Productive Response of Pelibuey Sheep to Supplementation in the Stretching Season in the Dry Tropic  

作　　者：Aguirre Herminio Aniano Gasga Pérez Lauro Peláez Estrada Urfila Victoria Galindo Arturo De la Rosa Lozano Aguirre Eugenia Mondragón Calderón Uriel Aguirre Herminio Aniano;Gasga Pérez Lauro;Peláez Estrada Urfila Victoria;Galindo Arturo De la Rosa;Lozano Aguirre Eugenia;Mondragón Calderón Uriel(Tecnológico Nacional de México, Instituto Tecnológico de Pinotepa, Oaxaca, México)

机构地区：[1]Tecnológico Nacional de México, Instituto Tecnológico de Pinotepa, Oaxaca, México

出　　处：《American Journal of Plant Sciences》2021年第9期1319-1327,共9页美国植物学期刊（英文）

摘　　要：Sheep meat production in the dry tropics of Mexico is low in the dry season, <span>due to lack of forage, therefore, strategic supplementation is important to av</span>oid weight loss in animals;The research was carried out from August 15 to De<span>cember 15, 2020 in order to evaluate the productive response of pelibuey sh</span>eep in confinement, fed with pangola grass hay (GH), plains grass silage (PGS) and supplemented with commercial feed (CF) in the dry season. 16 sheep of the same weight and age were used, four treatments were evaluated in them, in a completely random design;the treatments were four levels of supplement 0, 0.1, 0.2 and 0.3 kg of AC fed with HP and PGS. Sheep were dewormed at the beginning of the experiment and housed in individual cages. The variables were: dry matter intake, daily weight gain (DWG) and DM digestibility. DM consumption was different (P<span style="font-family:;" "=""> </span><span style="font-family:;" "="">< 0.01), the lowest consumption was 0.364 kg in treatment 1 (T1), with a maximum of 0.684 kg in T4;WDG was different (P</span><span style="font-family:;" "=""> </span><span style="font-family:;" "="">< 0.01), with a lower value of 0.044 kg·day^-1 in T1 and a higher value of 0.112 kg in T4. The apparent digestibility of the dry matter showed a difference (P</span><span style="font-family:;" "=""> </span><span style="font-family:;" "="">< 0.01) which varied from 45.52 to 59.15% for T1 and T4, respectively. DM intake, WL gain, and DM digestibility increased with increasing supplement level at the levels studied.</span>Sheep meat production in the dry tropics of Mexico is low in the dry season, <span>due to lack of forage, therefore, strategic supplementation is important to av</span>oid weight loss in animals;The research was carried out from August 15 to De<span>cember 15, 2020 in order to evaluate the productive response of pelibuey sh</span>eep in confinement, fed with pangola grass hay (GH), plains grass silage (PGS) and supplemented with commercial feed (CF) in the dry season. 16 sheep of the same weight and age were used, four treatments were evaluated in them, in a completely random design;the treatments were four levels of supplement 0, 0.1, 0.2 and 0.3 kg of AC fed with HP and PGS. Sheep were dewormed at the beginning of the experiment and housed in individual cages. The variables were: dry matter intake, daily weight gain (DWG) and DM digestibility. DM consumption was different (P<span style="font-family:;" "=""> </span><span style="font-family:;" "="">< 0.01), the lowest consumption was 0.364 kg in treatment 1 (T1), with a maximum of 0.684 kg in T4;WDG was different (P</span><span style="font-family:;" "=""> </span><span style="font-family:;" "="">< 0.01), with a lower value of 0.044 kg·day^-1 in T1 and a higher value of 0.112 kg in T4. The apparent digestibility of the dry matter showed a difference (P</span><span style="font-family:;" "=""> </span><span style="font-family:;" "="">< 0.01) which varied from 45.52 to 59.15% for T1 and T4, respectively. DM intake, WL gain, and DM digestibility increased with increasing supplement level at the levels studied.</span>

关 键 词：INTAKE Weight Gain SHEEP DIGESTIBILITY 

分 类 号：O17[理学—数学]