Now showing items 1-10 of 1452
Influence of energy supplementation the reproductive performance of female goats grazing native range.
(In: INTERNATIONAL CONFERENCE ON GOATS, 4., 1987, Brasília, DF. Proceedings... Brasília, DF: EMBRAPA-DDT, 1987. v. 2. p. 1398. Abstract 138., 1987)
Cell-sealing efficiency and reproductive workers in the species Melipona bicolor (Hymenoptera, Meliponini): double standard and possible rogue conduct
(SPRINGER FRANCEPARIS, 2012)
In many hymenopteran insect societies, selfish workers are policed, as selfishness can negatively affect the average inclusive fitness of one or both castes by reducing either the degree of average relatedness to the ...
Performance reprodutiva em caprinos sincronizados, com esponjas intravaginais, impregnadas com progestógeno (FGA), PMSG e cloprostenol e inseminados com sêmen resfriado a 4oC.
(In: CONGRESSO BRASILEIRO DE MEDICINA VETERINÁRIA, 19., 1984, Belém. Resumos... Belém: Sociedade Brasileira de Medicina Veterinária, 1984. p. 86., 1984)
Action of andiroba oil (Carapa guianensis) on Rhipicephalus sanguineus (Latreille, 1806) (Acari: Ixodidae) semi-engorged females: Morphophysiological evaluation of reproductive system
Because of the increasing medical-veterinary importance of ticks, the development of alternative control methods, less aggressive to the host and the environment has become the target of several researches. In this sense, ...
Impacts of Reproductive Technologies on Beef Production in South America
The majority of beef cow herds in South America are constituted by Bos indicus females, which have particular reproductive features that contribute to reduced reproductive efficiency compared with that of B. taurus cohorts. ...
Seleção para características reprodutivas em bovinos de corte da raça Nelore
Genetic breeding programs of beef cattle in Brazil are including new features, mainly related to reproductive efficiency. Thus, it is necessary to study the effectiveness of selection and quantify genetic gain for these ...
Genetic relationship among reproductive traits in Nellore cattle
(Cambridge Univ Press, 2015-05-01)
In order to achieve improvements in production efficiency in livestock, herds of high sexual precocity and good fertility are needed. These traits increase the availability of animals in herd, either for sale or selection, ...
Factors affecting reproduction.
(In: REUNIÃO TÉCNICO-CIENTÍFICA DO PROGRAMA DE APOIO À PESQUISA COLABORATIVA DE PEQUENOS RUMINANTES, 1., 1986, Sobral. Caprinos e ovinos no Nordeste do Brasil: anais. Sobral: EMBRAPA-CNPC: SR-CRSP, 1986. p. 371-384. (EMBRAPA-CNPC. Documentos, 6)., 1986)
Phenology of a dioecious population of Batrachospermum delicatulum (Batrachospermales, Rhodophyta) in a stream from southeastern Brazil
The seasonal dynamics of a dioecious population of Batrachospermum delicatulum (Skuja) Necchi and Entwisle was evaluated biweekly during the growth period of the macroscopic gametophyte, from late autumn (May) to early ...
The effects of tropical environment on reproduction efficiency in ruminants.
(In: SIMPÓSIO INTERNACIONAL DE BIOCLIMATOLOGIA ANIMAL NOS TRÓPICOS: PEQUENOS E GRANDES RUMINANTES, 1., 1986, Fortaleza. Anais... Brasília, DF: Embrapa-DIE, 1990. p. 62-86., 2014)