Heidarpouret Sartorius muscles, as well as the yellowness of

Heidarpouret al. (2011) conducted a study to investigste effects
of SPP supplementation onthe performance as well as digestibility of dry matter
(DM), crude protein (CP), neutral detergent fiber (NDF), organic matter (OM),
cholesterol, LDL, HDL, BUN, albumin and globulin concentration on Holstein
calves. An experiment of total 57 days was designed, 24 calves were divided
into 4 groups with 6 calves in each group and treated with 0, 2, 6 and 25 g Spirulina per day. Starter diet and milk
were used as basal diet for all groups. Results revealed that there was not
significant effect on the final weight, daily gain, daily feed intake, feed
efficiency and digestibility coefficient (P>0.05),while increase in the SPP
level up to 25 g, decreased digestibility of DM, CP,NDF and OM. The group
treated with 25g SPP showed reduction in plasma cholesterol levels as compared
to other groups.However, SPP showed no effect on other blood parameters like
BUN, albumin and globulin. Spectrocolourimetric investigation
shown that the chicks fed the diet containing 40g/kg SPP increased the redness
of Pectoralis superficialis, profundus and Sartorius muscles,
as well as the yellowness of all fillets, including theSemitendinosus muscle,
increased in a sub-linear fashion as by increased SPP levels in the diet. There
were significant association among the yellowness and zeaxanthin content in the
Pectoralis muscle. The results concluded that SPP in diet enhanced the
yellowness as well as redness of meat in broiler chicks.


Mariey et al. (2012)
planned a study in which two local strains of laying hens were fed on diet
contained SPP algae and the aim was to assess their productive and reproductive
performance.A trial of two local strains of laying hens was designed which were
fed on diet containing four levels of Spirulina 0, 0.10, 0.15, 0.20
respectively.  A total two hundred and forty
hens were divided into 4 groups. The results showed that birds fed on Spirulina
containing diet attained higher rate of egg production than the control birds.
Statistical analysis also showed that birds fed on Spirulina diet laid heavy
weight egg than the control birds. Egg yolk percentage and color score were
also significantly increased in birds kept on Spirulina containing diet. With
the use of Spirulina based diet no significant increase in egg shell quality,
albumin and yolk cholesterol were observed. Birds showed increase fertility and
hatchability percentage as compare to control group. The results concluded that
Spirulina had superior effects on bird’s productive and reproductive

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Sabaget al. (2014)
studied the effects of Spirulina powder
supplementation on growth performance, antioxidative status and blood
metabolites in lambs. Two groups with 5 lambs in each group were made; one of
them was treated with 0.01% per 10 kg body weight Spirulina daily and other one without Spirulina supplementation.
The trial was of thirty five days during which on day 0, 17 and 35 body weight
were recorded and blood samples were collected. Conducted results revealed that
the use of Spirulina supplemented feed compared to the control group increased
daily wt gain, feed intake and FCR. Similarly, haemoglobin, total white blood
cell count, serum globulin, vitamin A and reduced glutathione were higher