Determinants of herd size of pigs in southern Kaduna area of Kaduna state, Nigeria
Adesehinwa, A.O.K¹; Ajala, M.K²; Yakubu, L^3
1Ahmadu Bello University, National Agricultural Extension Research Liaison Services, Zaria. Nigeria; ²Ahmadu Bello University, National Animal Production Research Institute, Zaria. Nigeria; ³Ahmadu Bello University, Department of Agricultural Economics and Rural Sociology, Zaria. Nigeria
[Tropical and subtropical agroecosystems, México, 2007 Vol. 7 Núm. 2 Ago, Pág. 123-126]

Development of quality protein maize: biochemical and agronomic evaluation
Olakojo, S.A¹; Omueti, O; Ajomale, K; Ogunbodede, B.A
¹Obafemi Awolowo University, Institute of Agricultural Research and Training, Moor Plantation, Ibadan. Nigeria
[Tropical and subtropical agroecosystems, México, 2007 Vol. 7 Núm. 2 Ago, Pág. 97-104]

Effect of compound fertilizer on the yield and productivity of soybean and maize in soybean/maize intercrop in southeastern Nigeria
Mbah, E.U¹; Muoneke, C.O; Okpara, D.A
¹Michael Okpara University of Agriculture, Department of Agronomy, Umuahia, Abia. Nigeria
[Tropical and subtropical agroecosystems, México, 2007 Vol. 7 Núm. 2 Ago, Pág. 87-95]

Effect of maturity on chemical composition, phenolics and amino acids content and rumen degradability of Sorghum almum
Lanyasunya, T.P¹; Wang, Hong Rong; Kariuki, S.T²; Mukisira, E.A
¹Yangzhou University, College of Animal Sciences, Yangzhou. China; ²Egerton University, Department of Botany, Njoro. Kenia
[Tropical and subtropical agroecosystems, México, 2007 Vol. 7 Núm. 2 Ago, Pág. 63-72]

Effect of planting pattern of two herbaceous forage legumes in fodder grasses on productivity of grass/legume mixture in semi-arid tropical Kenya
Njarui, D.M.G¹; Njoka, E.N²; Abdulrazak, S.A; Mureithi, J.G^3
1Kenya Agricultural Research Institute, Machakos. Kenia; ²Egerton University, Department of Animal Science, Njoro. Kenia; ³Kenya Agricultural Research Institute, National Agricultural Research Laboratories, Nairobi. Kenia
[Tropical and subtropical agroecosystems, México, 2007 Vol. 7 Núm. 2 Ago, Pág. 73-85]

Factores organizacionales asociados al éxito de la incorporación de mujeres mayas a actividades productivas en la zona centro del estado de Yucatán, México
Valencia Heredia, Eduardo¹; Pech Martínez, Víctor; Rejón Avila, Manuel; Gutiérrez Triay, Miguel; Carvajal Hernández, Melinda
¹Universidad Autónoma de Yucatán, Facultad de Medicina Veterinaria y Zootecnia, Mérida, Yucatán. México
[Tropical and subtropical agroecosystems, México, 2007 Vol. 7 Núm. 2 Ago, Pág. 145-148]

Impacto económico de la mastitis subclínica en hatos bovinos de doble propósito de la zona centro del estado de Yucatán
Pech Martínez, Víctor C¹; Carvajal Hernández, Melinda; Montes Pérez, Rubén
¹Universidad Autónoma de Yucatán, Facultad de Medicina Veterinaria y Zootecnia, Mérida, Yucatán. México
[Tropical and subtropical agroecosystems, México, 2007 Vol. 7 Núm. 2 Ago, Pág. 127-131]

Land use systems and distribution of Trichoderma species in Embu region, Kenya
Okoth, Sheila A¹; Roimen, H; Mutsotso, B; Muya, E²; Kahindi, J³; Owino, J.O; Okoth, P
¹University of Nairobi, Nairobi. Kenia; ²Kenya Agricultural Institute, Nairobi. Kenia; ³United States International University, Nairobi. Kenia
[Tropical and subtropical agroecosystems, México, 2007 Vol. 7 Núm. 2 Ago, Pág. 105-122]

Presencia de metabolitos secundarios en el follaje de diez leñosas de ramoneo en el bosque xerofítico del Chaco árido argentino
Rossi, Carlos Alberto¹; León, Marcelo de; González, Gabriela Laura; Pereyra, Ana María
¹Universidad Nacional de Lomas de Zamora, Facultad de Ciencias Agrarias, Llavallol, Buenos Aires. Argentina
[Tropical and subtropical agroecosystems, México, 2007 Vol. 7 Núm. 2 Ago, Pág. 133-143]

Amelioration of soil acidity using cocoa husk ash for maize production in Umudike area of south east Nigeria
Onwuka, M.I¹; Osodeke, V.E; Umudike, N.A
¹Michael Okpara University of Agriculture, Okolo Department of Soil Science and Agroclimatology, Umuahia, Abia State. Nigeria
[Tropical and subtropical agroecosystems, México, 2007 Vol. 7 Núm. 1 Abr, Pág. 41-45]

Artificial insemination in Camelidae
Marai, I.F.M¹; Zeidan, A.E.B^2
1Zagazig University, Faculty of Agriculture, Zagazig, Sharqiya. Egipto; ²Animal Production Research Institute, Dokki, Cairo. Egipto
[Tropical and subtropical agroecosystems, México, 2007 Vol. 7 Núm. 1 Abr, Pág. 1-13]

Effect of maturity on the mineral content of hairy vetch (Vicia villosa)
Lanyasunya, T.P¹; Wang, Hong Rong; Kariuki, S.T²; Kuria, D.M; Chek, A.L³; Mukisira, E.A
¹Yangzhou University, College of Animal Sciences, Yangzhou. China; ²Egerton University, Department of Botany, Njoro. Kenia; ³National Agriculture Research Laboratories, Nairobi. Kenia
[Tropical and subtropical agroecosystems, México, 2007 Vol. 7 Núm. 1 Abr, Pág. 53-58]

Effect of quantitative feed restriction on the performance and laying characteristics of pullets
Ukachukwu, S.N¹; Akpan, U.O
¹Michael Okpara University of Agriculture, Umuahia, Abia State. Nigeria
[Tropical and subtropical agroecosystems, México, 2007 Vol. 7 Núm. 1 Abr, Pág. 15-20]

Effects of Dinarmus basalis (Rendani) on the population density of Callosobruchus maculatus (Fabricius) on stored cowpea (Vigna unguiculata Walp) seeds
Iloba, B.N¹; Umoetok, S.B.A^2
1University of Benin, Department of Zoology, Benin. Nigeria; ²University of Calabar, Calabar. Nigeria
[Tropical and subtropical agroecosystems, México, 2007 Vol. 7 Núm. 1 Abr, Pág. 59-62]

Empirical management of an endemic cichlid fish, Cichlasoma cienagae Hubbs, 1936
Barrientos Medina, Roberto C¹; Chumba Segura, Lizbeth
¹Universidad Autónoma de Yucatán, Facultad de Medicina Veterinaria y Zootecnia, Mérida, Yucatán. México
[Tropical and subtropical agroecosystems, México, 2007 Vol. 7 Núm. 1 Abr, Pág. 47-51]

Microbial quality evaluation of velvet bean seeds (Mucuna pruriens L. DC.) exposed to ionizing radiation
Bhat, Rajeev¹; Sridhar, Kandikere R; Velmourougane, K^2
1Mangalore University, Department of Biosciences, Mangalore, Karnataka. India; ²Coffee Board, Coffee Research Sub-Station, Karnataka. India
[Tropical and subtropical agroecosystems, México, 2007 Vol. 7 Núm. 1 Abr, Pág. 29-40]

Response of maize (Zea mays L) to different nitrogen fertilizer formulations under Striga lutea (Lour) artificial infestation
Olakojo, S.A¹; Olaoye, G^2
1Obafemi Awolowo University, Institute of Agricultural Research and Training, Moor Plantation, Ibadan. Nigeria; ²University of Ilorin, Department of Crop Production, Ilorin, Kwara. Nigeria
[Tropical and subtropical agroecosystems, México, 2007 Vol. 7 Núm. 1 Abr, Pág. 21-28]

Análisis comparativo de la eficiencia económica de los sistemas de producción de ganado bovino de ciclo completo de pequeños productores de las zonas oriente y sur del estado de Yucatán, México
Magaña Magaña, Miguel A¹; Rejón Avila, Manuel²; Pech Martínez, Víctor C; Valencia Heredia, Eduardo R
¹Instituto Tecnológico de Conkal, Conkal, Yucatán. México; ²Universidad Autónoma de Yucatán, Facultad de Medicina Veterinaria y Zootecnia, Mérida, Yucatán. México
[Tropical and subtropical agroecosystems, México, 2006 Vol. 6 Núm. 2 Ago, Pág. 197-199]

A review of improved forage grasses in Zimbabwe
Mapiye, C¹; Mwale, M; Chikumba, N²; Poshiwa, X; Mupangwa, J.F; Mugabe. P.H^3
1Bindura University of Science Education, Department of Agriculture, Bindura. Zimbabwe; ²Grasslands Research Station, Marondera. Zimbabwe; ³University of Zimbabwe, Department of Animal Science, Mount Pleasant, Harare. Zimbabwe
[Tropical and subtropical agroecosystems, México, 2006 Vol. 6 Núm. 2 Ago, Pág. 125-131]

Chemical composition and fermentative quality of fodder grasses ensiled with derinded fresh sugarcane crush
Mtengeti, E.J¹; Kavana, P.Y²; Urio, N.A; Shem, M.N
¹Sokoine University of Agriculture, Chuo Kikuu, Morogoro. Tanzania; ²Livestock Research Centre, Tanga. Tanzania
[Tropical and subtropical agroecosystems, México, 2006 Vol. 6 Núm. 2 Ago, Pág. 157-165]