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Analyses reproductive data on 4123 inseminations from 2332 breeding records of 1237 Arsi (Bos indicus) cows, collected between 1982 and early 1989 from the Gobe ranch of the Ethiopian Ministry of Agriculture where cows were kept under similar management; and concludes that long post partum anoest...


Mukasa-Mugerwa, E.Tegegne, AzageMesfin, T.Teklu, Y.[Reproductive efficiency of Bos indicus (Zebu) cows under artificial insemination management in Ethiopia]Reproductive efficiency of Bos indicus (Zebu) cows under artificial insemination management in Ethiopia

Maize streak geminivirus (MSV) isolates originating from maize, other cerealsand 18 grass species in Nigeria were characterized based on symptoms, transmission, host range and serological tests. All isolates could be transmitted to MSV-susceptible sweet corn cv. Golden Bantam using Cicadulina sto...


Mesfin, T.Bosque Pérez, N.A.Buddenhagen, I.W.Thottappilly, G.Oloyede, S.O.[Studies of maize streak virus isolates from grass and cereal hosts in Nigeria]Studies of maize streak virus isolates from grass and cereal hosts in Nigeria

The feeding activity of Aphis craccivora (Koch) was monitored on cowpea plants of aphid‐susceptible (Vita 7) and aphid‐resistant (TVu 801) cultivars, using an AC electronic feeding monitoring system. Waveforms corresponding to salivation, phloem ingestion and non‐phloem ingestion were observed. A...


Mesfin, T.Thottappilly, G.Singh, S.R.[Feeding behaviour of Aphids craccivora (Koch) on cowpea cultivars with different levels of aphid resistance]Feeding behaviour of Aphids craccivora (Koch) on cowpea cultivars with different levels of aphid resistance

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