Michael M. Uy, from the
institute of the Philippines. wrote a research article about, Evaluation of
Sorghum Varieties for Quality Silage Production. Entitled, Development and
evaluation of three sorghum varieties under different fermentation period for
silage production. This research paper published by the International Journal of Biosciences | IJB. an open access scholarly research journal Biosciences. under
the affiliation of the International Network For Natural Sciences| INNSpub. an
open access multidisciplinary research journal publisher.
Abstract
Silage is a crucial
source of nourishment for livestock, especially during dry periods or
poor-quality grass. The simple random and ranking technique was used, and
it was conducted at Cagayan State -University at Piat Campus to investigate the
nutritional value of three sorghum cultivars when turned into silage with
varying fermentation durations. Generally, the study aimed to determine the
most suitable sorghum variety for optimal silage production based on
nutritional quality. The results showed that all three sorghum
varieties exhibited an increase in crude protein content from 14 to
21 days of fermentation. Additionally, higher fiber content was
observed after 28 days of fermentation. Extended fermentation led to
a reduction in moisture content due to microbial activity during the ensiling
process. The presence of calcium and phosphorus in the fermentation
substrate influenced the proliferation and activity of fermentative
microorganisms. Based on the study, the 21-day fermentation period for sorghum
silage is recommended for local livestock farmers. Furthermore,
considering their nutritional content, the SV2 and SV3 sorghum varieties are
suitable for silage production. It is recommended that a wider range
of sorghum cultivars and varying fermentation durations be
considered to identify the best options for high-quality silage
production.
Introduction
The demand for needs
like food, clothing, and housing is rising as a result of the planet's ongoing
rapid population growth. Regrettably, the amount of land accessible for crop
production has significantly decreased as a result of this demand, which is
negatively affecting the agricultural sector. The livestock business also faces
difficulties as a result of the loss of pasture lands and natural vegetation
brought on by the conversion of land for commercial use.
Because they have few
resources, livestock farmers in the surrounding farming villages feed their
animals by using naturally occurring weeds and agricultural waste materials.
However, the lack of sufficient nourishment from these sources frequently
results in low animal productivity.
The Department of
Agriculture is trying to address this problem by introducing new technology and
ways to give cattle greater nutrition. Planting sorghum, a significant fodder
crop that does well in a range of environmental circumstances, is one such
alternative. Because of its morphophysiological responses to water stress,
sorghum can thrive in arid and semi-arid environments and produce high dry
matter yields while adjusting to variable rainfall patterns.
Because of their high
nutritional value, limited buffering capacity, and high concentration of
soluble carbohydrates, sorghum plants are also good for making silage. In
tropical areas, silage production is a vital technique for conserving fodder
and is frequently employed to keep livestock fed during dry spells.
Crop health and
productivity are also influenced by the methods used in their upbringing, care,
and nursing. Due to its environmental adaptability, sorghum is a significant
feed crop that is utilized in livestock systems in many parts of the world (Sanchez
et al., 2002). Due to its morpho-physiological responses to water stress, which
result in a high dry matter yield (DMY) and resilience in places with irregular
rainfall distribution, sorghum is a significant source of roughage in arid and
semi-arid regions (Sankarapandian et al., 2013).
In addition to these traits, sorghum plants
are good for making silage (Brocke et al., 2014). This is due to their high
soluble carbohydrate content (Sankarapandian et al., 2013), low buffering
capacity, and high nutritional value (Kumar et al., 2015), all of which are
necessary for sufficient lactic acid fermentation (Santos et al., 2013).
It is significant
because, in tropical countries, silage production is a primary means of
conserving fodder, which gives animals something to eat during dry spells.
Sorghum leaves and
stalks can be used as silage, green feed, or fodder for animals, especially
cattle and ruminants. Silage is made by fermentation and gives animals a
high-quality diet at times when feed is in short supply. However, several
variables, including the crop's age, the length of the fermented period, and
the crop itself, might impact the nutrient composition of sorghum silage.
Consequently, a study was carried out to ascertain the nutrient composition of
sorghum silage by counting the number of days throughout the fermentation
process. Generally, the study aimed to develop and evaluate the three sorghum
cultivars for silage as affected by the number of days in the fermentation
period. Specifically, it aimed to: (1) evaluate the nutritional quality of the
silage produced from the three sorghum varieties under different fermentation
periods and (2) identify the most suitable sorghum variety for optimal silage
production based on nutritional quality.
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