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Efecto de la adición en el alimento de aguas residuales de una planta productora de caramelo sobre el desempeño de cerdos desde el destete hasta terminado
(2003)
Twenty-four crossbred pigs (Duroc X Yorkshire), of 28 days of age with an average live weight of 6.9 kg, were used to evaluate the addition to the diet of 0 (control), 5, and 7.5 % of wastewater from a caramel production ...
Composting as an alternative method to dispose of slaughterhouse wastes in Puerto Rico
(2006)
The elaboration, and chemical, physical and biological properties of compost made of organic wastes from a slaughterhouse (SHW) plant were evaluated. Freshly cut (FYT) and semi-decomposed (SCYT) yard trimmings were evaluated ...
Efecto de la inclusión de lodo de la industria avícola fermentado y desecado en dietas para pollos de engorde sobre el desempeño productivo, composición de la canal y calidad de la carne
(2006)
About 70% of the total costs of on farm poultry production are attributable to feed costs. Poultry processing residues having nutrient profiles similar to those of conventional feedstuffs used in poultry diets, if handled ...
Consumo voluntario y digestibilidad de nutrientes de heno de gramíneas tropicales nativas y ensilaje de sorgo y el efecto de la suplementación con residuos fermentados de pescadería
(2003)
Se llevaron a cabo tres ensayos con el objetivo de evaluar el consumo voluntario y digestibilidad de nutrientes de heno de gramíneas tropicales nativas (GTN) y ensilaje de sorgo (ES) con o sin suplementación de dos residuos ...
Enzimas exógenas tipo fibroliticas sobre el consumo voluntario y digestibilidad de nutrientes de heno de pasto guinea (Panicum maximum Jacq.)
(2007)
Two experiments were conducted to determine the effect of application of exogenous fibrolytic enzymes on chemical composition, voluntary feed intake (VFI), nutrient digestibility, apparent and true in vitro dry matter (DM) ...
Relación entre los recuentos de células somáticas, prácticas de manejo y patógenos causantes de mastitis en hatos lecheros de Puerto Rico
(2006)
To estimate the potential effect on the dairy industry of the implementation of the National Mastitis Council’s (NMC) proposal to reduce the present regulatory limit for somatic cell count (SCC) of 750,000 cells/ml of crude ...
Efectos de la calidad del forraje y el tipo de concentrado sobre el consumo voluntario y producción de leche en vacas lecheras
(2005)
An experiment was conducted to evaluate the effects of forage quality and type of concentrate on dry matter intake and milk production of dairy cows in early lactation. Eight cows, six Holstein and two cross-bred (Holstein ...
Respuesta inmunológica en cerditos recién nacidos de madres vacunadas con las cepas K88, K99, F41 y 987P de Escherichia coli
(2004)
Ten Yorkshire sows with variable numbers of previous parturitions were divided into two equal groups to test two treatments. Five sows were injected with a vaccine against the strains K88, K99, F41 and 987P of Escherichia ...
Balance de fósforo en vaquerías de Puerto Rico
(2005)
On-farm phosphorus (P) balances are of importance in order to identify critical control points in P feeding and management. Phosphorus mass balances were constructed in twelve pasture-based dairy farms of Puerto Rico, using ...
Efecto de las hormonas oxitocina y pgf2α durante la inseminación artificial sobre la eficiencia reproductiva en cerdas
(2007)
The effects of seminal supplementation with exogenous oxytocin or prostaglandin F2α (PGF2α) were evaluated on the reproductive performance of 33 Yorkshire or Landrace gilts during two seasons, high (> 77oF ) or low (≤ 77oF) ...