecanismos de control de la contratación temporal en la negociación colectiva, y en este caso las referencias se plantean, salvo prevención en contrario, sin distinguir entre las distintas modalidades contractuales. Por último, se presenta un contrapunto con el modelo normativo chileno. This work analyzes the role of collective bargaining in the temporary contracting regulation in Spain, after the labour reforms that, since the nineties, have been referring to this matter. Thus, the approach is focused into give account of the function that the collective bargaining has been and has, in the main legal suppositions of the temporary contracting workers' regulation; namely, the determined work or service contract; the eventual contract due to production situations and the provisional workers' contract, for being these the ones with major presence at the Spanish labour relationship system and the preferred object of the diverse references that the labour legislator has done to the collective bargaining. Therefore, this work is not about the occasional temporary contracting suppositions, that still survives in the Spanish system (promotion employment to disabled workers' contract) nor other temporal contracting specific suppositions (formative contracts, relief contracts, temporary contracts for temporary employments, public admini
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