KnE Life Sciences | The UGM Annual Scientific Conference Life Sciences 2016 | pages: 326–332

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1. Introduction

Goat is considered an attractive business for small-scale farming in developing countries and less-favored areas due to their well-adapted to the grazing on poor marginal lands [1]. Small ruminants like sheep and goats are important for a larger part of the Indonesian rural population. The major breeds of goats found in Indonesia are the Kacang and Etawah goats. The concentration areas for raising Ettawa Crossbred goats are upland regions, such as Kulon Progo and Sleman Yogyakarta. Besides producing animal products, they also provide manure to maintain soil fertility [2]. Livestock manure is an important resource for food and feeds production because it supplies measure nutrients such as nitrogen (N), phosphorus (P), and potassium (K) [3]. Ruminant manure is a valuable resource as a soil fertilizer, providing both macro, and micronutrients required for the plant growth, and is a low cost alternative to mineral fertilizer [4]. Farmers use sheep and goat manure as fertilizer for their fruit trees and paddy fields [5]. Ettawa goat manure and urine have a good potential for rice farming [6]. Adult goats in Turi Sleman Regency produced 1 kg manure per day [7]. In Indonesia, the goats on small farms are generally kept in wooden housing with slatted flooring and raised above the ground, so goat manure can be collected [8].

2. Material and Method

The location selected in Kulonprogo district which is a center for the breeding production of Ettawa crossbred goats in Yogyakarta. Collecting data census farmers comes from 65 respondents in the hamlet Tegalsari, Village Ngargosari, Samigaluh, and Kulonprogo. Descriptive analysis was used to explain the characteristics of the respondents and obtained from the tabulation of questionnaires.

Binomial Logistic regression (logit) was in use to seek the determinant factors that influences to the choice of farmers ready implemented waste treatment or not. The logit model is a function of cumulative probability logistic, which is formulated as follows:

Pi=E(Y=1/Xi)=1/1+e(α+βXi).

For ease of exposition, it can be written as

Pi=1/1+ezi,

where Zi = α +βXi

Equation (2) was the cumulative logistic distribution function. In that equation, Zi ranges from - to + , Pi ranges between 0 and 1 and that Pi is non linearity related to Zi (in Xi and the β's).

If Pi is probability of a farmer ready to implementation waste treatment, then (1-Pi) is the probability of waste treatment not ready to implementation where,

1Pi=1/1+ezi.

Therefore, it can be written as:

Pi/1Pi=1+ezi/1+ezi=ezi.

Further Pi/(1-Pi) is the Odds Ratio or the ratio of the probability that a farmer will ready to implementation waste treatment.

In the form the natural log of the Odds Ratio, namely

LnPi1Pi=Zi=α+βXi

(5) e = 2.71828

In the form equation was:

LnPi1Pi=α+B1X1+β2X2+D1+β3X3+β4X4+β5X5

(6)

Pi=11+e(α+B1X1+β2X2+D1+β3X3+β4X4+β5X5)

(7)

where

P = choice farmers to implementation waste treatment

α = intercept

β1 ........β5 = regression coefficient

X1 = age (year)

X2 = formal education (score)

D1 = dummy of non formal education

1 = trainee

0 = not trainee

X3 = experience (year)

X4 = member of household (person)

X5 = goat ownership (goat)

µ = stochastic disturbance term

Because the model was nonlinear, so that the model was tested using Maximum Likelihood Estimation (MLE) test. It means to get the value of Likelihood Ratio Index (LRI) which should be equal to R-squared in OLS regression, Likelihood Ratio (LR) test which should be equal to F-test in OLS regression, and Wald test which should be equal to t-test in OLS regression [9,10].

3. Results and Discussion

Based on the research results, judging from the characteristic of respondents including productive farmers age (48.75 yr) and business experience has been effort hereditary (22.63 yr). The mean level of similar elementary school education (51.00 %) in particular is relating to the low implementation of waste treatment technologies (11.27 %). The average family size was 3.63 ± 1.50 of people. Farmers involved their family members in participating in managing the farm business [11].

Table 1

Characteristics of respondents.


Component value
Age (year) 48.75 ± 10.15
Business experience (year) 22.63 ± 14.43
Formal education (%)
No School 2
Elementary School 51
Junior High Schools 18
High Schools 26
Colleges 3
Family members (person) 3.63 ± 1.50
The main job (%)
government employees 3
private 6
farm workers 11
farmers 80
Non formal education (%)
Feed technology 50
Recording goat 66.68
Waste treatment 29.2
Table 2

Ettawa crossbred goat ownership on farmers.


Type of goat goat Animal Unit Selling price (IDR per goat)
Male goat 1.42 0.94 2 527 500
Parent doe 2.03 0.91 1 519 230
Breastfeeding doe 1.70 0.97 -
Doe 1.70 0.98 -
Young 1.42 0.69 1 920 000
Kids male 1.66 0.77 1 770 000
Kids female 1.79 0.89 1 416 155
Total 4.88 0.55

Table 2 shows the average ownership of 4.88 goats per farmers or 0.55 AU per farmers. The highest of parent doe showed heterogeneity livestock awake. While waiting for a good price for selling, farmers have the opportunity to obtain additional products such as kids and manure. Kids with 3 mo to 4 mo is ready for sale IDR 1 770 000 per goat for males and females IDR 1 416 155 per goat. Utilization of manure for plants was 89.00 % and the remaining 11 % for fertilizer plants and sold. In Kulonprogro potential crops being developed are plantation crop cloves (Syzygium aromaticum (L.) Merrill & Perry), coffee (Coffea L.), tea (Camellia sinensis (L.) Kuntze), and coconut (Cocos nucifera L.). A total of 70.80 % of farmers did not do a manure treatment through fermentation. This concurs with the statement that farmers knowledge on handling and processing of goat manure is still lacking [12]. Farmers do not calculate the intangible benefits of goat manure to provide added value to the family income. In Turi Sleman Regency 10.20 % of farmers had been processing the manure and selling the compost [12]. In this area, the utilization of goat manure is mainly to support fruit production, especially for Salak Pondoh [(Salacca zalacca (Gaertn.) Voss cultivar Pondoh] because these fruits are the main agriculture products which require goat manure as the fertilizer.

Table 3

Binary Logistic Regression for the factors that affect the choice of farmers in implementing waste treatment.


Independent variable Coefficient Std. Error z-Statistic Prob. Odds Ratio
Constanta -5.078 2.417 -2.1001 0.035 160.4523
Age (X1) 0.07 0.039 1.777* 0.075 1.071436
Formal education (X2) 0.025 0.349 0.072 0.942 1.025315
Non formal education (X3) 1.119 0.756 1.481 0.139 3.061789
Experience (X4) -0.003 0.027 -0.984 0.325 1.027368
Number of family (X5) -0.448 0.259 -1.730* 0.084 1.565178
Goat ownership (X6) 0.457 0.179 2.541** 0.011 1.579328
McFadden R-squared 0.16992
LR statistic 13.34666
Note: *** = level significantly 0.01 (P < 0.01)
** = level significantly 0.05 (P < 0.05)
* = level significantly 0.1 (P < 0.1)

The results of the binary logistic regression model analysis showed that goat ownership had a significant positive effect (P < 0.05) to the choice of farmers in implementing waste treatment. The value of the Odds Ratio showed probability goat ownership increased by 1.5778 times higher than in those who did not implement waste treatment. Similarly, a number of family and age significantly (P < 0.10).

4. Conclusion

Based on the results of research on the benefits of understanding farmers goat manure is still lacking. The implication of this research is the need for socialization understanding of the importance of manure treatment to improve the intangible benefits at the household of farmers. Farmers groups should be facilitated to cooperate with the Department of Agriculture or Animal Husbandry, education institutions, and corporate Research and Development of Agriculture. Forms of cooperation include education about processing technology goat manure into compost and liquid fertilizer, livestock procurement assistance, and marketing of fertilizers.

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