Ricardo Cardellino - Academia.edu (original) (raw)

Papers by Ricardo Cardellino

Archivos De Zootecnia, 2003

En este trabajo se resume la situacion actual con respecto a los aspectos legales relacionados co... more En este trabajo se resume la situacion actual con respecto a los aspectos legales relacionados con la propiedad intelectual del material genetico y de la informacion genetica. Tambien se presentan las coclusiones alcanzadas en discusiones internacionales sobre estas regulaciones para ser tomadas como punto de referencia en las relaciones entre paises. Se hace una mencion especial a la regulacion de la transferencia comercial del material genetico.

Los recursos ganaderos son un componente importante de la seguridad alimentaria en la mayor parte... more Los recursos ganaderos son un componente importante de la seguridad alimentaria en la mayor parte de los paises en desarrollo, correspondiendo a mas de 40 p.100 del producto agricola y sirviendo como fuente de alimentos, abrigo y proteccion, energia, combustible, fertilizantes, ahorros y valor cultural. FAO ha estimado que la demanda por carne se duplicara en 2030 (base 2000) y que la demanda por leche sera mas del doble en este periodo de 30 anos. Los recursos zoogeneticos estan desapareciendo rapidamente en todo el mundo: en los ultimos 15 anos, 300 de 6000 razas identificadas (www.fao.org/DADIS) se han extinguido, y entre una y dos razas desaparecen por semana. Los paises miembros de FAO han solicitado que esta desarrolle e implemente una estrategia mundial para la gestion de los recursos zoogeneticos, que sirva de marco estrategico que guie los esfuerzos internacionales para la conservacion y el desarrollo de los recursos zoogeneticos, crear conciencia de los muchos roles y valo...

Introduction to the Symposium on Pig Biodiversity, which was held in the Spanish city of Córdoba ... more Introduction to the Symposium on Pig Biodiversity, which was held in the Spanish city of Córdoba during 7-9th November 2002

Journal of Animal Science, 1999

Thirteen crossbred ewes were used to compare weigh-suckle-weigh (WSW) and machine milking (MM) me... more Thirteen crossbred ewes were used to compare weigh-suckle-weigh (WSW) and machine milking (MM) methods for determining milk production of ewes that were rearing single or twin lambs. At parturition, ewes were 13 mo of age and produced six single lambs and seven pairs of twin lambs. Milk production estimates were initiated on d 6 of lactation and a 3-d rotation of the two techniques was implemented. On d 6, milk production was measured using WSW; on d 7, MM was used. No measurement was made on d 8. The 3-d rotation was repeated 20 times throughout a 63-d lactation, resulting in 20 point estimates of milk production for each method of measurement for each ewe. The WSW procedure consisted of a 3-h period in which lambs were withheld from suckling their dams. This was followed by a suckling period, a second 3-h withholding period, and a second suckling period. Differences in pre-and postsuckling lamb weights of the second suckling period were defined as milk consumption and, indirectly, 3-h milk production. The MM procedure included an administration of 10 IU of oxytocin (i.v.), followed by evacuation of the udder with a machine using commercially available sheep milking equipment, and the milk was discarded. Lambs were withheld from suckling the ewes for a 3-h period, followed by a repetition of the oxytocin and machine milking procedures. Milk from the second milking was weighed. Milk production estimates determined using the WSW and MM techniques were similar (P = .42). Average 3-h milk production was 340 and 351 g for WSW and MM, respectively. Machine milking provides a reliable tool in evaluating the milk-producing ability of ewes that are rearing single or twin lambs.

Ecological Economics, 2003

Biodiversity conservation and sustainable use has, for many people, become associated mainly with... more Biodiversity conservation and sustainable use has, for many people, become associated mainly with issues related to plants and wild animals. Although much less discussed, the loss of farm animal genetic resources (AnGR) may well be much more serious than in crops because ...

Archivos De Zootecnia, 2003

Proyecto académico sin fines de lucro, desarrollado bajo la iniciativa de acceso abierto

FAO’s programme for Animal Genetic Resources (AnGR) Management is guided by the Commission on Gen... more FAO’s programme for Animal Genetic Resources (AnGR) Management is guided by the Commission on Genetic Resources for Food and Agriculture. Important elements are reporting on the status of animal genetic diversity and supporting the development of methodological tools to support decision-making and implementation of national AnGR management programmes. As a first step in the reporting process, FAO invited 188 countries to submit national reports on AnGR management. The process also included the establishment of a network of National Coordinators and Consultative Committees. Subregional training and follow-up workshops were organized. The Country Reports were seen as the base for developing the first report on the State of the World’s Animal Genetic Resources (SoW-AnGR). A total of 169 Country Reports were received. The 148 reports available by June 2005 were used to assess institutional and human capacity, breeding and conservation programmes, use of biotechnology, and legal framewor...

ICAR Technical Series No. 9 Customer demands for food safety and origin certification are causing... more ICAR Technical Series No. 9 Customer demands for food safety and origin certification are causing major challenges to the livestock industry. Mercosur countries are quickly developing and adopting animal identification and recording systems to comply with the required product traceability. In this matter, Brazil has been pioneer in implementing the Brazilian Bovine and Bubaline Identification and Certification System (SISBOV) in 2002. This system aims individual certification of origin, identification, registration and monitoring. Each animal has a unique individual identification system and receives an animal identification document (DIA), which is equivalent to a passport, and must accompany the animal in every movement. Currently, to be considered traced and exported, animals have to stay in the system for 40 days before the DIA may be issued. As of April 2004, there were about 15 million animals registered in SISBOV. Similar systems are being adopted in Argentina and Uruguay, wh...

The paper explores the significance of livestock genetic diversity in the dry rangelands of the N... more The paper explores the significance of livestock genetic diversity in the dry rangelands of the Near East, Central Asia, and selected countries in East and South Asia, South and Central America and Africa. The selection of range- land versus non-rangeland countries is based on the production system maps developed by the International Livestock Research Institute (ILRI). The analysis includes cattle, sheep, goats, camelids, horses and asses. Data on breed distribution and risk status are obtained from the global database of the Domestic Animal Diversity Information System (DAD-IS), which contains information on 37 species of domestic animals used in food and agriculture from 180 countries. The contribution of the rangelands to the overall livestock production is used to provide an indicator of the economic importance of rangeland livestock breeds within each geographical region. The share of rangeland breeds in overall breed diversity within the respective regions or countries is ass...

FAO’s programme for Animal Genetic Resources (AnGR) Management is guided by the Commission on Gen... more FAO’s programme for Animal Genetic Resources (AnGR) Management is guided by the Commission on Genetic Resources for Food and Agriculture. Important elements are reporting on the status of animal genetic diversity and supporting the development of methodological tools to support decision-making and implementation of national AnGR management programmes. As a first step in the reporting process, FAO invited 188 countries to submit national reports on AnGR management. The process also included the establishment of a network of National Coordinators and Consultative Committees. Subregional training and follow-up workshops were organized. The Country Reports were seen as the base for developing the first report on the State of the World’s Animal Genetic Resources (SoW-AnGR). A total of 169 Country Reports were received. The 148 reports available by June 2005 were used to assess institutional and human capacity, breeding and conservation programmes, use of biotechnology, and legal framewor...

CEP 96010-900-Tel. (0532) 757270-Pelotas/RS-Brasil. (Recebido para publicação em 05/10/94) RESUMO... more CEP 96010-900-Tel. (0532) 757270-Pelotas/RS-Brasil. (Recebido para publicação em 05/10/94) RESUMO A eficiência da seleção por apreciação visual foi comparada com seis diferentes critérios de seleção considerando os pesos de velo limpo (PVL) e corporal (PC), em 64 carneiros da raça Corriedale, com idade média de 18 meses, criados em campo nativo no municipio de Santa Vitória do Palmar, RS. Para os critérios objetivos, seis índices de seleção com diferentes ênfases nos caracteres medidos foram examinados: 100% PVL; 70% PVL e 30% PC; 60% PVL e 40% PC; 50% PVL e 50% PC; 40% PVL e 60% PC; e, 30% PVL e 70% PC. Para cada ponderação de PVL e PC foram simulados quatro diferentes pressões de seleção, 14, 28, 43 e 56% de animais selecionados, correspondentes aos grupos obtidos na classificação por um técnico, quando da apreciação visual da produção de lã e conformação dos animais. Foram obtidos diferenciais de seleção para cada critério de seleção (visual + 6 índices) e pressão de seleção (4)....

Thirteen crossbred ewes were used to compare weigh-suckle-weigh (WSW) and machine milking (MM) me... more Thirteen crossbred ewes were used to compare weigh-suckle-weigh (WSW) and machine milking (MM) methods for determining milk production of ewes that were rearing single or twin lambs. At parturition, ewes were 13 mo of age and produced six single lambs and seven pairs of twin lambs. Milk production estimates were initiated on d 6 of lactation and a 3-d rotation of the two techniques was implemented. On d 6, milk production was measured using WSW; on d 7, MM was used. No measurement was made on d 8. The 3-d rotation was repeated 20 times throughout a 63-d lactation, resulting in 20 point estimates of milk production for each method of measurement for each ewe. The WSW procedure consisted of a 3-h period in which lambs were withheld from suckling their dams. This was followed by a suckling period, a second 3-h withholding period, and a second suckling period. Differences in pre- and postsuckling lamb weights of the second suckling period were defined as milk consumption and, indirectly...

The aim of the present study was to estimate (co)variance components and genetic parameters for a... more The aim of the present study was to estimate (co)variance components and genetic parameters for average daily gain from birth to weaning (ADGa), weaning to 6 months (ADGb), weaning to 9 months (ADGc), 6 months to 9 months (ADGd) and corresponding Kleiber ratios (KRa, KRb, KRc and KRd) in Mehraban sheep. A derivative-free algorithm combined with a series of six univariate linear animal models was used to estimate phenotypic variance and its direct, maternal and residual components. In addition, bivariate analyses were done to estimate (co)variance components between traits. Estimates of direct heritability (h 2) were 0.10, 0.11, 0.16, 0.09, 0.13, 0.13, 0.15 and 0.08 for ADGa, ADGb, ADGc, ADGd, KRa, KRb, KRc and KRd, respectively and indicate that in Mehraban sheep genes contribute very little to the variance of the growth rate and Kleiber ratio. Estimates of maternal heritability (m 2) were 0.10, 0.08 and 0.05 for ADGa, KRa and KRb, respectively. Direct additive genetic correlations ranged from −0.32 (KRa-KRd) to 0.99 (ADGb-KRb) and phenotypic correlations ranged from −0.53 (ADGa-ADGd) to 0.99 (ADGa-KRa). Estimates of direct heritability and genetic correlations show that genetic improvement in efficiency of feed utilization through selection programmes is possible, though it would generate a relatively slow genetic progress.

Journal of Animal Science, 1971

Pesquisa Agropecuaria Brasileira, 1987

Current Agricultural Science and Technology, Jul 30, 2012

Pesquisa Agropecuaria Brasileira, Nov 1, 1994

Archivos De Zootecnia, 2003

En este trabajo se resume la situacion actual con respecto a los aspectos legales relacionados co... more En este trabajo se resume la situacion actual con respecto a los aspectos legales relacionados con la propiedad intelectual del material genetico y de la informacion genetica. Tambien se presentan las coclusiones alcanzadas en discusiones internacionales sobre estas regulaciones para ser tomadas como punto de referencia en las relaciones entre paises. Se hace una mencion especial a la regulacion de la transferencia comercial del material genetico.

Los recursos ganaderos son un componente importante de la seguridad alimentaria en la mayor parte... more Los recursos ganaderos son un componente importante de la seguridad alimentaria en la mayor parte de los paises en desarrollo, correspondiendo a mas de 40 p.100 del producto agricola y sirviendo como fuente de alimentos, abrigo y proteccion, energia, combustible, fertilizantes, ahorros y valor cultural. FAO ha estimado que la demanda por carne se duplicara en 2030 (base 2000) y que la demanda por leche sera mas del doble en este periodo de 30 anos. Los recursos zoogeneticos estan desapareciendo rapidamente en todo el mundo: en los ultimos 15 anos, 300 de 6000 razas identificadas (www.fao.org/DADIS) se han extinguido, y entre una y dos razas desaparecen por semana. Los paises miembros de FAO han solicitado que esta desarrolle e implemente una estrategia mundial para la gestion de los recursos zoogeneticos, que sirva de marco estrategico que guie los esfuerzos internacionales para la conservacion y el desarrollo de los recursos zoogeneticos, crear conciencia de los muchos roles y valo...

Introduction to the Symposium on Pig Biodiversity, which was held in the Spanish city of Córdoba ... more Introduction to the Symposium on Pig Biodiversity, which was held in the Spanish city of Córdoba during 7-9th November 2002

Journal of Animal Science, 1999

Thirteen crossbred ewes were used to compare weigh-suckle-weigh (WSW) and machine milking (MM) me... more Thirteen crossbred ewes were used to compare weigh-suckle-weigh (WSW) and machine milking (MM) methods for determining milk production of ewes that were rearing single or twin lambs. At parturition, ewes were 13 mo of age and produced six single lambs and seven pairs of twin lambs. Milk production estimates were initiated on d 6 of lactation and a 3-d rotation of the two techniques was implemented. On d 6, milk production was measured using WSW; on d 7, MM was used. No measurement was made on d 8. The 3-d rotation was repeated 20 times throughout a 63-d lactation, resulting in 20 point estimates of milk production for each method of measurement for each ewe. The WSW procedure consisted of a 3-h period in which lambs were withheld from suckling their dams. This was followed by a suckling period, a second 3-h withholding period, and a second suckling period. Differences in pre-and postsuckling lamb weights of the second suckling period were defined as milk consumption and, indirectly, 3-h milk production. The MM procedure included an administration of 10 IU of oxytocin (i.v.), followed by evacuation of the udder with a machine using commercially available sheep milking equipment, and the milk was discarded. Lambs were withheld from suckling the ewes for a 3-h period, followed by a repetition of the oxytocin and machine milking procedures. Milk from the second milking was weighed. Milk production estimates determined using the WSW and MM techniques were similar (P = .42). Average 3-h milk production was 340 and 351 g for WSW and MM, respectively. Machine milking provides a reliable tool in evaluating the milk-producing ability of ewes that are rearing single or twin lambs.

Ecological Economics, 2003

Biodiversity conservation and sustainable use has, for many people, become associated mainly with... more Biodiversity conservation and sustainable use has, for many people, become associated mainly with issues related to plants and wild animals. Although much less discussed, the loss of farm animal genetic resources (AnGR) may well be much more serious than in crops because ...

Archivos De Zootecnia, 2003

Proyecto académico sin fines de lucro, desarrollado bajo la iniciativa de acceso abierto

FAO’s programme for Animal Genetic Resources (AnGR) Management is guided by the Commission on Gen... more FAO’s programme for Animal Genetic Resources (AnGR) Management is guided by the Commission on Genetic Resources for Food and Agriculture. Important elements are reporting on the status of animal genetic diversity and supporting the development of methodological tools to support decision-making and implementation of national AnGR management programmes. As a first step in the reporting process, FAO invited 188 countries to submit national reports on AnGR management. The process also included the establishment of a network of National Coordinators and Consultative Committees. Subregional training and follow-up workshops were organized. The Country Reports were seen as the base for developing the first report on the State of the World’s Animal Genetic Resources (SoW-AnGR). A total of 169 Country Reports were received. The 148 reports available by June 2005 were used to assess institutional and human capacity, breeding and conservation programmes, use of biotechnology, and legal framewor...

ICAR Technical Series No. 9 Customer demands for food safety and origin certification are causing... more ICAR Technical Series No. 9 Customer demands for food safety and origin certification are causing major challenges to the livestock industry. Mercosur countries are quickly developing and adopting animal identification and recording systems to comply with the required product traceability. In this matter, Brazil has been pioneer in implementing the Brazilian Bovine and Bubaline Identification and Certification System (SISBOV) in 2002. This system aims individual certification of origin, identification, registration and monitoring. Each animal has a unique individual identification system and receives an animal identification document (DIA), which is equivalent to a passport, and must accompany the animal in every movement. Currently, to be considered traced and exported, animals have to stay in the system for 40 days before the DIA may be issued. As of April 2004, there were about 15 million animals registered in SISBOV. Similar systems are being adopted in Argentina and Uruguay, wh...

The paper explores the significance of livestock genetic diversity in the dry rangelands of the N... more The paper explores the significance of livestock genetic diversity in the dry rangelands of the Near East, Central Asia, and selected countries in East and South Asia, South and Central America and Africa. The selection of range- land versus non-rangeland countries is based on the production system maps developed by the International Livestock Research Institute (ILRI). The analysis includes cattle, sheep, goats, camelids, horses and asses. Data on breed distribution and risk status are obtained from the global database of the Domestic Animal Diversity Information System (DAD-IS), which contains information on 37 species of domestic animals used in food and agriculture from 180 countries. The contribution of the rangelands to the overall livestock production is used to provide an indicator of the economic importance of rangeland livestock breeds within each geographical region. The share of rangeland breeds in overall breed diversity within the respective regions or countries is ass...

FAO’s programme for Animal Genetic Resources (AnGR) Management is guided by the Commission on Gen... more FAO’s programme for Animal Genetic Resources (AnGR) Management is guided by the Commission on Genetic Resources for Food and Agriculture. Important elements are reporting on the status of animal genetic diversity and supporting the development of methodological tools to support decision-making and implementation of national AnGR management programmes. As a first step in the reporting process, FAO invited 188 countries to submit national reports on AnGR management. The process also included the establishment of a network of National Coordinators and Consultative Committees. Subregional training and follow-up workshops were organized. The Country Reports were seen as the base for developing the first report on the State of the World’s Animal Genetic Resources (SoW-AnGR). A total of 169 Country Reports were received. The 148 reports available by June 2005 were used to assess institutional and human capacity, breeding and conservation programmes, use of biotechnology, and legal framewor...

CEP 96010-900-Tel. (0532) 757270-Pelotas/RS-Brasil. (Recebido para publicação em 05/10/94) RESUMO... more CEP 96010-900-Tel. (0532) 757270-Pelotas/RS-Brasil. (Recebido para publicação em 05/10/94) RESUMO A eficiência da seleção por apreciação visual foi comparada com seis diferentes critérios de seleção considerando os pesos de velo limpo (PVL) e corporal (PC), em 64 carneiros da raça Corriedale, com idade média de 18 meses, criados em campo nativo no municipio de Santa Vitória do Palmar, RS. Para os critérios objetivos, seis índices de seleção com diferentes ênfases nos caracteres medidos foram examinados: 100% PVL; 70% PVL e 30% PC; 60% PVL e 40% PC; 50% PVL e 50% PC; 40% PVL e 60% PC; e, 30% PVL e 70% PC. Para cada ponderação de PVL e PC foram simulados quatro diferentes pressões de seleção, 14, 28, 43 e 56% de animais selecionados, correspondentes aos grupos obtidos na classificação por um técnico, quando da apreciação visual da produção de lã e conformação dos animais. Foram obtidos diferenciais de seleção para cada critério de seleção (visual + 6 índices) e pressão de seleção (4)....

Thirteen crossbred ewes were used to compare weigh-suckle-weigh (WSW) and machine milking (MM) me... more Thirteen crossbred ewes were used to compare weigh-suckle-weigh (WSW) and machine milking (MM) methods for determining milk production of ewes that were rearing single or twin lambs. At parturition, ewes were 13 mo of age and produced six single lambs and seven pairs of twin lambs. Milk production estimates were initiated on d 6 of lactation and a 3-d rotation of the two techniques was implemented. On d 6, milk production was measured using WSW; on d 7, MM was used. No measurement was made on d 8. The 3-d rotation was repeated 20 times throughout a 63-d lactation, resulting in 20 point estimates of milk production for each method of measurement for each ewe. The WSW procedure consisted of a 3-h period in which lambs were withheld from suckling their dams. This was followed by a suckling period, a second 3-h withholding period, and a second suckling period. Differences in pre- and postsuckling lamb weights of the second suckling period were defined as milk consumption and, indirectly...

The aim of the present study was to estimate (co)variance components and genetic parameters for a... more The aim of the present study was to estimate (co)variance components and genetic parameters for average daily gain from birth to weaning (ADGa), weaning to 6 months (ADGb), weaning to 9 months (ADGc), 6 months to 9 months (ADGd) and corresponding Kleiber ratios (KRa, KRb, KRc and KRd) in Mehraban sheep. A derivative-free algorithm combined with a series of six univariate linear animal models was used to estimate phenotypic variance and its direct, maternal and residual components. In addition, bivariate analyses were done to estimate (co)variance components between traits. Estimates of direct heritability (h 2) were 0.10, 0.11, 0.16, 0.09, 0.13, 0.13, 0.15 and 0.08 for ADGa, ADGb, ADGc, ADGd, KRa, KRb, KRc and KRd, respectively and indicate that in Mehraban sheep genes contribute very little to the variance of the growth rate and Kleiber ratio. Estimates of maternal heritability (m 2) were 0.10, 0.08 and 0.05 for ADGa, KRa and KRb, respectively. Direct additive genetic correlations ranged from −0.32 (KRa-KRd) to 0.99 (ADGb-KRb) and phenotypic correlations ranged from −0.53 (ADGa-ADGd) to 0.99 (ADGa-KRa). Estimates of direct heritability and genetic correlations show that genetic improvement in efficiency of feed utilization through selection programmes is possible, though it would generate a relatively slow genetic progress.

Journal of Animal Science, 1971

Pesquisa Agropecuaria Brasileira, 1987

Current Agricultural Science and Technology, Jul 30, 2012

Pesquisa Agropecuaria Brasileira, Nov 1, 1994