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Research Article
 

Effect of Some Pollen Substitute Diets on the Development of Apis mellifera L. Colonies



Arshed Makhdoom Sabir, Anjum Suhail, Waseem Akram, Ghulam Sarwar and Muhammad Saleem
 
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ABSTRACT

Nine pollen substitute diets were tested for their performance in supporting the bee colonies of Apis mellifera L. during summer 1996. Maize flour + Vitamin B-complex + Glysine (T6) proved the most suitable diet with 416.14 square inches brood area recorded in the hives provided with this diet. The next more preferred diet was Maize flour + Vitamin B-Complex + Egg yolk (T4) with 354.81 sq. inches brood area. In case of pollen area, the diet T1 (Soybean flour + Vitamin B-Complex) proved the most effective with 104,90 square inches and it was statistically better than all other treatments. Maximum honey area (195.79) square inches recorded in colonies fed with Maize flour-4-Vitamin B-Complex + Methionine (T8) and it was better than all other treatments. Maximum colony strength of 6.24 bee frames per colony was observed in the colonies fed with T7, (Soybean flour + Vitamin B-Complex + Methionine) and it was statistically similar to T8 (5.931, T9 (5.78), T1 and T4 (5.74).

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  How to cite this article:

Arshed Makhdoom Sabir, Anjum Suhail, Waseem Akram, Ghulam Sarwar and Muhammad Saleem, 2000. Effect of Some Pollen Substitute Diets on the Development of Apis mellifera L. Colonies. Pakistan Journal of Biological Sciences, 3: 890-891.

DOI: 10.3923/pjbs.2000.890.891

URL: https://scialert.net/abstract/?doi=pjbs.2000.890.891
 

Introduction

As during summer the natural sources of pollen and nectar remain scarce, the ornamental plants do not bear flowers during this season while the available agricultural crops like cotton, rice etc. are frequently sprayed with very toxic insecticides which are very injurious to honeybees. Due to these reasons, in summer, the bees are supplemented with artificial diets. So it is intended to initiate efforts to enhance the brood rearing activity of bees during summer by providing them pollen substitute diets. Therefore, the present investigations are being taken with major objective to evaluate the best suitable pollen substitute for summering the bee colonies and to improve their performance of brood rearing. The previous workers also did some work on these aspects such as: Latif et al. (1956) reported that during various pollen scarcity periods, soybean flour and natural pollen (3.2) gave an increased brood rearing.

Kashkovskii and Shushkov (1963) tested two groups of colonies and found that feeding bees with honey mixed with pollen did not influence the amount of brood reared.

Mores and Laigo (1968) observed a variety of suggested pollen supplements and found the best supplement prepared from four parts of Soybean flour, one part dried Brewer's yeast and one part dried skimmed milk. Bambay and Gorgui (1970) observed that the Maize flour proved significantly better than other flours. Stanger and Gripp (1972) reported that the colonies fed with pollen supplements, increased in bee population. Erickson and Herbert Jr (1980) reported that Soybean products were satisfactory substitute for expeller-processed Soya flour when fed with pollen supplement.

Rafique and Nasreen (1984) reported that during pollen scarcity period, provision of sugar and honey syrup and mixture of dried egg yolk and soybean flour gave good results for colony development.

Farooqi (1986) studied the nutritional affects of different feeds on the development of Apis mellifera L. colonies. Among the 10 treatments, the most significant diet was found to be pollen as best substitute diet.

Garcia et al. (1986) determined that the synthetic diet, composed of Soya and Maize added with methionine and lysine increased the viability of eggs produced by the queens and food intake in the hives.

Couto et al. (1989) studied the effects of feeding with a diet containing 53 percent Soybean meal 27 percent wheat meal and 20 percent maize on the production of food and brood. They also observed that this diet did not stimulate queen oviposition and brood rearing.

Materilas and Methods

The experiments were conducted in the Apiary of Department of Agricultural Entomology, University of Agriculture, Faisalabad, following Completely Randomized Design (CRD). Thirty colonies of Apis mellifera L. in the standard Langstroth bee hives, having queens of the same age were selected. These were divided into ten groups, each comprising three colonies. Each group was of equal strength. The colony groups were randomly selected for each diet and each colony was numbered and labelled. The following feeds were tested during the course of the studies carried out during the summer, 1996. The data recorded were subjected to the statistical analysis.

T1 Soyabean flour + Vitamin B-complex.
T2 Maize flour + Vitamin B-Complex.
T3 Soyabean flour + Vitamin B-Complex + Egg yolk
T4 Maize flour + Vitamin B-Complex + Egg yolk
T5 Soybean flour + Vitamin B-Complex + Glysine
T6 Maize flour + Vitamin B-Complex + Glysine.
T7 Soybean flour + Vitamin B-Complex + Methionine
T8 Maize flour +Vitamin B-Complex + Methionine
T9 Pollen
T10 Control

Pollen was collected mechanically from bee combs and soybean flour prepared by extracting oil from soybean grains. Each diet was prepared by mixing its ingredients with sugar syrup 11:21 in dough-like consistency (Rafique and Nasreen, 1984).

The diets used to evaluate the brood rearing capabilities of test colonies were placed on the top of the frames in bee hives and colonies were fed continuously on these diets.

One group of these colonies served as control. Sealed brood area was measured in square inches after every two weeks by means of a wire grid with divisions giving an area of one square inch each. This sealed brood was used as criteria for judging the development of colonies. The pollen and honey area was also recorded with the same method as mentioned in brood area. The number of frames stored in hives were also checked and recorded.

Results and Discussion

The results obtained during the course of study are given in Fig. 1. The perusal of the table show that in diet T6 proved the most suitable with maximum brood area of 416.14 sq. inches was recorded. The next preferred diet was T4. The brood area observed in this case was 354.81 square inches and it was also statistically better than all other treatments except T6. The poorest performance was showed by the diet T5 with 217.76 and it was statistically similar to T3 (231.57), Minimum brood area was recorded in control (160.31) and it is statistically inferior to all other treatments. The results about pollen area show that the maximum pollen area 104.99 square inches was observed in diet T1 and it was statistically better than all other treatments, with pollen area ranging from 37.80 to 78.38 square inches. T4, T5, and T9 also gave good performance as pollen substitute and the pollen area recorded were 78.38, 78.12 and 74.71 respectively and these three treatments were found statistically at par. Minimum pollen area was recorded in control which was only 37.78 square inches.


Fig. 1:The effect of different diets on brood and pollen area (per square inch) in Apis mellifera L.

The results in Fig. 2 about honey area depict a significant effect on honey area by the diet T8 with the maximum honey area of 195.79 square inches and it was statistically better than all other treatments. T9 also proved very good and 173.38 square inches honey area was observed in this case. T2, T3 and T5 showed similar effects on honey area ranging from 46.28 - 51.78 square inches. T10 had 37.19 square inches honey area and it was statistically inferior to all other treatments. The maximum bee strength of 6.24 frames was observed in colonies fed with T7 and it was statistically at par with T9 (5.93), T9 (5.78), T1 and T4 (5.74) while T2 (5.64) proved better than T3 (5.16), T5 (5.09) and T10 (5.09).


Fig. 2:The effect of different diets on brood and pollen area (per square inch) in Apis mellifera L.

Similar results were obtained by Bambay and Gorgui (1970) and Garcia et al. (1986) who reported that maize flour proved more significantly better than other flours as a pollen substitute. Partially similar results were obtained by Latif et al. (1956) when they mixed egg yolk, honey and natural pollen. These results are also different from those of Mores and Laigo (1968), Rafique and Nasreen (1984) and Farooqi (1986) who reported that soybean mixed with different other substances proved good pollen substitute.

In case of pollen area results are comparable with those of Erickson and Herbert Jr (1980) who reported that soybean products were good substitute as pollen supplement.

The results about honey area are in agreement with those of Farooqi (1986) and Couto et al. (1989) who reported positive and increasing effect of different pollen substitutes/ supplements on honey area.

REFERENCES
1:  Bambay, M.A. and W.A. Gorgui, 1970. Development of honeybees whose colonies are fed on sugar syrup and different kinds of pollen substitutes. Res. Bull. Fac. Agric. Ainshams, 23: 202-202.

2:  Couto, R.H.N., L.A. Salles and N.A. Couto, 1989. Production of brood and food in confined colonies of Apis mellifera fed with protein rations. Ecossistema, 14: 213-218.

3:  Erickson, E.H. and E.W. Herbert Jr., 1980. Soybean products replace expeller-processed soyflour for pollen supplements and substitutes. Am. Bee J., 120: 122-126.

4:  Farooqi, F.A., 1986. Studies on the nutritional effects of different feeds on the development of Apis mellifera L colonies. M.Sc. Thesis, University of Agriculture, Faisalabad, Pakistan.

5:  Garcia, R.H., R.H.N. Couto, L.A. Couto and 0.M. Junqueria, 1986. Protein, Lysine and methionine levels in the diets of Apis melitera in hives infested with Varroa jacobsoni. Ars Veternaria, 2: 147-151.

6:  Kashkovskii, V. and D. Shushkov, 1963. Is honey pollen feeding necessary. Pchelovostovo, 40: 11-13.

7:  Latif, H., A. Qayyum and M. Hussain, 1956. Importance of pollen supplements and substitutes in the development of colonies of Apis indica F. Proceedings of the 8th Pakistan Science Conference, (PSC’56), Lahore, Pakistan, pp: 74-75.

8:  Mores, R.A. and F.M. Laigo, 1968. Beekeeping in the Philippines. Farm Bulletin No. 27, University of Philippines, Los Banos, Philippine.

9:  Stanger, W. and R.H. Gripp, 1972. Commercial feeding of honeybees. Am. Bee J., 112: 417-418.

10:  Rafique, A. and M. Nasreen, 1984. Jadeed Magasbani. PARC., Islamabad, Pages: 346.

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